FR2674294B1 - HYDRAULIC CYLINDER WITH MOVABLE ROD POSITIONING. - Google Patents

HYDRAULIC CYLINDER WITH MOVABLE ROD POSITIONING.

Info

Publication number
FR2674294B1
FR2674294B1 FR9103747A FR9103747A FR2674294B1 FR 2674294 B1 FR2674294 B1 FR 2674294B1 FR 9103747 A FR9103747 A FR 9103747A FR 9103747 A FR9103747 A FR 9103747A FR 2674294 B1 FR2674294 B1 FR 2674294B1
Authority
FR
France
Prior art keywords
hydraulic cylinder
movable rod
rod positioning
positioning
movable
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 - Fee Related
Application number
FR9103747A
Other languages
French (fr)
Other versions
FR2674294A1 (en
Inventor
Jean-Paul Auverghe
Pierre Clavel
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.)
ETUDES MONTAGES
Original Assignee
ETUDES MONTAGES
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 ETUDES MONTAGES filed Critical ETUDES MONTAGES
Priority to FR9103747A priority Critical patent/FR2674294B1/en
Priority to DE1992602375 priority patent/DE69202375T2/en
Priority to EP19920420084 priority patent/EP0505297B1/en
Priority to ES92420084T priority patent/ES2072120T3/en
Publication of FR2674294A1 publication Critical patent/FR2674294A1/en
Application granted granted Critical
Publication of FR2674294B1 publication Critical patent/FR2674294B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/283—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using a cable wrapped on a drum and attached to the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
FR9103747A 1991-03-22 1991-03-22 HYDRAULIC CYLINDER WITH MOVABLE ROD POSITIONING. Expired - Fee Related FR2674294B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9103747A FR2674294B1 (en) 1991-03-22 1991-03-22 HYDRAULIC CYLINDER WITH MOVABLE ROD POSITIONING.
DE1992602375 DE69202375T2 (en) 1991-03-22 1992-03-20 Hydraulic cylinder with piston position indicator.
EP19920420084 EP0505297B1 (en) 1991-03-22 1992-03-20 Hydraulic actuator with piston positioning means
ES92420084T ES2072120T3 (en) 1991-03-22 1992-03-20 HYDRAULIC JACK WITH GOVERNED POSITIONING OF MOBILE STEM.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103747A FR2674294B1 (en) 1991-03-22 1991-03-22 HYDRAULIC CYLINDER WITH MOVABLE ROD POSITIONING.

Publications (2)

Publication Number Publication Date
FR2674294A1 FR2674294A1 (en) 1992-09-25
FR2674294B1 true FR2674294B1 (en) 1993-12-17

Family

ID=9411202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9103747A Expired - Fee Related FR2674294B1 (en) 1991-03-22 1991-03-22 HYDRAULIC CYLINDER WITH MOVABLE ROD POSITIONING.

Country Status (4)

Country Link
EP (1) EP0505297B1 (en)
DE (1) DE69202375T2 (en)
ES (1) ES2072120T3 (en)
FR (1) FR2674294B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741400B1 (en) * 1995-11-22 1998-01-09 Valeo HYDRAULIC CYLINDER PROVIDED WITH MEANS FOR DETECTING THE AXIAL POSITION OF ITS PISTON
US6234061B1 (en) 1998-10-20 2001-05-22 Control Products, Inc. Precision sensor for a hydraulic cylinder
US6694861B2 (en) 1998-10-19 2004-02-24 Control Products Inc. Precision sensor for a hydraulic cylinder
EP1443218B1 (en) * 1998-10-20 2007-01-03 Control Products Inc. Precision sensor for a hydraulic cylinder
FR2794196B1 (en) 1999-05-31 2002-04-26 Pierre Clavel DEVICE FOR MEASURING AND CONTINUOUSLY DISPLAYING THE POSITION OR POSITION CONTROL OF A CYLINDER ROD
US7093361B2 (en) 2002-01-23 2006-08-22 Control Products, Inc. Method of assembling an actuator with an internal sensor
US6866545B2 (en) 2003-03-10 2005-03-15 Control Products, Inc., (Us) Electrical cordset with integral signal conditioning circuitry
CN100359190C (en) * 2003-08-07 2008-01-02 北京欧特科新技术有限公司 Built-in hydraulic oil-cylinder displacement sensor
US7197974B2 (en) 2004-01-15 2007-04-03 Control Products Inc. Position sensor
US7609055B2 (en) 2004-07-21 2009-10-27 Control Products, Inc. Position sensing device and method
DE102005058178A1 (en) * 2005-12-05 2007-06-06 Sick Stegmann Gmbh locking device
CN107218267B (en) * 2017-06-01 2019-06-21 武汉船用机械有限责任公司 It is a kind of for detecting the device of hydraulic cylinder displacement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121504A (en) * 1977-01-21 1978-10-24 Inovec, Inc. Cylinder positioning systems
US4286386A (en) * 1977-09-06 1981-09-01 Long Irvin E Electro-mechanical displacement measuring device
DE3106156A1 (en) * 1981-02-19 1982-09-09 Pohle + Rehling Gmbh, 4353 Oer-Erkenschwick Method of monitoring the face position and device for carrying out the method
DE3229945C2 (en) * 1982-08-12 1986-06-05 Mannesmann Rexroth GmbH, 8770 Lohr Device for displaying the piston stroke in a hydraulic cylinder
US4969274A (en) * 1988-10-11 1990-11-13 Chang Fu Rong Displacement measuring and remote control apparatus with a sheave and a flexible belt

Also Published As

Publication number Publication date
FR2674294A1 (en) 1992-09-25
ES2072120T3 (en) 1995-07-01
DE69202375D1 (en) 1995-06-14
DE69202375T2 (en) 1995-10-05
EP0505297B1 (en) 1995-05-10
EP0505297A1 (en) 1992-09-23

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Legal Events

Date Code Title Description
ST Notification of lapse