FR2661458B1 - CONTROL CIRCUIT FOR A DOUBLE ACTING HYDRAULIC CYLINDER AND DRAWER FOR SUCH A CIRCUIT. - Google Patents

CONTROL CIRCUIT FOR A DOUBLE ACTING HYDRAULIC CYLINDER AND DRAWER FOR SUCH A CIRCUIT.

Info

Publication number
FR2661458B1
FR2661458B1 FR9005364A FR9005364A FR2661458B1 FR 2661458 B1 FR2661458 B1 FR 2661458B1 FR 9005364 A FR9005364 A FR 9005364A FR 9005364 A FR9005364 A FR 9005364A FR 2661458 B1 FR2661458 B1 FR 2661458B1
Authority
FR
France
Prior art keywords
circuit
drawer
hydraulic cylinder
double acting
acting hydraulic
Prior art date
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.)
Expired - Lifetime
Application number
FR9005364A
Other languages
French (fr)
Other versions
FR2661458A1 (en
Inventor
Lebret Pierre
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.)
Bendix Europe Services Techniques SA
Original Assignee
Bendix Europe Services Techniques 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.)
Filing date
Publication date
Application filed by Bendix Europe Services Techniques SA filed Critical Bendix Europe Services Techniques SA
Priority to FR9005364A priority Critical patent/FR2661458B1/en
Priority to EP19910400741 priority patent/EP0454510B1/en
Priority to DE1991602342 priority patent/DE69102342T2/en
Priority to ES91400741T priority patent/ES2054457T3/en
Priority to JP3122804A priority patent/JPH04228903A/en
Publication of FR2661458A1 publication Critical patent/FR2661458A1/en
Application granted granted Critical
Publication of FR2661458B1 publication Critical patent/FR2661458B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20538Type of pump constant capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40553Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40561Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged upstream of the flow control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518Pressure 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
    • F15B2211/50527Pressure 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 using cross-pressure relief valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/5154Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5158Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and an output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/52Pressure control characterised by the type of actuation
    • F15B2211/526Pressure control characterised by the type of actuation electrically or electronically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6653Pressure control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6654Flow rate control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051Linear output members
    • F15B2211/7053Double-acting output members
    • F15B2211/7054Having equal piston areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
FR9005364A 1990-04-27 1990-04-27 CONTROL CIRCUIT FOR A DOUBLE ACTING HYDRAULIC CYLINDER AND DRAWER FOR SUCH A CIRCUIT. Expired - Lifetime FR2661458B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9005364A FR2661458B1 (en) 1990-04-27 1990-04-27 CONTROL CIRCUIT FOR A DOUBLE ACTING HYDRAULIC CYLINDER AND DRAWER FOR SUCH A CIRCUIT.
EP19910400741 EP0454510B1 (en) 1990-04-27 1991-03-20 Control circuit for a hydraulic double acting cylinder and spool valve for such a circuit
DE1991602342 DE69102342T2 (en) 1990-04-27 1991-03-20 Control circuit for a hydraulic, double-acting cylinder and a slide valve for such a circuit.
ES91400741T ES2054457T3 (en) 1990-04-27 1991-03-20 CONTROL CIRCUIT OF A DOUBLE ACTING HYDRAULIC JACK AND DISTRIBUTOR WITH SLIDER FOR SUCH CIRCUIT.
JP3122804A JPH04228903A (en) 1990-04-27 1991-04-26 Control circuit for double acting type fluid jack and sliding distributor for said circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9005364A FR2661458B1 (en) 1990-04-27 1990-04-27 CONTROL CIRCUIT FOR A DOUBLE ACTING HYDRAULIC CYLINDER AND DRAWER FOR SUCH A CIRCUIT.

Publications (2)

Publication Number Publication Date
FR2661458A1 FR2661458A1 (en) 1991-10-31
FR2661458B1 true FR2661458B1 (en) 1992-07-03

Family

ID=9396141

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9005364A Expired - Lifetime FR2661458B1 (en) 1990-04-27 1990-04-27 CONTROL CIRCUIT FOR A DOUBLE ACTING HYDRAULIC CYLINDER AND DRAWER FOR SUCH A CIRCUIT.

Country Status (5)

Country Link
EP (1) EP0454510B1 (en)
JP (1) JPH04228903A (en)
DE (1) DE69102342T2 (en)
ES (1) ES2054457T3 (en)
FR (1) FR2661458B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19728850B4 (en) * 1997-07-05 2004-07-15 Festo Ag & Co Method and device for actuating a fluidically operated actuating device
EP2495300A1 (en) 2011-03-04 2012-09-05 Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House Structuring detergent liquids with hydrogenated castor oil
CN109281879B (en) * 2018-11-22 2020-04-10 哈尔滨理工大学 Hydraulic control loop for four-limb linkage rehabilitation trainer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1361680A (en) * 1971-07-23 1974-07-30 Sperry Rand Ltd Hydraulic actuator controls
US4040439A (en) * 1976-03-29 1977-08-09 Eaton Corporation Cushion valve arrangement
DE3133800A1 (en) * 1980-11-14 1982-06-03 Werkzeugmaschinenfabrik Oerlikon-Bührle AG, 8050 Zürich DEVICE FOR REGULATING THE DIFFERENTIAL PRESSURE ON A HYDROMOTOR

Also Published As

Publication number Publication date
FR2661458A1 (en) 1991-10-31
DE69102342T2 (en) 1994-09-29
ES2054457T3 (en) 1994-08-01
JPH04228903A (en) 1992-08-18
EP0454510B1 (en) 1994-06-08
EP0454510A1 (en) 1991-10-30
DE69102342D1 (en) 1994-07-14

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Legal Events

Date Code Title Description
ST Notification of lapse