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ES477298A1 - Dispositivo perfeccionado de gato hidraulico. - Google Patents

Dispositivo perfeccionado de gato hidraulico.

Info

Publication number
ES477298A1
ES477298A1 ES477298A ES477298A ES477298A1 ES 477298 A1 ES477298 A1 ES 477298A1 ES 477298 A ES477298 A ES 477298A ES 477298 A ES477298 A ES 477298A ES 477298 A1 ES477298 A1 ES 477298A1
Authority
ES
Spain
Prior art keywords
actuator
discharge
orifices
pressure
hydraulic actuator
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
ES477298A
Other languages
English (en)
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.)
Renault SA
Original Assignee
Renault SA
Regie Nationale des Usines Renault
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 Renault SA, Regie Nationale des Usines Renault filed Critical Renault SA
Publication of ES477298A1 publication Critical patent/ES477298A1/es
Expired 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
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/22Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/224Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston which closes off fluid outlets in the cylinder bore by its own movement

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)

Abstract

Dispositivo perfeccionado de gato hidráulico de carrera regulada del tipo de camisa con orificios múltiples de paso del fluido, sucesivamente cubiertos o descubiertos por el pistón en las carreras de aceleración o de desaceleración, caracterizado porque reguladores de caudal de un tipo en sí conocido que incluyen una corredera deslizante equilibrada por un resorte de calibrado, están dispuestos en las alimentaciones del gato, regulando dicha corredera el caudal de evacuación del gato en posición de equilibrio entre, por una parte, sobre una de sus caras de extremo, la presión en el cilindro, aguas arriba de los orificios de evacuación múltiples, y por otra parte, sobre la otra cara, la presión aguas abajo de dichos orificios, aumentada en la presión del resorte de calibrado, controlando, sobre esta cara, la apertura del caudal de evacuación del gato, encontrándose la corredera del regulador dispuesta en el otro extremo del gato, debido a la inversión del sentido de las pérdidas de carga enlos orificios múltiples, impulsada al fondo del alojamiento e inactiva.
ES477298A 1978-03-20 1979-01-31 Dispositivo perfeccionado de gato hidraulico. Expired ES477298A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7807937A FR2420674A1 (fr) 1978-03-20 1978-03-20 Verin hydraulique a course regulee

Publications (1)

Publication Number Publication Date
ES477298A1 true ES477298A1 (es) 1979-07-01

Family

ID=9206009

Family Applications (1)

Application Number Title Priority Date Filing Date
ES477298A Expired ES477298A1 (es) 1978-03-20 1979-01-31 Dispositivo perfeccionado de gato hidraulico.

Country Status (3)

Country Link
EP (1) EP0004483A1 (es)
ES (1) ES477298A1 (es)
FR (1) FR2420674A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399968A (en) * 1980-05-16 1983-08-23 Rockwell International Corporation Controlled output force actuator
US5107677A (en) * 1987-05-21 1992-04-28 Vertran Manufacturing Company Hydraulic door actuator
US5161957A (en) * 1987-05-21 1992-11-10 Vertran Manufacturing Company Hydraulic door actuator
DE4305401A1 (de) * 1993-02-22 1994-08-25 Fibro Gmbh Vorrichtung zur Endlagendämpfung eines bewegten Systems
TW468005B (en) * 1998-11-06 2001-12-11 Smc Corp Pneumatic cylinder with cushion mechanism
CN105889173B (zh) 2016-06-16 2017-06-30 朱德伟 液压缓冲装置及包含有该装置的缓冲油缸

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054384A (en) * 1961-01-12 1962-09-18 Cessna Aircraft Co Piston velocity governor
DE2326417C3 (de) * 1973-05-24 1980-01-10 Maschinenfabrik Glueckauf Beukenberg Gmbh & Co, 4650 Gelsenkirchen Hydraulik-Zylinder mit Endlagendämpfung
US4033235A (en) * 1976-01-26 1977-07-05 Caterpillar Tractor Co. Fluid operated ram

Also Published As

Publication number Publication date
EP0004483A1 (fr) 1979-10-03
FR2420674A1 (fr) 1979-10-19

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