FR1125999A - Device forming automatic pressure limiter and reducer by producing the end-of-stroke stop, for double-acting hydraulic cylinders - Google Patents

Device forming automatic pressure limiter and reducer by producing the end-of-stroke stop, for double-acting hydraulic cylinders

Info

Publication number
FR1125999A
FR1125999A FR1125999DA FR1125999A FR 1125999 A FR1125999 A FR 1125999A FR 1125999D A FR1125999D A FR 1125999DA FR 1125999 A FR1125999 A FR 1125999A
Authority
FR
France
Prior art keywords
reducer
double
producing
hydraulic cylinders
device forming
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
Application number
Other languages
French (fr)
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.)
Offray & Cie
Original Assignee
Offray & Cie
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 Offray & Cie filed Critical Offray & Cie
Application granted granted Critical
Publication of FR1125999A publication Critical patent/FR1125999A/en
Expired legal-status Critical Current

Links

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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/225—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke with valve stems operated by contact with the piston end face or with the cylinder wall
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1125999D 1955-05-04 1955-05-04 Device forming automatic pressure limiter and reducer by producing the end-of-stroke stop, for double-acting hydraulic cylinders Expired FR1125999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1125999T 1955-05-04

Publications (1)

Publication Number Publication Date
FR1125999A true FR1125999A (en) 1956-11-12

Family

ID=9634801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1125999D Expired FR1125999A (en) 1955-05-04 1955-05-04 Device forming automatic pressure limiter and reducer by producing the end-of-stroke stop, for double-acting hydraulic cylinders

Country Status (1)

Country Link
FR (1) FR1125999A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059622A (en) * 1960-12-30 1962-10-23 Int Harvester Co Hydraulic cylinder by-pass relief valve mechanism
DE1176571B (en) * 1958-07-30 1964-08-20 Lars Arnbak & Co As Portal lift truck for lifting a load traverse
US3181429A (en) * 1963-09-30 1965-05-04 Allis Chalmers Mfg Co Piston and unloading valve therefor
US3241460A (en) * 1963-09-30 1966-03-22 Allis Chalmers Mfg Co Hydraulic piston with mechanical unloading valve
US3991832A (en) * 1975-07-14 1976-11-16 Deere & Company Hydraulically tiltable and anglable dozer blade and mounting therefor
FR2538047A1 (en) * 1982-12-15 1984-06-22 Manitou Bf Double-acting jack comprising an automatic device limiting the displacement of its shaft, and its application to lifting trucks
US4478129A (en) * 1980-04-15 1984-10-23 Zimmermann & Jansen Gmbh Apparatus for the exact position feedback of a double-acting power piston in a hydraulic power cylinder
US4648307A (en) * 1985-10-10 1987-03-10 Trw, Inc. Unloading valve for power steering piston with integral gear
EP0554507A1 (en) * 1992-01-10 1993-08-11 Kabushiki Kaisha Ogura Fluid actuated, double acting machine for punching, cutting, bending or the like
WO1998022718A1 (en) * 1996-11-16 1998-05-28 Zf Friedrichshafen Ag Pneumatic or hydraulic control motor with a shutoff device
EP3792504A1 (en) * 2019-09-12 2021-03-17 Ratier-Figeac SAS Hydraulic actuator end stroke stop pressure/load control

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1176571B (en) * 1958-07-30 1964-08-20 Lars Arnbak & Co As Portal lift truck for lifting a load traverse
US3059622A (en) * 1960-12-30 1962-10-23 Int Harvester Co Hydraulic cylinder by-pass relief valve mechanism
US3181429A (en) * 1963-09-30 1965-05-04 Allis Chalmers Mfg Co Piston and unloading valve therefor
US3241460A (en) * 1963-09-30 1966-03-22 Allis Chalmers Mfg Co Hydraulic piston with mechanical unloading valve
US3991832A (en) * 1975-07-14 1976-11-16 Deere & Company Hydraulically tiltable and anglable dozer blade and mounting therefor
US4478129A (en) * 1980-04-15 1984-10-23 Zimmermann & Jansen Gmbh Apparatus for the exact position feedback of a double-acting power piston in a hydraulic power cylinder
US4572054A (en) * 1980-04-15 1986-02-25 Zimmermann & Jansen Gmbh Exact position feedback of double-acting power piston in hydraulic cylinders
FR2538047A1 (en) * 1982-12-15 1984-06-22 Manitou Bf Double-acting jack comprising an automatic device limiting the displacement of its shaft, and its application to lifting trucks
US4648307A (en) * 1985-10-10 1987-03-10 Trw, Inc. Unloading valve for power steering piston with integral gear
EP0554507A1 (en) * 1992-01-10 1993-08-11 Kabushiki Kaisha Ogura Fluid actuated, double acting machine for punching, cutting, bending or the like
WO1998022718A1 (en) * 1996-11-16 1998-05-28 Zf Friedrichshafen Ag Pneumatic or hydraulic control motor with a shutoff device
CN1096578C (en) * 1996-11-16 2002-12-18 腓特烈斯港齿轮工厂股份公司 Pneumatic or hydraulic control motor with shut off device
EP3792504A1 (en) * 2019-09-12 2021-03-17 Ratier-Figeac SAS Hydraulic actuator end stroke stop pressure/load control
US11035392B2 (en) 2019-09-12 2021-06-15 Ratier-Figeac Sas Hydraulic actuator end stroke stop pressure/load control

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