EP2948726A4 - Heat exchanger having a compact design - Google Patents

Heat exchanger having a compact design

Info

Publication number: EP2948726A4
Authority: EP; European Patent Office
Prior art keywords: heat exchanger; compact design; compact; design; exchanger
Prior art date: 2013-01-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Other versions

Inventor

Andrew R Hodsdon

Christopher J Holiday

Bertram L Walters

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Laars Heating Systems Co

Original Assignee

Laars Heating Systems Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2013-01-25

Filing date

2014-01-23

Publication date

2016-12-07

2014-01-23Application filed by Laars Heating Systems CofiledCriticalLaars Heating Systems Co

2015-12-02Publication of EP2948726A2publicationCriticalpatent/EP2948726A2/en

2016-12-07Publication of EP2948726A4publicationCriticalpatent/EP2948726A4/en

StatusWithdrawnlegal-statusCriticalCurrent

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/0005—Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems
- F28D21/0007—Water heaters
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
- F28D7/1676—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube with particular pattern of flow of the heat exchange media, e.g. change of flow direction
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/006—Tubular elements; Assemblies of tubular elements with variable shape, e.g. with modified tube ends, with different geometrical features
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
- F24D2200/18—Flue gas recuperation
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/34—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side
- F24H1/36—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side the water chamber including one or more fire tubes
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/067—Details
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/086—Heat exchange elements made from metals or metal alloys from titanium or titanium alloys
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
- F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Geometry (AREA)
Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

EP14742909.6A2013-01-252014-01-23Heat exchanger having a compact designWithdrawnEP2948726A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US201361756784P	2013-01-25	2013-01-25
PCT/US2014/012706WO2014116805A2 (en)	2013-01-25	2014-01-23	Heat exchanger having a compact design

Publications (2)

Publication Number	Publication Date
EP2948726A2 EP2948726A2 (en)	2015-12-02
EP2948726A4true EP2948726A4 (en)	2016-12-07

Family

ID=51228188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14742909.6AWithdrawnEP2948726A4 (en)	2013-01-25	2014-01-23	Heat exchanger having a compact design

Country Status (4)

Country	Link
US (1)	US20150323265A1 (en)
EP (1)	EP2948726A4 (en)
CA (1)	CA2899275A1 (en)
WO (1)	WO2014116805A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20190078772A1 (en)*	2015-11-20	2019-03-14	Laars Heating Stystems Company	Heat exchanger for heating water
US10458677B2 (en)*	2015-12-11	2019-10-29	Lochinvar, Llc	Heat exchanger with dual concentric tube rings
CN106885373A (en)*	2016-05-24	2017-06-23	无锡市金城环保炊具设备有限公司	A kind of energy-saving gas burning fire tube technology
US20170356674A1 (en)*	2016-06-13	2017-12-14	Laars Heating Systems Company	Water management header for a boiler or water heater
CN106595056B (en)*	2017-01-27	2023-01-24	黄婉平	Heat exchanger applied to gas heating water heater or gas water heater
US10428713B2 (en)	2017-09-07	2019-10-01	Denso International America, Inc.	Systems and methods for exhaust heat recovery and heat storage
US10801748B2 (en)*	2017-12-28	2020-10-13	Rheem Manufacturing Company	Water heater with top water outlet
WO2021076087A2 (en)*	2019-10-18	2021-04-22	Gron Isitma Soğutma Li̇mi̇ted Şi̇rketi̇	A heat exchanger collector configuration

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1367549A (en)*	1963-05-24	1964-07-24		Tube bundle boiler forming a combustion chamber, particularly suitable for heating liquids
US4175308A (en)*	1975-03-19	1979-11-27	Akira Togashi	Gathering the ends of heat-conducting pipes in heat exchangers
EP0037333A1 (en)*	1980-03-27	1981-10-07	PAQUET THERMIQUE Société Anonyme dite	Gas heater with closed combustion circuit
EP1050721A1 (en)*	1999-05-04	2000-11-08	Guillot Industrie	Heat exchanger for a water heater
US20110203781A1 (en)*	2010-02-25	2011-08-25	Harsco Corporation	Multiple-ring heat exchanger

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US1708229A (en)*	1919-02-19	1929-04-09	Harold B Mcclellon	Boiler
US1948550A (en)*	1932-07-23	1934-02-27	Joseph T Voorheis	Oil heater
US3616849A (en)*	1970-02-24	1971-11-02	Johannes C Dijt	Heat exchange means
JPS5237662U (en)*	1975-09-10	1977-03-17
US4660632A (en)*	1984-08-30	1987-04-28	Ga Technologies Inc.	Heat exchanger
US5150520A (en)*	1989-12-14	1992-09-29	The Allen Group Inc.	Heat exchanger and method of assembly thereof
JP2796419B2 (en)*	1990-10-19	1998-09-10	株式会社日立製作所	Electronic control fuel injection device
FR2986608B1 (en)*	2012-02-03	2018-09-07	Valeo Systemes De Controle Moteur	THERMAL EXCHANGER, IN PARTICULAR FOR A VEHICLE COMPRISING A THERMAL ENGINE

2014
- 2014-01-23EPEP14742909.6Apatent/EP2948726A4/ennot_activeWithdrawn
- 2014-01-23CACA2899275Apatent/CA2899275A1/ennot_activeAbandoned
- 2014-01-23WOPCT/US2014/012706patent/WO2014116805A2/enactiveApplication Filing
- 2014-01-23USUS14/762,952patent/US20150323265A1/ennot_activeAbandoned

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1367549A (en)*	1963-05-24	1964-07-24		Tube bundle boiler forming a combustion chamber, particularly suitable for heating liquids
US4175308A (en)*	1975-03-19	1979-11-27	Akira Togashi	Gathering the ends of heat-conducting pipes in heat exchangers
EP0037333A1 (en)*	1980-03-27	1981-10-07	PAQUET THERMIQUE Société Anonyme dite	Gas heater with closed combustion circuit
EP1050721A1 (en)*	1999-05-04	2000-11-08	Guillot Industrie	Heat exchanger for a water heater
US20110203781A1 (en)*	2010-02-25	2011-08-25	Harsco Corporation	Multiple-ring heat exchanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references ofWO2014116805A2*

Also Published As

Publication number	Publication date
WO2014116805A2 (en)	2014-07-31
WO2014116805A3 (en)	2014-10-02
CA2899275A1 (en)	2014-07-31
US20150323265A1 (en)	2015-11-12
EP2948726A2 (en)	2015-12-02

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Legal Events

Date	Code	Title	Description
2015-11-04	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text:ORIGINAL CODE: 0009012
2015-12-02	17P	Request for examination filed	Effective date:20150819
2015-12-02	AK	Designated contracting states	Kind code of ref document:A2 Designated state(s):AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2015-12-02	AX	Request for extension of the european patent	Extension state:BA ME
2016-05-04	DAX	Request for extension of the european patent (deleted)
2016-08-31	RIC1	Information provided on ipc code assigned before grant	Ipc:F28F 1/00 20060101ALI20160728BHEP Ipc:F24H 1/40 20060101ALI20160728BHEP Ipc:F28F 9/22 20060101AFI20160728BHEP Ipc:F28D 21/00 20060101ALI20160728BHEP
2016-12-07	A4	Supplementary search report drawn up and despatched	Effective date:20161109
2016-12-07	RIC1	Information provided on ipc code assigned before grant	Ipc:F24H 1/40 20060101ALI20161103BHEP Ipc:F28D 21/00 20060101ALI20161103BHEP Ipc:F28F 9/22 20060101AFI20161103BHEP Ipc:F28F 1/00 20060101ALI20161103BHEP
2017-12-27	17Q	First examination report despatched	Effective date:20171122
2019-12-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text:STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2020-01-01	18D	Application deemed to be withdrawn	Effective date:20190801

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