FR2203948A1 - - Google Patents

Info

Publication number
FR2203948A1
FR2203948A1 FR7337011A FR7337011A FR2203948A1 FR 2203948 A1 FR2203948 A1 FR 2203948A1 FR 7337011 A FR7337011 A FR 7337011A FR 7337011 A FR7337011 A FR 7337011A FR 2203948 A1 FR2203948 A1 FR 2203948A1
Authority
FR
France
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.)
Granted
Application number
FR7337011A
Other languages
French (fr)
Other versions
FR2203948B1 (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.)
Paul Wurth SA
Original Assignee
Anciens Etablissements Paul Wurth 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 Anciens Etablissements Paul Wurth SA filed Critical Anciens Etablissements Paul Wurth SA
Publication of FR2203948A1 publication Critical patent/FR2203948A1/fr
Application granted granted Critical
Publication of FR2203948B1 publication Critical patent/FR2203948B1/fr
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
    • F15B15/28—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
    • F15B15/2823—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT by a screw mechanism 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)
FR7337011A 1972-10-23 1973-10-17 Expired FR2203948B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU66347 1972-10-23

Publications (2)

Publication Number Publication Date
FR2203948A1 true FR2203948A1 (en) 1974-05-17
FR2203948B1 FR2203948B1 (en) 1978-09-08

Family

ID=19727186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7337011A Expired FR2203948B1 (en) 1972-10-23 1973-10-17

Country Status (8)

Country Link
US (1) US3915070A (en)
BE (1) BE806317A (en)
DE (1) DE2344143A1 (en)
ES (1) ES419549A1 (en)
FR (1) FR2203948B1 (en)
GB (1) GB1440353A (en)
IT (1) IT998765B (en)
LU (1) LU66347A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386552A (en) * 1980-06-16 1983-06-07 Foxwell W John Power cylinder with internally mounted position indicator
US4552055A (en) * 1981-02-09 1985-11-12 Prince Manufacturing Company Power cylinder with internally mounted position indicator
US4523514A (en) * 1981-09-08 1985-06-18 Deere & Company Position sensing cylinder
DE3229945C2 (en) * 1982-08-12 1986-06-05 Mannesmann Rexroth GmbH, 8770 Lohr Device for displaying the piston stroke in a hydraulic cylinder
US4536130A (en) * 1984-06-18 1985-08-20 Dunham-Bush, Inc. Simplified unloader indicator for helical screw rotary compressor
US5488860A (en) * 1993-12-29 1996-02-06 E-Systems, Inc. Apparatus for determining the position of a piston in a fluidic actuator
US5661247A (en) * 1995-11-24 1997-08-26 Georgia Tech Research Corporation Rotational displacement apparatus with ultra-low torque and high thrust load capability
DE19933073A1 (en) * 1999-07-19 2001-01-25 Claas Industrietechnik Gmbh Device for detecting the position of a piston
FI20025035A0 (en) * 2001-12-20 2002-07-24 Alamarin Jet Oy Working cylinder
US7023199B2 (en) * 2002-12-31 2006-04-04 Caterpillar Inc. Position sensing cylinder cap for ease of service and assembly
US20050007099A1 (en) * 2003-07-07 2005-01-13 Hamasagar Arun M. Position sensing method and apparatus for a linkage system
US7121185B2 (en) * 2004-05-28 2006-10-17 Caterpillar Inc. Hydraulic cylinder having a snubbing valve
DE202005011280U1 (en) * 2005-07-18 2006-11-23 Kinshofer Greiftechnik Gmbh & Co. Kg Lifting/swivelling device for hydraulic platform or loading ramp of vehicle, has swivel drive formed from two hydraulic motors having motor shaft rotatably supported in housing, where shaft stays in screw-contact with drive part
BRPI0917767A2 (en) * 2008-12-16 2016-07-26 Allan Graeme Miners combination in a linear actuator
US11779501B2 (en) * 2019-09-17 2023-10-10 Engle Dental Systems, LLC Traverse dental chair and a sensor assembly for monitoring positions thereof
DE102020107647A1 (en) 2020-03-13 2021-09-16 Wollin Gmbh Dosing volume measuring device
DE102020209578A1 (en) * 2020-07-29 2022-02-03 Hawe Hydraulik Se CYLINDER DEVICE FOR A HYDRAULIC LIFTING DEVICE WITH POSITION MEASUREMENT, HYDRAULIC LIFTING DEVICE, CHASSIS AND MOBILE DEVICE

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299432B (en) * 1967-12-30 1969-07-17 Maurer Ludwig Method and device for travel measurement in a piston-cylinder unit acted upon by a pressure medium

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US243450A (en) * 1881-06-28 lafargkje
DE7201445U (en) * 1972-04-06 Weiste H Langenverhcher hydraulic actuating cylinder
US2704047A (en) * 1953-03-05 1955-03-15 Lushenko Gordon Indicating mechanism for ram operated agricultural tool
US2936737A (en) * 1955-07-25 1960-05-17 Miller J Carter Rotary actuator
US3077179A (en) * 1961-08-22 1963-02-12 Evanson Emil Position indicator for elongatable actuators such as hydraulic cylinders
US3186311A (en) * 1962-10-03 1965-06-01 Carl M Carlson Air impulse counter
US3398484A (en) * 1965-06-04 1968-08-27 Katsumura Toru Car door actuator
US3363434A (en) * 1965-08-26 1968-01-16 Lokomotivbau Elektrotech Device for protecting a shaft against condensation of vapor
US3386340A (en) * 1965-11-24 1968-06-04 Elisworth C. Engle Fluid power drive unit having rotary and reciprocatory movement
GB1160624A (en) * 1966-07-05 1969-08-06 Gen Electric Improvements in Hydraulic Actuators
DE1784892C3 (en) * 1968-07-09 1975-09-11 Fritz Dipl.-Ing. 3001 Anderten Engelbart Device for wastewater purification
NO123671B (en) * 1968-12-30 1971-12-27 Norsk Hydro Verksteder A S
US3633534A (en) * 1970-01-07 1972-01-11 Sperry Rand Corp Mechanical annunciator for indicating the position of the actuation shaft of a selector switch
US3766831A (en) * 1971-12-09 1973-10-23 Southwest Res Inst Compound axial torsional hydraulic actuator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299432B (en) * 1967-12-30 1969-07-17 Maurer Ludwig Method and device for travel measurement in a piston-cylinder unit acted upon by a pressure medium

Also Published As

Publication number Publication date
DE2344143A1 (en) 1974-04-25
BE806317A (en) 1974-02-15
GB1440353A (en) 1976-06-23
ES419549A1 (en) 1976-05-01
FR2203948B1 (en) 1978-09-08
DE2344143C2 (en) 1987-06-11
LU66347A1 (en) 1973-01-23
US3915070A (en) 1975-10-28
IT998765B (en) 1976-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse