ES2060114T3 - DEVICE TO MAKE A DOUBLE-ACTING HYDRAULIC JACK AUTOMATICALLY PERFORM A ROUND TRIP. - Google Patents

DEVICE TO MAKE A DOUBLE-ACTING HYDRAULIC JACK AUTOMATICALLY PERFORM A ROUND TRIP.

Info

Publication number
ES2060114T3
ES2060114T3 ES90403610T ES90403610T ES2060114T3 ES 2060114 T3 ES2060114 T3 ES 2060114T3 ES 90403610 T ES90403610 T ES 90403610T ES 90403610 T ES90403610 T ES 90403610T ES 2060114 T3 ES2060114 T3 ES 2060114T3
Authority
ES
Spain
Prior art keywords
double
make
hydraulic jack
round trip
automatically perform
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
ES90403610T
Other languages
Spanish (es)
Inventor
Alain Tessier
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.)
Enerpac France SAS
Original Assignee
France Power Packer 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 France Power Packer SA filed Critical France Power Packer SA
Application granted granted Critical
Publication of ES2060114T3 publication Critical patent/ES2060114T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Soil Working Implements (AREA)
  • Types And Forms Of Lifts (AREA)
  • Braking Arrangements (AREA)
  • Actuator (AREA)

Abstract

CON OBJETO DE OBTENER ECONOMICAMENTE LA CORREDERA (7) ESTA SE PRESENTA BAJO LA FORMA DE UN PISTON CILINDRICO CON UNA PARED LATERAL A LA QUE SE LE HA PRACTICADO UNA GARGANTA ANULAR (31) MIENTRAS QUE UN CONDUCTO EN FORMA DE L (32) ALOJADO EN SU ESPESOR DESEMBOCA RESPECTIVAMENTE EN UNA PRIMERA PARED TRANSVERSAL EXTERNA (33) Y EN LA PARED LATERAL PROXIMA A UNA SEGUNDA PARED TRANSVERSAL EXTERNA (34).IN ORDER TO OBTAIN ECONOMICALLY THE SLIDING (7) IT IS PRESENTED IN THE FORM OF A CYLINDRICAL PISTON WITH A SIDE WALL WHICH A RING THROAT HAS BEEN PRACTICED (31) WHILE AN L-SHAPED DUCT (32) IS LOCATED IN ITS THICKNESS RELEASES RESPECTIVELY ON A FIRST EXTERNAL CROSSWALL (33) AND ON THE SIDE WALL NEXT TO A SECOND EXTERNAL CROSSWALL (34).

ES90403610T 1989-12-22 1990-12-14 DEVICE TO MAKE A DOUBLE-ACTING HYDRAULIC JACK AUTOMATICALLY PERFORM A ROUND TRIP. Expired - Lifetime ES2060114T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8917151A FR2656386B1 (en) 1989-12-22 1989-12-22

Publications (1)

Publication Number Publication Date
ES2060114T3 true ES2060114T3 (en) 1994-11-16

Family

ID=9388935

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90403610T Expired - Lifetime ES2060114T3 (en) 1989-12-22 1990-12-14 DEVICE TO MAKE A DOUBLE-ACTING HYDRAULIC JACK AUTOMATICALLY PERFORM A ROUND TRIP.

Country Status (6)

Country Link
EP (1) EP0438936B1 (en)
DE (1) DE69012779T2 (en)
ES (1) ES2060114T3 (en)
FI (1) FI95094C (en)
FR (1) FR2656386B1 (en)
NO (1) NO177652C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2720123B1 (en) * 1994-05-19 1996-08-14 France Power Packer Sa Hydraulic control automation, especially for plows.
NL1000971C2 (en) 1995-08-11 1997-02-12 Applied Power Inc Plow Turning Device.
DE19548943B4 (en) * 1995-12-28 2005-05-04 Bosch Rexroth Ag valve assembly
NL1013077C2 (en) 1999-09-17 2001-03-20 Applied Power Inc Valve assembly, in particular for a hydraulic plow-rolling device.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548288B1 (en) * 1983-06-29 1985-12-13 Applied Power Inc DEVICE FOR AUTOMATICALLY INVERTING THE SUPPLY OF A DOUBLE HYDRAULIC ACTUATOR FROM A SINGLE OR DOUBLE ACTING CONTROL
NO154239C (en) * 1984-04-12 1986-08-13 Bryne Mek Verksted As TURNING VALVE.
DE3611710C1 (en) * 1986-04-08 1987-07-30 Integral Hydraulik Co Reversing device

Also Published As

Publication number Publication date
DE69012779T2 (en) 1995-02-02
NO905567L (en) 1991-06-24
FR2656386A1 (en) 1991-06-28
FI906070A (en) 1991-06-23
EP0438936A1 (en) 1991-07-31
FR2656386B1 (en) 1992-04-30
FI906070A0 (en) 1990-12-10
DE69012779D1 (en) 1994-10-27
FI95094C (en) 1995-12-27
NO177652B (en) 1995-07-17
EP0438936B1 (en) 1994-09-21
NO905567D0 (en) 1990-12-21
NO177652C (en) 1995-10-25
FI95094B (en) 1995-09-15

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