FR2717260B1 - Device for determining the position of an adjustment element. - Google Patents

Device for determining the position of an adjustment element.

Info

Publication number
FR2717260B1
FR2717260B1 FR9502636A FR9502636A FR2717260B1 FR 2717260 B1 FR2717260 B1 FR 2717260B1 FR 9502636 A FR9502636 A FR 9502636A FR 9502636 A FR9502636 A FR 9502636A FR 2717260 B1 FR2717260 B1 FR 2717260B1
Authority
FR
France
Prior art keywords
determining
adjustment element
adjustment
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
FR9502636A
Other languages
French (fr)
Other versions
FR2717260A1 (en
Inventor
Peter Buchholz
Nikolaus Wahnschaffe
Heinz Ruhmer
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of FR2717260A1 publication Critical patent/FR2717260A1/en
Application granted granted Critical
Publication of FR2717260B1 publication Critical patent/FR2717260B1/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
    • 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
    • F15B15/2853—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using potentiometers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0089—Transmitting or indicating the displacement of pistons by electrical, electromechanical, magnetic or electromagnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/02—Clutches
    • B60W2710/021—Clutch engagement state
    • B60W2710/022—Clutch actuator position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/18—Sensors; Details or arrangements thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
FR9502636A 1994-03-08 1995-03-07 Device for determining the position of an adjustment element. Expired - Fee Related FR2717260B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4407648A DE4407648C2 (en) 1994-03-08 1994-03-08 Device for detecting the position of an actuator

Publications (2)

Publication Number Publication Date
FR2717260A1 FR2717260A1 (en) 1995-09-15
FR2717260B1 true FR2717260B1 (en) 1997-10-31

Family

ID=6512135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9502636A Expired - Fee Related FR2717260B1 (en) 1994-03-08 1995-03-07 Device for determining the position of an adjustment element.

Country Status (4)

Country Link
JP (1) JPH0843004A (en)
DE (1) DE4407648C2 (en)
FR (1) FR2717260B1 (en)
GB (1) GB2288240B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19542766B4 (en) * 1994-11-25 2004-11-04 Volkswagen Ag working cylinder
FI102413B1 (en) * 1996-04-11 1998-11-30 Lako Forest Oy A system for monitoring the movement of a device driven by a hydraulic cylinder
ES2150832B1 (en) * 1996-06-12 2001-06-16 Fichtel & Sachs Ag OPERATING DEVICE FOR THE OPERATION, IN PARTICULAR PNEUMATIC OPERATION, OF A FRICTION CLUTCH.
FR2756917A1 (en) * 1996-12-09 1998-06-12 Cristini Marcel Louis Michel Tyre pressure measuring mechanism for vehicle
DE19652785B4 (en) * 1996-12-19 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Release device with integrated displacement sensor for a hydraulically actuated friction clutch
FR2842267B1 (en) * 2002-07-11 2005-09-23 Renault Sa CYLINDER FOR A DEVICE FOR HYDRAULICALLY CONTROLLING A CLUTCH OF A MOTOR VEHICLE
DE102008010703A1 (en) 2008-02-22 2009-08-27 Robert Bosch Gmbh Measuring system for detecting position of piston i.e. valve slide, of piston cylinder unit i.e. valve, has sensor that is arranged such that sensor measures change of magnetic field produced by magnet during rotation of wheel
DE102012214456A1 (en) * 2012-08-14 2014-02-20 Zf Friedrichshafen Ag Displacement measuring device for detecting movement of switching-gear component in e.g. dual clutch transmission of motor car, has induction coil that is fixed in transmission, and shifting claw that is connected with coil core
EP2899409A3 (en) * 2014-01-24 2016-04-27 Schaeffler Technologies AG & Co. KG Measuring adapter for a hydraulic line, preferably for a clutch actuation unit of a motor vehicle
IT201700114459A1 (en) * 2017-10-11 2019-04-11 Ognibene Power Spa TRANSDUCER, COMPREHENSIVE DEVICE OF THIS TRANSDUCER AND EQUIPMENT INCLUDING THE DEVICE
DE102017219254B4 (en) * 2017-10-26 2020-10-01 Festo Se & Co. Kg Throttle device
CN108386462A (en) * 2018-03-23 2018-08-10 洛阳世英机械制造有限公司 A kind of non-maintaining electro-hydraulic control system of clutch
CN110228062B (en) * 2019-04-19 2021-04-20 武汉智仁传控技术有限公司 Hydraulic system and mechanical arm of rotary electro-hydraulic actuator

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1371869A (en) * 1973-10-01 1974-10-30 Girling Ltd Flowmeters
GB2018999B (en) * 1978-04-11 1983-01-19 Univ Cardiff Distance measuring
DE3302255A1 (en) * 1983-01-24 1984-07-26 Paul Pleiger Maschinenfabrik, 5810 Witten Device for indicating the end position of a piston in a cylinder
SE436072B (en) * 1983-03-22 1984-11-05 Hara Ab POTENTIOMETER DEVICE FOR DETERMINATION OF PHYSICAL HYDRAULIC PISTONS AND SIMILAR
GB2164154B (en) * 1984-09-04 1988-02-10 Martonair Ltd Magnetic velocity sensor
GB2202331B (en) * 1987-03-19 1991-01-02 British Gas Plc Electromagnetic transducer
JPH02161360A (en) * 1988-06-06 1990-06-21 Daido Metal Co Ltd Electric galvanometer
DE4011850B4 (en) * 1989-04-17 2006-04-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg A method of controlling an automated friction clutch operative between an engine and a transmission
DE4019747C1 (en) * 1990-06-21 1991-09-19 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4032167C1 (en) * 1990-10-10 1992-04-30 Paul Pleiger Maschinenfabrik Gmbh & Co Kg, 5810 Witten, De Hydraulic actuator position indicator - incorporates cylinder and lines connecting working cylinder to control valve
DE4105703A1 (en) * 1991-02-21 1992-08-27 Mannesmann Ag POTENTIOMETER DEVICE

Also Published As

Publication number Publication date
GB2288240B (en) 1998-09-30
JPH0843004A (en) 1996-02-16
DE4407648A1 (en) 1995-09-14
DE4407648C2 (en) 1997-09-04
GB2288240A (en) 1995-10-11
GB9504437D0 (en) 1995-04-26
FR2717260A1 (en) 1995-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse