FR2162285A1 - - Google Patents

Info

Publication number: FR2162285A1
Authority: FR; France
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.): Granted

Other versions

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.)

Cegelec SA

Delle Alsthom SA

Original Assignee

Cegelec SA

Delle Alsthom SA

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.)

1971-12-09

Filing date

1971-12-09

Publication date

1973-07-20

1971-12-09Application filed by Cegelec SA, Delle Alsthom SAfiledCriticalCegelec SA

1971-12-09Priority to FR7144202ApriorityCriticalpatent/FR2162285B1/fr

1972-11-30Priority to IT3226372Aprioritypatent/IT971355B/en

1972-12-08Priority to SU1869196Aprioritypatent/SU473352A3/en

1972-12-08Priority to JP12260872Aprioritypatent/JPS4865652A/ja

1972-12-08Priority to BR868172Aprioritypatent/BR7208681D0/en

1973-07-20Publication of FR2162285A1publicationCriticalpatent/FR2162285A1/fr

1974-06-07Application grantedgrantedCritical

1974-06-07Publication of FR2162285B1publicationCriticalpatent/FR2162285B1/fr

StatusExpiredlegal-statusCriticalCurrent

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
- F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5158—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and an output member
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7055—Linear output members having more than two chambers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Fluid-Damping Devices (AREA)

FR7144202A1971-12-091971-12-09ExpiredFR2162285B1 (en)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
FR7144202AFR2162285B1 (en)	1971-12-09	1971-12-09
IT3226372AIT971355B (en)	1971-12-09	1972-11-30	OUTPUT ROD JACK
SU1869196ASU473352A3 (en)	1971-12-09	1972-12-08	Double action hydraulic jack
JP12260872AJPS4865652A (en)	1971-12-09	1972-12-08
BR868172ABR7208681D0 (en)	1971-12-09	1972-12-08	A DOUBLE EFFECT MONKEY SET

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7144202AFR2162285B1 (en)	1971-12-09	1971-12-09

Publications (2)

Publication Number	Publication Date
FR2162285A1true FR2162285A1 (en)	1973-07-20
FR2162285B1 FR2162285B1 (en)	1974-06-07

Family

ID=9087195

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7144202AExpiredFR2162285B1 (en)	1971-12-09	1971-12-09

Country Status (5)

Country	Link
JP (1)	JPS4865652A (en)
BR (1)	BR7208681D0 (en)
FR (1)	FR2162285B1 (en)
IT (1)	IT971355B (en)
SU (1)	SU473352A3 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3136223A (en)*	1962-01-09	1964-06-09	Ohio Brass Co	Fluid motor
US3335642A (en)*	1965-01-08	1967-08-15	Borje O Rosaen	Cylinder construction

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4220765Y1 (en)*	1964-10-23	1967-12-02

1971
- 1971-12-09FRFR7144202Apatent/FR2162285B1/frnot_activeExpired
1972
- 1972-11-30ITIT3226372Apatent/IT971355B/enactive
- 1972-12-08JPJP12260872Apatent/JPS4865652A/jaactivePending
- 1972-12-08BRBR868172Apatent/BR7208681D0/enunknown
- 1972-12-08SUSU1869196Apatent/SU473352A3/enactive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3136223A (en)*	1962-01-09	1964-06-09	Ohio Brass Co	Fluid motor
US3335642A (en)*	1965-01-08	1967-08-15	Borje O Rosaen	Cylinder construction

Also Published As

Publication number	Publication date
JPS4865652A (en)	1973-09-10
SU473352A3 (en)	1975-06-05
IT971355B (en)	1974-04-30
BR7208681D0 (en)	1973-09-25
FR2162285B1 (en)	1974-06-07

Publication	Publication Date	Title
AU2691671A (en)	1972-09-28
AU3005371A (en)	1972-12-21
AU2684071A (en)	1972-09-28
AU2742671A (en)	1972-10-12
AU2894671A (en)	1972-11-23
AU2941471A (en)	1972-11-30
AU2952271A (en)	1972-12-07
FR2162285B1 (en)	1974-06-07
AU2875571A (en)	1972-11-16
AU2836771A (en)	1972-11-09
AU2669471A (en)	1972-09-21
AU2907471A (en)	1972-11-23
AU2684171A (en)	1971-07-15
AU2706571A (en)	1971-07-15
AU2724971A (en)	1972-10-05
AU2455871A (en)	1972-07-27
AU2740271A (en)	1972-10-12
AU2755871A (en)	1972-10-19
AU2837671A (en)	1972-11-09
AU2854371A (en)	1972-11-09
AU2885171A (en)	1972-11-16
AU2880771A (en)	1972-11-16
AU3038671A (en)	1973-01-04
AU3025871A (en)	1973-01-04
AU2415871A (en)	1972-07-13

Legal Events

Date	Code	Title	Description
1982-10-15	ST	Notification of lapse

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