CN114076309A - Grill burner and cooking device - Google Patents
Grill burner and cooking deviceDownload PDFInfo
- Publication number
- CN114076309A CN114076309ACN202110530305.3ACN202110530305ACN114076309ACN 114076309 ACN114076309 ACN 114076309ACN 202110530305 ACN202110530305 ACN 202110530305ACN 114076309 ACN114076309 ACN 114076309A
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- China
- Prior art keywords
- surface portion
- inclined surface
- flame
- flame hole
- grill
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/10—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with elongated tubular burner head
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0647—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with gas burners
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0694—Broiling racks
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
- F23D14/583—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details
- F23D14/70—Baffles or like flow-disturbing devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Gas Burners (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
Description
Technical Field
The present invention relates to a grill burner for heating a grill (an oven, a barbecue) storage and a heating cooker including a grill storage in which the grill burner is disposed.
Background
Conventionally, there is a cooking device including a pair of left and right lower burners extending in a front-rear direction on inner lower portions of left and right side walls of a grill storage. In the heating cooker, the cooking object such as meat or fish placed on the grill net is heated and cooked by the combustion exhaust gas (combustion exhaust gas) jetted from the flame holes of the lower flame burners toward the left and right center portions of the grill. In the heating cooker, the secondary air flow regulating plates are provided on the inner surfaces of the left and right side walls of the grill storage. The secondary air flow regulating plate introduces secondary air from the outside of the grill warehouse to the periphery of the flame holes of the respective lower flame burners, and the secondary air flow causes the combustion exhaust gas ejected from the flame holes to be ejected to the space below the grill in the central left and right portions of the grill warehouse (for example, japanese patent laid-open publication No. 2008-57842).
In order to diversify cooking menus and improve cleanability in a grill house, a heating cooker using a grill plate instead of a grill net has been proposed (for example, japanese patent laid-open publication No. 2015-164494). In such a heating cooker, the grill plate is housed so as to cover the lower burner disposed below the grill compartment. Therefore, the lower surface of the object to be cooked, which is placed on the grill plate, is heated mainly by heat transfer from the grill plate, wherein the grill plate is heated by the combustion exhaust gas emitted from the lower fire burner.
However, when the grill plate is used, the space in the grill storage is separated vertically by the grill plate. Therefore, the combustion exhaust gas discharged from the lower fire burner is accumulated in the space below the grill plate, and the combustion exhaust gas is hard to return to the space above the grill plate. As a result, it is difficult to heat the upper and lower surfaces of the object to be cooked in the grill compartment uniformly.
Disclosure of Invention
The invention mainly provides a grill burner capable of uniformly heating the upper and lower surfaces of an object to be cooked in a cooking grill chamber, and a heating cooker provided with the grill burner.
In accordance with an aspect of the present invention,
a grill burner having a flat burner body elongated in the front-rear direction of a grill storage, a gas passage in which a mixed gas of combustion gas and air flows is provided in the burner body,
the burner body comprises: an inner side wall portion serving as a side wall positioned on an inner side of the magazine, and an outer side wall portion serving as a side wall positioned on an outer side of the magazine and opposed to the inner side wall portion at a predetermined position with a gap therebetween,
the inner side wall portion and the outer side wall portion have: a mixing pipe part for supplying the mixed gas; a flame hole portion located above or below the mixing pipe portion and having a ridge portion protruding inward in the longitudinal direction; and a flow regulating part for introducing the mixed gas from the mixing pipe part to the flame hole part,
the inner side wall portion includes: a first inner facing surface portion that forms the flow regulating portion and extends in the vertical direction toward the flame hole portion; a first inclined surface portion inclined inward from the inner first opposing surface portion of the ridge portion constituting the flame hole portion; and a second inclined surface portion which is inclined outward from the first inclined surface portion by the raised strip portion constituting the flame hole portion,
the flame hole portion includes: a plurality of first flame holes formed in a slit shape in the vertical direction on the first inclined surface portion, and a plurality of second flame holes formed in a slit shape in the vertical direction on the second inclined surface portion,
the outer side wall portion includes: an outer first opposing surface portion opposing the inner first opposing surface portion; an outer second facing surface portion facing the raised strip portion and located inward of the outer first facing surface portion; and a step portion extending in the front-rear direction and connecting the outer first facing surface portion and the outer second facing surface portion,
a connecting portion between the outer second facing surface portion and the stepped portion is provided on a downstream side of the gas passage with respect to an upstream-side opening end portion of each of the first flame holes formed in the first inclined surface portion facing the connecting portion.
According to the present invention, it is possible to provide a grill burner and a heating cooker which can heat the upper and lower surfaces of an object to be cooked in a cooking grill compartment more uniformly.
Drawings
Fig. 1 is a schematic perspective view showing an example of a heating cooker according to an embodiment of the present invention.
Fig. 2 is a schematic longitudinal sectional view showing the periphery of a grill warehouse of an example of a heating cooker according to the embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view showing the periphery of a grill warehouse of an example of a heating cooker according to the embodiment of the present invention.
Fig. 4 is a schematic plan view showing an inner side of an example of the underfire burner used in the heating cooker according to the embodiment of the present invention.
Fig. 5 is a schematic plan view showing an outer side of an example of the underfire burner used in the heating cooker according to the embodiment of the present invention.
Fig. 6 is a sectional view taken along line a-a of fig. 4.
Fig. 7 is a perspective view of a main portion around a flame hole portion of an example of a lower flame burner used in a heating cooker according to an embodiment of the present invention.
Fig. 8 is a perspective view of a main portion around a flame hole portion of another example of a lower flame burner used in a heating cooker according to an embodiment of the present invention.
Detailed Description
Hereinafter, a grill burner according to the present embodiment will be described in detail with reference to the drawings, and is applied to a low-fire burner incorporated in a grill of a gas cooktop as an example of a heating cooker.
Fig. 1 is a schematic perspective view showing a gas burner according to the present embodiment. As shown in fig. 1, the heating cooker includes: a plurality of stove burners 1 provided on the upper surface of the top plate 9, and agrill 2 for cooking using agrill plate 80.
As shown in fig. 1 and 2, thegrill 2 is mounted inside theoven body 10. Thegrill 2 includes a rectangular box-shaped grill storage 20 opened at the front, and a grill door 5 for closing the front opening 100 of thegrill storage 20 from the front. Acoupling plate 210 is provided below the rear surface of the grill door 5 so as to extend toward thegrill storage 20, and asupport frame 220 for supporting thegrill plate 80 from below is coupled to thecoupling plate 210. Accordingly, by pulling the grill door 5 forward, thegrill plate 80 is pulled out forward of thegrill storage 20 together with thesupport frame 220, and by pressing the grill door 5 rearward, thegrill plate 80 is accommodated in thegrill storage 20 together with thesupport frame 220. In the present specification, the side on which the grill door 5 is provided is the front side, the direction in which the grill door 5 and the inside of thegrill storage 20 face each other when viewed from the grill door 5 is the front-rear direction, the width direction of thegrill storage 20 is the left-right direction, and the height direction of thegrill storage 20 is the up-down direction.
The operation portion formed on the left side of the grill door 5 is provided with: agrill switch 41 having both the ignition/fire-extinguishing and fire-power adjusting functions of theupper fire burner 56 and thelower fire burner 55, which will be described later; and a bucket-type (kangaroo-type)operating unit 40 thereunder. Theoperation unit 40 is configured to be operable by a user as follows: thefront panel 401 below the operation unit is tilted forward by a user's pressing operation. In addition, when the user closes thefront panel 401, theoperation unit 40 is stored in the ovenmain body 10.
As shown in fig. 2 and 3, awarming burner 56 for heating an object to be cooked from above is provided on theupper wall 24 of thegrill storage 20. Thefiring burner 56 is, for example, a surface combustion type ceramic burner whose lower surface is formed of a ceramic plate. Aflame hole 560 is formed on the lower surface of the plate body. Therefore, when thepilot burner 56 is ignited by supplying the fuel gas and the primary air from the mixing pipe (not shown), a flame of the combustion gas is formed on the lower surface of the plate body, and the radiant heat and the combustion exhaust gas are radiated downward in thegrill storage 20. Although not shown, an electrode portion of an ignition electrode for igniting the fuel gas and a thermocouple for detecting a flame face theflame hole 560 of theupper ignition burner 56.
In the lower region of the left andright side walls grill storage 20,introduction ports flame hole portions 550 of thelower burner 55 from the outside. A pair of left andright underfire burners 55 extending in the front-rear direction along the left andright side walls right side walls grill storage 20. Each of theunderfire burners 55 has a flat, substantially rectangular-shaped burner body 500 that is long in the front-rear direction. Each of theunderfire burners 55 is fixed to the exhaust gasoverflow preventing cover 600 extending outward in the left-right direction from the left andright side walls grill storage 20 in a posture in which the short side thereof is substantially vertically erected. Since the left andright underfire burners 55 have the same configuration except for being bilaterally symmetrical, theright underfire burner 55 will be described as an example of the structure of theunderfire burner 55 and its periphery.
The burnermain body 500 of thedownlight burner 55 is manufactured, for example, as follows: two flat plate-like metal plates that have been punched out into a predetermined shape are subjected to drawing or punching, one of the metal plates is subjected to punching for forming flame holes, and the two metal plates are overlapped with each other at a predetermined position so as to face each other with a gap therebetween, and the peripheral edge portions are welded or caulked to be joined. Therefore, in the present embodiment, when thelower ignition burner 55 is disposed outside theright side wall 22 as shown in fig. 3, one metal plate positioned on the inner side constitutes the innerside wall portion 501 of the burnermain body 500, and the other metal plate positioned on the outer side constitutes the outerside wall portion 502 of the burnermain body 500. Theburner body 500 may be manufactured by bending a single metal plate processed into a predetermined shape into a palm shape along a bending line that is an upper edge or a lower edge of theburner body 500.
As shown in fig. 4 and 6, the innerside wall portion 501 includes: an inner mixing tube facingsurface portion 511 extending from the rear ends of the upper and lower center portions to the front and rear center portions and bulging inward in a substantially semi-cylindrical shape; an inner first facingsurface portion 521 which extends forward from the inner mixing tube facingsurface portion 511 to the vicinity of the front end of the upper and lower center portions and which bulges inward in a substantially triangular shape when viewed from the side; a lower inclined surface portion 531 (first inclined surface portion) inclined obliquely upward and inward from an upper end of the inner side firstopposing surface portion 521; an upper inclined surface portion 532 (second inclined surface portion) inclined obliquely upward and outward from the upper end of the lowerinclined surface portion 531 via theconnection portion 535; and aninner flange 541 extending in the front-rear or vertical direction from the peripheral edges. The lowerinclined surface portion 531 and the upperinclined surface portion 532 are formed with a vertically long slit-like slant lower flame hole 551 (first flame hole) and a slant upper flame hole 552 (second flame hole), which will be described later.
As shown in fig. 5 and 6, the outerside wall portion 502 includes: an outer mixingtube facing surface 512 extending from the rear ends of the upper and lower center portions to the front and rear center portions and bulging outward in a substantially semi-cylindrical shape; an outer first facingsurface portion 522 which extends forward from the outer mixing tube facingsurface portion 512 to the vicinity of the tip of the upper and lower center portions and which bulges outward in a substantially triangular shape when viewed from the side; and anouter flange 542 extending in the front-rear or vertical direction from the peripheral edges.
Therefore, when the innerside wall portion 501 and the outerside wall portion 502 are joined to face each other, the innerside wall portion 501 and the outerside wall portion 502 face each other at the expanded portion with a gap therebetween. Theinner flange 541 and theouter flange 542 are in surface contact with each other except for the expanded portion, and the peripheral edge is closed. Thus, agas inlet 509 opened rearward and amixing pipe portion 510 extending forward from thegas inlet 509 and supplying a mixed gas of the fuel gas flowing in from thegas inlet 509 and the outside air are formed by the inner mixing pipe portion facingsurface portion 511 and the outer mixing pipe portion facingsurface portion 512. Further, the inner first facingsurface 521 and the outer first facingsurface 522 form aflow straightening portion 520 that communicates with the mixingpipe portion 510 and extends forward and upward. Further, aflame hole portion 550 having a lowerinclined surface portion 531 and an upperinclined surface portion 532, located further above than the mixingtube portion 510, and communicating with the rectifyingportion 520 is formed. Thus, in the present embodiment, as shown by the broken line in fig. 5, the upper portion of theouter flange 542 of the outerside wall portion 502 facing the lowerinclined surface portion 531 and the upperinclined surface portion 532 corresponds to the outer side second facingsurface portion 534.
A nozzle (not shown) for supplying fuel gas is inserted into thegas inlet 509. The opening area of thegas introduction port 509 is sufficiently larger than the opening area of the tip opening of the nozzle. Therefore, the primary air, i.e., the outside air, is supplied to the mixingpipe portion 510 together with the fuel gas from the nozzle. When the fuel gas is introduced from thegas introduction port 509, a substantially L-shaped gas passage is defined in theburner body 500, and the mixed gas supplied from thegas introduction port 509 at the rear to the mixingpipe portion 510 is introduced into the upperflame hole portion 550 through theflow straightening portion 520. In the present embodiment, thegas introduction port 509 side corresponds to the upstream side and theflame hole 550 side corresponds to the downstream side in accordance with the flow direction of the mixed gas formed in the gas passage in the burnermain body 500. In theflame hole portion 550 of the present embodiment, the lower side corresponds to the upstream side, and the upper side corresponds to the downstream side.
A lower end closing portion 525 (closing side end portion) constituting an inner first facingsurface 521 and an outer first facingsurface 522 of aflow straightener 520 continuing forward from the mixingpipe portion 510 is provided so as to be inclined upward as it is separated forward from a lower end closing portion at the tip end portion of the mixingpipe portion 510. Further, the lowerend closing portion 525 is bent upward on the front side of the rectifyingportion 520, and is connected to the front end closing portion of the rectifyingportion 520, which is the front end terminal. The tip end closing portion of theflow straightening portion 520 is continuous with the tip end closing portion of theflame hole portion 550.
As shown in fig. 6 and 7, theflame hole portion 550 has a downwardinclined surface portion 531 and an upwardinclined surface portion 532 of the innerside wall portion 501, and a connectingportion 535 connecting these portions is formed by aridge 530 projecting inward and having a substantially horizontal V-shaped cross section in front view. The diagonally downward flame holes 551 and the diagonally upward flame holes 552 open in the lowerinclined surface portion 531 and the upperinclined surface portion 532 at predetermined intervals in the front-rear direction every predetermined number (four holes here), respectively. Further, a predetermined number (here, two holes) offlame holding holes 553 are opened between a group of downward flame holes in which a predetermined number of obliquely downward flame holes 551 are arranged at predetermined intervals in parallel and a group of upward flame holes in which a predetermined number of obliquely upward flame holes 552 are arranged at predetermined intervals in parallel. Further, if the interval between the diagonally downward flame hole group and the diagonally upward flame hole group adjacent in the front-rear direction is close, theflame holding holes 553 may not necessarily be provided. Theflame hole portion 550 is coated with a high-emissivity heat-resistant paint.
The obliquely downward flame holes 551 open from the lowerinclined surface portion 531 to the upperinclined surface portion 532 over theconnection portions 535 in such a manner that the openinglower end portions 551a (upstream side opening end portions) are located at substantially the upper and lower center portions of the lowerinclined surface portion 531 and the openingupper end portions 551b (downstream side opening end portions) are located in the vicinity of the lower end of the upperinclined surface portion 532. On the other hand, the obliquely upward flame holes 552 open from the upperinclined surface portion 532 to the lowerinclined surface portion 531 over theconnection portions 535 in such a manner that the openingupper end portions 552b (downstream side opening end portions) are located at substantially the upper and lower center portions of the upperinclined surface portion 532 and the openinglower end portions 552a (upstream side opening end portions) are located in the vicinity of the upper end of the lowerinclined surface portion 531. The diagonally downward flame holes 551 and the diagonally upward flame holes 552 are arranged in a vertically staggered manner. Further, the openingupper end 551b and the openinglower end 551a of the obliquely downward flame holes 551 are provided so as to be located below the openingupper end 551b and the openinglower end 551a of the obliquely upward flame holes 552, respectively. The diagonally downward flame holes 551 are provided so that the opening width in the front-rear direction around theconnection portion 535 is smaller than the opening width in the front-rear direction of the lowerinclined surface portion 531 other than theconnection portion 535, and the diagonally upward flame holes 552 are provided so that the opening width in the front-rear direction around theconnection portion 535 is smaller than the opening width in the front-rear direction of the upperinclined surface portion 532 other than the connection portion 535 (for example, about 1/4 to 3/4). Theflame holding hole 553 is opened to theridge 530 in a state of passing over theconnection portion 553 such that the opening lower end portion is positioned at the middle portion of the downwardslanting flame hole 551 in the vertical direction and the opening upper end portion is positioned at the middle portion of the upwardslanting flame hole 552 in the vertical direction.
As shown in fig. 6, the outer second facingsurface 534 of the outerside wall portion 502 facing the raisedstrip 530 is located at a position shifted inward from the lower outer first facingsurface 522. Therefore, a steppedportion 544 is formed between the upper end portion of the outwardly bulging outer first facingsurface portion 522 and the lower end portion of the outer second facingsurface portion 534 so as to extend obliquely upward and inward from the upper end portion of the outer first facingsurface portion 522 toward the lower end portion of the outer second facingsurface portion 534 and to connect the outer first facingsurface portion 522 and the outer second facingsurface portion 534. Further, the upper end portion of the outer first opposing surface portion 522 (i.e., the downstream end of the outer first opposing surface portion 522) is located above (i.e., downstream side of the gas passage) the upper end portion of the inner first opposing surface portion 521 (i.e., the downstream end of the inner first opposing surface portion 521) that faces the outer first opposingsurface portion 522. A connecting portion C that is an inflection point connecting a lower end portion of the outer second facing surface portion 534 (i.e., an upstream end of the outer second facing surface portion 534) and an upper end portion of the stepped portion 544 (i.e., a downstream end of the stepped portion 544) is located above (i.e., downstream of) an openinglower end portion 551a of the obliquelydownward flame hole 551. Therefore, the openinglower end 551a of the obliquelydownward flame hole 551 faces thestep portion 544 in a front view cross section.
Returning to fig. 1 to 3, an exhaust gasoverflow preventing cover 600 having a substantially L-shaped cross section in front view is connected to an outer surface of theright side wall 22 of thegrill storage 20 so as to cover theunderfire burners 55 from above and from the right outside. Although not shown, an electrode portion of an ignition electrode for igniting the fuel gas and a thermocouple for detecting flame formed at theflame hole portion 550 face theflame hole portion 550 of thelower burner 55. The down-fire burner 55, the ignition electrode, and the thermocouple are fixed to the exhaust gasspillage prevention cover 600 by a fixing member (not shown).
Anexhaust opening 11 communicating with theexhaust passage 300 is opened at the rear upper portion of thegrill storage 20. Anexhaust duct 30 is connected to therear wall 25 of thegrill storage 20. Theexhaust duct 30 constitutes anexhaust passage 300.
Thegrill plate 80 is made of an aluminum molded body or cast body having excellent thermal conductivity. The upper surface of thegrill plate 80 is subjected to a surface treatment process using a fluororesin or the like. Thegrill plate 80 has a substantially rectangular shape in plan view. Thegrill plate 80 has a concave-convex foodmaterial placing portion 85 on the upper surface thereof. Thegrill plate 80 is provided at both left and right ends thereof withside walls 83 inclined upward obliquely upward and outward from the left and right outer ends of the foodmaterial placement portion 85. The left andright side walls 83 are connected by the front and rear end portions of thegrill plate 80. When thegrill plate 80 is accommodated in thegrill storage 20, thegrill plate 80 is supported from below by thesupport frame 220 so that the left andright side walls 83 face theintroduction ports
As described above, theflame hole portion 550 has theridge portion 530 protruding inward with the long side in the front-rear direction. The lowerinclined surface portions 531 and the upperinclined surface portions 532 constituting the raisedportions 530 respectively have a plurality of downward inclined flame holes 551 and a plurality of upward inclined flame holes 552 which are opened at predetermined intervals in the front-rear direction. Therefore, the mixed gas is ejected slightly downward from the obliquely downward flame holes 551 than the horizontal direction, and the mixed gas is ejected slightly upward from the obliquely upward flame holes 552 than the horizontal direction. Therefore, when thelower fire burner 55 is ignited by spark discharge from an ignition electrode, not shown, the combustion exhaust gas from theflame hole portion 550 is ejected so as to spread upward and downward in the left-right direction of thegrill storage 20 through theintroduction port 202 opened in theright side wall 22 of thegrill storage 20. On the other hand, when theflame hole portion 550 is formed above the mixingtube portion 510 and the combustion exhaust gas is jetted from theflame hole portion 550 toward the inner side of thegrill storage 20, the flow path direction of the mixture gas flowing upward from the rectifyingportion 520 toward theflame hole portion 550 needs to be shifted inward. Therefore, the mixed gas supplied from the rectifyingportion 520 to theflame hole portion 550 easily flows toward the obliquely upward flame holes 552 on the downstream side of the gas passage, but hardly flows toward the obliquely downward flame holes 551 on the upstream side of the gas passage. As a result, the distribution of the mixed gas to the obliquely downward flame holes 551 and the obliquely upward flame holes 552 becomes uneven. Therefore, the combustion distribution in the vertical direction of theflame hole portions 550 becomes uneven, and the combustion exhaust gas discharged from theflame hole portions 550 is difficult to be uniformly divided vertically.
However, according to the present embodiment, the outer second opposingsurface 534 of the outerside wall portion 502 that faces the raisedstrip 530 provided on the innerside wall portion 501 is positioned further inward than the lower outer first opposingsurface 522. A steppedportion 544 extending from an upper end portion of the outer first facingsurface 522 toward a lower end portion of the outer second facingsurface 534 located on the inner side is formed between the outer first facingsurface 522 and the outer second facingsurface 534. Therefore, as shown in fig. 6, when the mixed gas flows from the lowermixing pipe portion 510 to the upperflame hole portion 550 through theflow straightening portion 520, the mixed gas collides with thestep portion 544 and flows inward. Further, according to the present embodiment, since the joint portion C between the outer second facingsurface 534 and the steppedportion 544 is provided above the openinglower end 551a of each of the diagonally downward flame holes 551 opened in the downwardlyinclined surface portion 531 facing the joint portion C, the mixture gas colliding with the steppedportion 544 and having the flow path direction deviated inward is widely distributed and supplied to the diagonally downward flame holes 551 and the diagonally upward flame holes 552. This improves the distribution of the uneven mixture gas to the obliquely downward flame holes 551 and the obliquely upward flame holes 552, and enables theflame hole portion 550 in the vertical direction to have an even combustion distribution, thereby enabling the combustion exhaust gas to be uniformly distributed vertically from theflame hole portion 550 toward the inner side of thegrill magazine 20. Therefore, the branched combustion exhaust gas can be sufficiently spread over both the upper and lower surfaces ofgrill plate 80, and the upper and lower surfaces of the object to be cooked can be heated more uniformly.
Further, when theflame hole portion 550 is provided above the mixingpipe portion 510 and the mixed gas is supplied from the mixingpipe portion 510 to theflame hole portion 550 through the rectifyingportion 520, it is necessary to bias the flow path direction of the mixed gas supplied from the mixingpipe portion 550 to the rectifyingportion 520 substantially linearly in the front-rear direction upward and supply the mixed gas to theflame hole portion 550. Therefore, the mixed gas flowing from theflow straightener 520 to theflame hole 550 is less likely to flow from the rearmixing pipe portion 510 side to theflame hole 550, and is more likely to flow from the tip end closing portion side separated from the mixingpipe portion 550 to theflame hole 550. As a result, the distribution of the mixed gas to the flame holes 550 becomes uneven in the front-rear direction, and the combustion distribution in the flame holes 550 tends to become uneven in the front-rear direction. However, according to the present embodiment, the lowerend closing portion 525 extending in the front-rear direction of the rectifyingportion 520 is inclined so as to approach the upperflame hole portion 550 as it goes away from the mixingpipe portion 510, and therefore the gas passage in the rectifyingportion 520 becomes smaller as it goes away from the mixingpipe portion 510. That is, since the passage area of the gas passage in the rectifyingportion 520 decreases toward the front, the mixed gas can be uniformly supplied in the front-rear direction from theflame hole portion 550, which is upward of the rectifyingportion 520. This allows the combustion exhaust gas to be uniformly discharged from the front end portion to the rear end portion of theflame hole portion 550 toward the inside of thegrill storage 20.
Further, when the obliquely downward flame holes 551 and the obliquely upward flame holes 552 are formed only in the downwardinclined surface portion 531 and the upperinclined surface portion 532, respectively, the flame may rise from theflame hole portion 550 at the initial stage of ignition, causing unstable combustion, and lowering the flame holding performance. In particular, in the present embodiment, since the burnermain body 500 is disposed in the upright state, the burnermain body 500 itself becomes an obstacle wall, and the secondary air from the outside is less likely to be supplied to the obliquely downward flame holes 551 and the obliquely upward flame holes 552, and the flame holding performance is likely to be lowered. However, according to the present embodiment, since the obliquely downward flame holes 551 are formed to the upperinclined surface portion 532 over theconnection portions 535 and the obliquely upward flame holes 552 are formed to the lowerinclined surface portion 531 over theconnection portions 535, flames having different angles from those of the one inclined surface portion are formed in the other inclined surface portion. Therefore, the flame detoured from the connectingportion 535 heats the root portions of the obliquely downward flame holes 551 and the obliquely upward flame holes 552, and the combustion speed of the mixture gas in the heated portion is increased, thereby enhancing the inflammation. Further, when the temperature of theexhaust passage 300 is increased by heating thelower flame burner 55 to generate an air flow (draft) phenomenon, the secondary air is supplied to theflame hole portion 550, so that a good flame holding state can be maintained and the flame holding property can be improved.
In addition, according to the present embodiment, the opening widths of the peripheries of theconnection portions 535 of the diagonally downward flame holes 551 and the diagonally upward flame holes 552 are respectively narrower in the front-rear direction than other portions of each flame hole (opening portions that open at the downwardinclined surface portions 531 or the upper inclined surface portions 532). Therefore, the mixed gas jetted substantially linearly from the periphery of theconnection portion 535 toward the inner side of thegrill chamber 20 is less than the mixed gas jetted from the other portion of each flame hole toward the inner side of thegrill chamber 20. This ensures high flame holding performance, and allows the combustion exhaust gas discharged from the obliquely downward flame holes 551 and the combustion exhaust gas discharged from the obliquely upward flame holes 552 to be uniformly divided vertically. In addition, according to the present embodiment, since the diagonally downward flame holes 551 and the diagonally upward flame holes 552 adjacent to each other in the front-rear direction are formed such that the flames formed in the vicinity of the openingupper end 551b of the diagonally downward flame holes 551 and the flames formed in the vicinity of the openinglower end 552a of the diagonally upward flame holes 552 overlap each other when viewed from the front, the flame ductility is also excellent. Further, the diagonally downward flame holes 551 and the diagonally upward flame holes 552 may have a narrow opening width in only a part of the opening of theconnection portion 535.
Fig. 8 is a perspective view of a main portion around a flame hole portion of another example of the lower flame burner according to the present embodiment. As shown in fig. 8, the burner for downignition has the same structure as that of the burner for downignition described above, except for the following structure: theridge portion 5530 constituting theflame hole portion 5500 has a substantially planar connectingportion 5535 extending in the front-rear direction between the lowerinclined surface portion 5531 and the upperinclined surface portion 5532, and the connectingportion 5535 has an inclination angle different from the inclination angle of the lowerinclined surface portion 5531 and the inclination angle of the upperinclined surface portion 5532; an opening upper end portion (downstream side opening end portion) 5501b of the diagonallydownward flame hole 5501 is located in a lower region than the upper and lower center portions of the connectingportion 5535; and an opening lower end portion (upstream side opening end portion) 5502a of the obliquelyupward flame hole 5502 is located in a region above the upper and lower center portions of the connectingportion 5535.
When the lowerinclined surface portion 5531 and the upperinclined surface portion 5532 are connected by the substantially planar connectingportion 5535 and the flame hole is formed in the substantially planar connectingportion 5535, the combustion exhaust gas is substantially linearly discharged from the flame hole opened in the connectingportion 5535. Therefore, when thegrill plate 80 is disposed in thegrill storage 20, the exhaust combustion gas jetted from the flame holes of theconnection portion 5535 mainly heats theside wall 83 of thegrill plate 80, and the exhaust combustion gas is hardly branched to the upper and lower surfaces of thegrill plate 80. However, according to the lower flame burner described above, the openupper end portion 5501b of the diagonallylower flame hole 5501 and the openlower end portion 5502a of the diagonallyupper flame hole 5502 are located at the substantially planar connectingportion 5535, respectively, but the openupper end portion 5501b of the diagonally lower flame hole 5510 and the openlower end portion 5502a of the diagonallyupper flame hole 5502 are separated so as not to overlap in the up-down direction. Therefore, the amount of the mixed gas that is substantially linearly jetted from each of the flame holes opened in theconnection portion 5535 toward the inside of thegrill storage 2 can be reduced. Accordingly, the combustion exhaust gas jetted substantially linearly from theflame hole portions 5500 toward the inside of thegrill chamber 20 is reduced, and the combustion exhaust gas jetted from the obliquelydownward flame holes 5501 and the combustion exhaust gas jetted from the obliquelyupward flame holes 5502 can be uniformly divided vertically. Further, in theconnection portion 5535, the openupper end portion 5501b of the obliquelydownward flame hole 5501 and the openlower end portion 5502a of the obliquelyupward flame hole 5502 are separated in the vertical direction, but in this lower burner, the obliquelydownward flame hole 5501 is formed from the lowerinclined surface portion 5531 to theconnection portion 5535, and the obliquelyupward flame hole 5502 is formed from the upperinclined surface portion 5532 to theconnection portion 5535. Therefore, flames having different angles from those of the flames formed in the respective inclined surface portions are formed in the connectingportion 5535, and the flames formed by the detouring from the connectingportion 5535 heat the base portions of the obliquelydownward flame holes 5501 and the base portions of the obliquely upward flame holes 5502. As a result, the combustion rate of the heated portion of the mixed gas increases, and inflammation can be enhanced. In the lower flame burner, at least the opening width of each flame hole of theconnection portion 5535 in the front-rear direction is formed to be narrower than the other portions. This makes it possible to uniformly divide the combustion exhaust gas vertically while ensuring high flame holding performance.
As described above, according to the present embodiment, it is possible to provide a grill burner and a heating cooker which can heat and cook the upper and lower surfaces of the object to be cooked in thegrill storage 20 in a balanced manner.
(other embodiments)
(1) In the above embodiment, the underfire burners are disposed outside the side walls of the grill. However, the downfire burners may be integrally provided to the side walls of the grill stocker. In addition, the lower fire burner may be arranged in the grill storage corresponding to the size of the grill storage and the grill plate. In addition, a cooking container other than a grill plate may be used, and a grill may be used.
(2) In the above embodiment, the lower flame burner is disposed such that the mixing pipe portion is located downward and the flame hole portion is located upward. However, the lower fire burner may be turned upside down so that the mixing pipe portion is located above and the flame hole portion is located below, corresponding to the structure of the grill house and the lower fire burner. In this case, the upper inclined surface portion inclined obliquely downward and inward from the rectifying portion constitutes the first inclined surface portion, and the lower inclined surface portion inclined obliquely downward and outward from the upper inclined surface portion constitutes the second inclined surface portion. Therefore, the connecting portion between the outer second facing surface portion and the stepped portion is provided so as to be located below (i.e., on the downstream side of the gas passage) the upstream-side opening end portion of each first flame hole that is provided in the first inclined surface portion facing the connecting portion. In the vertically inverted lower burner, the obliquely upward flame holes form first flame holes, the obliquely downward flame holes form second flame holes, and the open upper end and the open lower end of each flame hole form an upstream-side open end and a downstream-side open end, respectively.
The above description has been made in detail, but the summary of the present invention is as follows.
In accordance with an aspect of the present invention,
a grill burner having a flat burner body elongated in the front-rear direction of a grill storage, a gas passage through which a mixed gas of a combustion gas and air flows inside the burner body,
the burner body comprises: an inner side wall portion serving as a side wall positioned on an inner side of the magazine, and an outer side wall portion serving as a side wall positioned on an outer side of the magazine and opposed to the inner side wall portion at a predetermined position with a gap therebetween,
the inner side wall portion and the outer side wall portion have: a mixing pipe part for supplying the mixed gas; a flame hole portion located above or below the mixing pipe portion and having a ridge portion protruding inward in the longitudinal direction; and a flow regulating part for introducing the mixed gas from the mixing pipe part to the flame hole part,
the inner side wall portion includes: a first inner facing surface portion that forms the flow regulating portion and extends in the vertical direction toward the flame hole portion; a first inclined surface portion inclined inward from the inner first opposing surface portion of the ridge portion constituting the flame hole portion; and a second inclined surface portion which is inclined outward from the first inclined surface portion by the raised strip portion constituting the flame hole portion,
the flame hole portion includes: a plurality of first flame holes formed in a slit shape in the vertical direction on the first inclined surface portion, and a plurality of second flame holes formed in a slit shape in the vertical direction on the second inclined surface portion,
the outer side wall portion includes: an outer first opposing surface portion opposing the inner first opposing surface portion; an outer second facing surface portion facing the raised strip portion and located inward of the outer first facing surface portion; and a step portion extending in the front-rear direction and connecting the outer first facing surface portion and the outer second facing surface portion,
the connecting portion between the outer second facing surface portion and the stepped portion is provided with: the upstream-side opening end of each of the first flame holes opened in the first inclined surface portion facing the connection portion is located on the downstream side of the gas passage.
According to the grill burner, the flame hole portion has the ridge portion that protrudes inward with the long side in the front-rear direction, and the first inclined surface portion and the second inclined surface portion that constitute the ridge portion have the plurality of first flame holes and the plurality of second flame holes, respectively, so that the combustion exhaust gas that is branched vertically is ejected from the first flame holes and the second flame holes. On the other hand, the grill burner has a flame hole portion above or below the mixing pipe portion. Therefore, when the combustion exhaust gas is ejected from the flame hole portion toward the inner side of the grill compartment via the rectifying portion, it is necessary to deflect the flow path direction of the mixture gas flowing in the vertical direction from the rectifying portion toward the flame hole portion toward the inner side. Therefore, the mixed gas supplied from the flow straightening portion to the flame hole portion easily flows toward the second flame hole on the downstream side of the gas passage, but hardly flows toward the first flame hole on the upstream side of the gas passage. As a result, the distribution of the mixture gas to the first flame holes and the second flame holes becomes uneven, the combustion distribution in the flame hole portions in the vertical direction becomes uneven, and the combustion exhaust gas discharged from the flame hole portions is difficult to be uniformly divided vertically.
However, according to the grill burner, the burner body has the inner side wall portion and the outer side wall portion, and the second outward facing surface portion of the outer side wall portion facing the ridge portion is located further inward than the first outward facing surface portion located on the upstream side. Further, a stepped portion extending from a downstream end portion of the outer first facing surface portion toward an upstream end portion of the outer second facing surface portion located on the inner side is formed between the outer first facing surface portion and the outer second facing surface portion. Therefore, when the mixed gas flows from the upstream-side mixing pipe portion to the flame hole portion via the flow straightening portion, the mixed gas collides with the stepped portion and flows inward. Further, according to the grill burner, since the connecting portion C between the second outward facing surface portion and the stepped portion is provided on the downstream side of the upstream-side opening end portion of each of the first flame holes provided on the first inclined surface portion facing the connecting portion, the mixture gas which collides with the stepped portion and whose flow path direction is deviated inward is widely distributed and supplied to the first flame holes and the second flame holes. As a result, the uneven distribution of the mixture gas to the first flame holes and the second flame holes is improved, and a uniform combustion distribution is formed in the flame hole portion in the vertical direction. Thus, the combustion exhaust gas can be uniformly distributed from the flame hole portion toward the inner side of the grill storage, and the upper and lower surfaces of the object to be cooked in the cooking grill storage can be heated more uniformly.
Preferably, in the above-described grill burner,
the rectifying portion has a closed-side end portion extending in the front-rear direction,
the closed end portion is inclined so as to approach the flame hole portion as being distant from the mixing pipe portion.
When the mixed gas is supplied from the mixing pipe portion to the flame hole portion via the rectifying portion, it is necessary to vertically deflect the flow path direction of the mixed gas supplied from the mixing pipe portion to the rectifying portion and supply the mixed gas to the flame hole portion. Therefore, the mixed gas from the flow straightening portion to the flame hole portion decreases toward the mixing pipe portion in the front-rear direction, and increases toward the side apart from the mixing pipe portion in the front-rear direction. As a result, the distribution of the mixed gas to the flame hole portions becomes uneven in the front-rear direction, and the combustion distribution in the flame hole portions tends to become uneven in the front-rear direction. However, according to the grill burner described above, the closed-side end portion extending in the front-rear direction of the rectifying portion is inclined so as to approach the flame hole portion as being distant from the mixing tube portion, and therefore the passage area of the gas passage in the rectifying portion becomes smaller as being distant from the mixing tube portion. Thus, the mixed gas can be uniformly supplied from the rectifying portion to the flame hole portion in the front-rear direction, and the combustion exhaust gas can be uniformly discharged from the front end portion to the rear end portion of the flame hole portion toward the inner side of the grill storage.
Preferably, in the above-described grill burner,
the first inclined surface portion and the second inclined surface portion are connected via a connecting portion,
each of the first flame holes is opened from the first inclined surface portion to the second inclined surface portion over the connection portion such that the downstream-side opening end portion of each of the first flame holes is positioned at the second inclined surface portion,
each of the second flame holes is opened from the second inclined surface portion to the first inclined surface portion over the connection portion such that an upstream-side opening end portion of each of the second flame holes is positioned at the first inclined surface portion,
the upstream-side opening end of each first flame hole is positioned upstream of the gas passage with respect to the upstream-side opening end of each second flame hole,
the downstream-side opening end of each first flame hole is located upstream of the gas passage with respect to the downstream-side opening end of each second flame hole.
When the first flame holes and the second flame holes are formed only in the first inclined surface portion and the second inclined surface portion, respectively, the flame easily floats from the flame hole portion at the initial stage of ignition. Therefore, unstable combustion may occur, and the flame holding property may be lowered. However, according to the grill burner described above, the first flame holes are formed from the first inclined surface portion to the second inclined surface portion over the connection portion, and the second flame holes are formed from the second inclined surface portion to the first inclined surface portion over the connection portion, so that the root portions of the first flame holes and the root portions of the second flame holes are warmed by flames formed by detouring from the connection portion. Therefore, the combustion speed of the heated portion of the mixture gas is increased, and the inflammation of the flame to the first flame hole and the second flame hole can be improved. Further, when the grill burner is heated and the temperature of the exhaust passage of the grill is increased to generate an air flow (draft), the secondary air is supplied to the flame hole portion, so that a good flame holding state can be maintained and the flame holding performance can be improved.
Preferably, in the above-described grill burner,
the first inclined surface portion and the second inclined surface portion are connected via a connecting portion,
the connecting portion has an inclination angle different from an inclination angle of the first inclined surface portion and an inclination angle of the second inclined surface portion so as to form a substantially flat surface extending in a front-rear direction,
the first flame hole is opened from the first inclined surface portion to the connection portion such that a downstream-side opening end portion of the first flame hole is positioned at the connection portion,
the second flame holes are opened from the second inclined surface portion to the connection portion such that the upstream-side opening end portions of the second flame holes are positioned closer to the second inclined surface portion side than the downstream-side opening end portions of the first flame holes in the connection portion.
According to the grill burner described above, the first flame holes are formed from the first inclined surface portion to the connection portion, and the second flame holes are formed from the second inclined surface portion to the connection portion, so the root portions of the first flame holes and the root portions of the second flame holes are heated by flames formed by detouring from the connection portion. Therefore, the combustion speed of the heated portion of the mixture gas is increased, and the inflammation of the flame to the first flame hole and the second flame hole can be improved. Further, when the grill burner is heated and the temperature of the exhaust passage of the grill is increased to generate an air flow (draft), the secondary air is supplied to the flame hole portion, so that a good flame holding state can be maintained and the flame holding performance can be improved. On the other hand, when the first inclined surface portion and the second inclined surface portion are connected by a substantially planar connecting portion and the flame hole is formed in the substantially planar connecting portion, the combustion exhaust gas is substantially linearly ejected from the flame hole formed in the connecting portion. Therefore, when the grill plate is disposed in the grill compartment, the combustion exhaust gas jetted from the flame holes of the connecting portion mainly heats the side wall of the grill plate, and the combustion exhaust gas is difficult to be branched to the upper and lower surfaces of the grill plate. However, according to the grill burner described above, the downstream-side open end of the first flame hole and the upstream-side open end of the second flame hole are located at the substantially planar connecting portions, respectively, but the downstream-side open end of the first flame hole and the upstream-side open end of the second flame hole are separated in the up-down direction. Therefore, the combustion exhaust gas discharged from the connection portion substantially linearly toward the inner side of the grill storage can be reduced. This allows the combustion exhaust gas discharged from the first flame holes and the combustion exhaust gas discharged from the second flame holes to be divided vertically and uniformly.
Preferably, in the above-described grill burner,
each of the first flame holes is formed so that at least the opening width in the front-rear direction of the connecting portion is narrower than the opening width in the front-rear direction of the other portion,
each of the second flame holes is formed so that at least the opening width of the connecting portion in the front-rear direction is narrower than the opening width of the other portion in the front-rear direction,
according to the grill burner, since the opening width in the front-rear direction of at least the connecting portion of the first flame hole and the second flame hole is narrower than the other portion of each flame hole, the combustion exhaust gas jetted from the connecting portion toward the inner side of the grill compartment becomes smaller than the combustion exhaust gas jetted from the other portion toward the inner side of the grill compartment. Thus, the combustion exhaust gas discharged from the first flame holes and the combustion exhaust gas discharged from the second flame holes can be uniformly divided vertically while ensuring high flame holding performance.
In accordance with a further aspect of the present invention,
a cooking device equipped with the grill burner is provided.
According to the grill burner, the combustion exhaust gas jetted from the flame hole portion toward the inner side of the grill compartment can be uniformly divided vertically, and thus the grill compartment can be uniformly heated vertically.
Claims (6)
1. A grill burner is characterized in that,
a flat burner main body which is long in the front-rear direction of the grill storage and has a gas passage in which a mixed gas of combustion gas and air flows,
the burner body has: an inner side wall portion serving as a side wall positioned on an inner side of the grill storage, and an outer side wall portion serving as a side wall positioned on an outer side of the grill storage and opposed to the inner side wall portion at a predetermined position with a gap therebetween,
the inner side wall portion and the outer side wall portion have formed thereon: a mixing pipe part for supplying the mixed gas; a flame hole portion located above or below the mixing pipe portion and having a ridge portion protruding inward in the longitudinal direction; and a flow straightening part for introducing the mixed gas from the mixing pipe part to the flame hole part,
the inner side wall portion has: a first inward facing surface portion that forms the flow regulating portion and extends in the vertical direction toward the flame hole portion; a first inclined surface portion inclined inward from the inner first opposing surface portion of the ridge portion constituting the flame hole portion; and a second inclined surface portion inclined outward from the first inclined surface portion by the raised strip portion constituting the flame hole portion,
the flame hole portion has: a plurality of first flame holes having a slit shape are formed in the first inclined surface portion in the vertical direction, and a plurality of second flame holes having a slit shape are formed in the second inclined surface portion in the vertical direction,
the outer side wall portion has: an outer first opposing surface portion opposing the inner first opposing surface portion; an outer second facing surface portion facing the raised strip portion and located inward of the outer first facing surface portion; and a stepped portion extending in the front-rear direction and connecting the outer first facing surface and the outer second facing surface,
a connecting portion between the outer second facing surface portion and the stepped portion is provided so as to be located on a downstream side of the gas passage with respect to an upstream-side opening end portion of each of the first flame holes opened in the first inclined surface portion facing the connecting portion.
2. The grill burner of claim 1,
the rectifying portion has a closed-side end portion extending in the front-rear direction,
the closed-side end portion is inclined so as to approach the flame hole portion as being distant from the mixing pipe portion.
3. The grill burner of claim 1,
the first inclined surface portion and the second inclined surface portion are connected via a connecting portion,
each of the first flame holes is opened from the first inclined surface portion to the second inclined surface portion over the connection portion such that the downstream-side opening end portion of each of the first flame holes is positioned at the second inclined surface portion,
each of the second flame holes is opened from the second inclined surface portion to the first inclined surface portion over the connection portion such that an upstream-side opening end portion of each of the second flame holes is positioned at the first inclined surface portion,
the upstream-side opening end of each first flame hole is located upstream of the gas passage with respect to the upstream-side opening end of each second flame hole,
the downstream-side opening end of each first flame hole is located upstream of the gas passage with respect to the downstream-side opening end of each second flame hole.
4. The grill burner of claim 1,
the first inclined surface portion and the second inclined surface portion are connected via a connecting portion.
The connecting portion has an inclination angle different from an inclination angle of the first inclined surface portion and an inclination angle of the second inclined surface portion so as to form a substantially flat surface extending in a front-rear direction,
the first flame hole is opened from the first inclined surface portion to the connection portion such that a downstream side opening end portion of the first flame hole is positioned at the connection portion,
the second flame holes are opened from the second inclined surface portion to the connection portion such that an upstream-side opening end portion of the second flame hole is positioned closer to the second inclined surface portion side than the downstream-side opening end portion of each of the first flame holes of the connection portion.
5. The grill burner of claim 3 or 4,
each of the first flame holes is formed such that at least an opening width in a front-rear direction of the connecting portion is narrower than an opening width in a front-rear direction of the other portion,
each of the second flame holes is formed such that at least an opening width in the front-rear direction of the connecting portion is narrower than an opening width in the front-rear direction of the other portion.
6. A heating cooker is characterized in that,
the grill storage provided with the grill burner according to claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020137328AJP7526612B2 (en) | 2020-08-17 | 2020-08-17 | Grill burners and cooking appliances |
| JP2020-137328 | 2020-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114076309Atrue CN114076309A (en) | 2022-02-22 |
Family
ID=80283076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110530305.3APendingCN114076309A (en) | 2020-08-17 | 2021-05-14 | Grill burner and cooking device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7526612B2 (en) |
| CN (1) | CN114076309A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116076923A (en)* | 2023-03-28 | 2023-05-09 | 芜湖美的智能厨电制造有限公司 | Ovens and Ovens |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4586187B2 (en) | 2001-06-25 | 2010-11-24 | パロマ工業株式会社 | Gas burner |
| JP6709665B2 (en) | 2016-04-12 | 2020-06-17 | リンナイ株式会社 | grill |
- 2020
- 2020-08-17JPJP2020137328Apatent/JP7526612B2/enactiveActive
- 2021
- 2021-05-14CNCN202110530305.3Apatent/CN114076309A/enactivePending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116076923A (en)* | 2023-03-28 | 2023-05-09 | 芜湖美的智能厨电制造有限公司 | Ovens and Ovens |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022033441A (en) | 2022-03-02 |
| JP7526612B2 (en) | 2024-08-01 |
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