DE602004012011D1 - Hydraulic actuator with leak-free pneumatic means for position detection - Google Patents

Hydraulic actuator with leak-free pneumatic means for position detection

Info

Publication number
DE602004012011D1
DE602004012011D1 DE200460012011 DE602004012011T DE602004012011D1 DE 602004012011 D1 DE602004012011 D1 DE 602004012011D1 DE 200460012011 DE200460012011 DE 200460012011 DE 602004012011 T DE602004012011 T DE 602004012011T DE 602004012011 D1 DE602004012011 D1 DE 602004012011D1
Authority
DE
Germany
Prior art keywords
leak
position detection
hydraulic actuator
pneumatic means
free pneumatic
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
DE200460012011
Other languages
German (de)
Other versions
DE602004012011T2 (en
Inventor
Gerard Ripp
Gilbert Sprauel
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.)
Usines Quiri and Cie Ste
Original Assignee
Usines Quiri and Cie Ste
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 Usines Quiri and Cie Ste filed Critical Usines Quiri and Cie Ste
Publication of DE602004012011D1 publication Critical patent/DE602004012011D1/en
Application granted granted Critical
Publication of DE602004012011T2 publication Critical patent/DE602004012011T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • 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
    • F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
    • F15B11/072—Combined pneumatic-hydraulic systems
    • 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
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
DE200460012011 2003-03-24 2004-03-09 Hydraulic actuator with leak-free pneumatic means for position detection Expired - Lifetime DE602004012011T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0303561 2003-03-24
FR0303561A FR2852873B1 (en) 2003-03-24 2003-03-24 DEVICE WITH HYDRAULIC DISPLACEMENT CONTROL PROVIDED WITH PNEUMATIC DETECTION MEANS WITH NO LEAKAGE OF THE POSITIONS

Publications (2)

Publication Number Publication Date
DE602004012011D1 true DE602004012011D1 (en) 2008-04-10
DE602004012011T2 DE602004012011T2 (en) 2009-06-25

Family

ID=32799722

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200460012011 Expired - Lifetime DE602004012011T2 (en) 2003-03-24 2004-03-09 Hydraulic actuator with leak-free pneumatic means for position detection

Country Status (3)

Country Link
EP (1) EP1462662B1 (en)
DE (1) DE602004012011T2 (en)
FR (1) FR2852873B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111351523B (en) * 2019-12-04 2022-06-28 福建工程学院 Hydraulic cylinder displacement and speed soft measurement method of single-pump open system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555966A (en) * 1969-12-08 1971-01-19 Mead Specialties Co Inc Air cylinder with pilot valve in head
DD101469A1 (en) * 1972-12-21 1973-11-12
FR2288895A1 (en) * 1974-08-30 1976-05-21 Geoffray Jean Pierre Machine tool actuator with integral scanner - working stroke end adjustment may be externally controlled
FR2289781A1 (en) * 1974-10-29 1976-05-28 Jouvenel & Cordier Device to control ram at ends of strokes - has body screwing into inlet with feeler actuated by piston damper ring
DE19616441C1 (en) * 1996-04-25 1997-06-26 Tuenkers Maschinenbau Gmbh Toggle joint clamping device for vehicle bodywork, with grip head

Also Published As

Publication number Publication date
FR2852873B1 (en) 2005-05-27
EP1462662A1 (en) 2004-09-29
FR2852873A1 (en) 2004-10-01
DE602004012011T2 (en) 2009-06-25
EP1462662B1 (en) 2008-02-27

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition