GB1347923A - Electrically controlled hydraulic system and transducer therefor - Google Patents

Electrically controlled hydraulic system and transducer therefor

Info

Publication number
GB1347923A
GB1347923A GB5834071A GB5834071A GB1347923A GB 1347923 A GB1347923 A GB 1347923A GB 5834071 A GB5834071 A GB 5834071A GB 5834071 A GB5834071 A GB 5834071A GB 1347923 A GB1347923 A GB 1347923A
Authority
GB
United Kingdom
Prior art keywords
piston
potentiometer
resistance
sliders
cylinder
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
Application number
GB5834071A
Other languages
English (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.)
Bunker Ramo Corp
Original Assignee
Bunker Ramo Corp
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 Bunker Ramo Corp filed Critical Bunker Ramo Corp
Publication of GB1347923A publication Critical patent/GB1347923A/en
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
    • F15B15/2853—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using potentiometers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB5834071A 1971-02-08 1971-12-15 Electrically controlled hydraulic system and transducer therefor Expired GB1347923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11319371A 1971-02-08 1971-02-08

Publications (1)

Publication Number Publication Date
GB1347923A true GB1347923A (en) 1974-02-27

Family

ID=22348070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5834071A Expired GB1347923A (en) 1971-02-08 1971-12-15 Electrically controlled hydraulic system and transducer therefor

Country Status (8)

Country Link
US (1) US3726191A (ja)
JP (1) JPS5521210B1 (ja)
AU (1) AU464186B2 (ja)
BE (1) BE777615A (ja)
CA (1) CA957042A (ja)
DE (1) DE2200245A1 (ja)
FR (1) FR2124230B1 (ja)
GB (1) GB1347923A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128881A2 (en) * 1983-03-22 1984-12-19 Hara Production Aktiebolag Potentiometer device for determining the position of hydraulic pistons and the like
GB2253062A (en) * 1991-02-21 1992-08-26 Mannesmann Ag Potentiometer apparatus for measuring the displacement of a piston in a cylinder
EP0512690A1 (en) * 1991-05-02 1992-11-11 Eaton Corporation Actuator control system for devices such as clutches
US5390497A (en) * 1992-03-14 1995-02-21 Eaton Corporation Self-adjusting clutch actuator

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658928A1 (de) 1976-12-24 1978-07-06 Beringer Hydraulik Gmbh Hydraulische steuerung
DE2661086C2 (ja) * 1976-12-24 1992-10-15 Beringer-Hydraulik Gmbh, Neuheim, Zug, Ch
US4386552A (en) * 1980-06-16 1983-06-07 Foxwell W John Power cylinder with internally mounted position indicator
DE3036485A1 (de) * 1980-09-27 1982-05-19 Bergwerksverband Gmbh, 4300 Essen Hydraulischer arbeitszylinder
US4552055A (en) * 1981-02-09 1985-11-12 Prince Manufacturing Company Power cylinder with internally mounted position indicator
DE3122120A1 (de) * 1981-06-04 1983-01-05 Pierburg Gmbh & Co Kg, 4040 Neuss Wegsteller
DE3128486A1 (de) * 1981-07-18 1983-01-27 Pierburg Gmbh & Co Kg, 4040 Neuss "verfahren und vorrichtung zur steuerung eines pneumatisch betriebenen servomotors"
US4523514A (en) * 1981-09-08 1985-06-18 Deere & Company Position sensing cylinder
CA1180916A (en) * 1981-09-08 1985-01-15 Ronnie F. Burk Position-sensing cylinder
DE3207068C2 (de) * 1982-02-26 1994-02-24 Kaltenbach & Voigt Schaltungsanordnung zur Steuerung der Bewegung einer Einstellvorrichtung, insbesondere eines Patientenstuhles
EP0151323B2 (en) 1982-03-22 1995-05-17 Deere & Company Working depth control system for vehicle with ground working inplement
US4437385A (en) * 1982-04-01 1984-03-20 Deere & Company Electrohydraulic valve system
DE3240351A1 (de) * 1982-10-30 1984-05-03 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover Druckmittelbetaetigter arbeitszylinder
DE3317113A1 (de) 1983-05-10 1984-11-15 Knorr-Bremse GmbH, 8000 München Positioniereinrichtung fuer kolbenstangenlose zylinder
AT384899B (de) * 1984-09-17 1988-01-25 Hoerbiger Ventilwerke Ag Regelungsverfahren fuer einen fluidzylinder
DE3520199A1 (de) * 1984-10-05 1986-04-10 Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover Potentiometer
DE8508933U1 (de) * 1985-03-26 1985-07-04 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Druckmittelbetätigtes Schubkolbengetriebe
US4664239A (en) * 1985-08-08 1987-05-12 Applied Power Inc. System for disabling, enabling and otherwise controlling vehicle functions based upon continuous measurement of clutch wear and clutch position
DE3637068A1 (de) * 1986-04-08 1987-12-23 Samson Ag Pneumatische antriebsvorrichtung fuer stellgeraete oder dergleichen
US4844685A (en) * 1986-09-03 1989-07-04 Clark Equipment Company Electronic bucket positioning and control system
US4737705A (en) * 1986-11-05 1988-04-12 Caterpillar Inc. Linear position sensor using a coaxial resonant cavity
US4879440A (en) * 1988-01-07 1989-11-07 Lymburner Robert K Proximity switch for a cylinder
US4803318A (en) * 1988-01-07 1989-02-07 Lymburner Robert K Proximity switch for a cylinder
DE3803268A1 (de) * 1988-02-04 1989-04-13 Bosch Gmbh Robert Messeinrichtung fuer einen arbeitszylinder
DE3900086A1 (de) * 1989-01-03 1990-07-05 Norbert Kolb Verstelleinrichtung mit sensor fuer ein arbeitsgeraet, insbesondere drehpflug
DE3907944A1 (de) * 1989-03-11 1990-09-13 Bochumer Eisen Heintzmann Stellvorrichtung mit einem zylinder und einem in dem zylinder gefuehrten kolben
US4982652A (en) * 1989-05-19 1991-01-08 Blatt John A Fluid operated actuator with recessed position sensor and recessed end cap fastener
US5241278A (en) * 1991-07-05 1993-08-31 Caterpillar Inc. Radio frequency linear position sensor using two subsequent harmonics
US5238029A (en) * 1991-10-04 1993-08-24 Fanuc Robotics North America, Inc. Method and system for fluid transfer and non-contact sensor for use therein
US5438274A (en) * 1991-12-23 1995-08-01 Caterpillar Linear position sensor using a coaxial resonant cavity
US5182979A (en) * 1992-03-02 1993-02-02 Caterpillar Inc. Linear position sensor with equalizing means
US5325063A (en) * 1992-05-11 1994-06-28 Caterpillar Inc. Linear position sensor with means to eliminate spurians harmonic detections
US5608332A (en) * 1995-05-09 1997-03-04 Caterpillar Inc. Dynamic gain adjustment in electromagnetic wave hydraulic cylinder piston position sensing
US5617034A (en) * 1995-05-09 1997-04-01 Caterpillar Inc. Signal improvement in the sensing of hydraulic cylinder piston position using electromagnetic waves
US5710514A (en) * 1995-05-09 1998-01-20 Caterpillar, Inc. Hydraulic cylinder piston position sensing with compensation for piston velocity
US5943940A (en) * 1995-11-30 1999-08-31 Ab Volvo Indication means in a brake cylinder for a vehicle brake
US5886617A (en) * 1997-06-18 1999-03-23 Ingersoll-Rand Company Composite tube transducer cylinder
FR2794236B1 (fr) * 1999-05-26 2006-06-16 Serta Dispositif permettant de connaitre la position et de mesurer les deplacements du piston ou de la tige de piston dans la chambre d'un verin du type comprenant un capteur potentiometrique rectiligne lineaire
US6216072B1 (en) 1999-11-23 2001-04-10 Deere & Company Hitch control system with adjustable slip response
US6725761B1 (en) 2002-09-30 2004-04-27 Prince Manufacturing Corporation Spooling device assembly for hydraulic cylinder and method of assembling same
DE202009004673U1 (de) * 2008-08-29 2010-01-28 Liebherr-Werk Ehingen Gmbh Kolben-Zylinder-Einheit
US8347529B2 (en) 2009-04-09 2013-01-08 Vermeer Manufacturing Company Machine attachment based speed control system
ATE550569T1 (de) * 2009-08-19 2012-04-15 Hemscheidt Fahrwerktech Gmbh Hydropneumatischer kolbenspeicher
US20150114192A1 (en) * 2013-10-24 2015-04-30 Poet Research, Inc. Pneumatic biomass coring machine
US11779501B2 (en) * 2019-09-17 2023-10-10 Engle Dental Systems, LLC Traverse dental chair and a sensor assembly for monitoring positions thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160836A (en) * 1960-07-01 1964-12-08 Guerin Engineering Inc Electrohydraulic actuator
FR1382342A (fr) * 1963-11-09 1964-12-18 Mitchell Hydraulics Ltd Perfectionnements aux dispositifs de commande mécanique actionnés par un fluide sous pression
US3412391A (en) * 1964-10-31 1968-11-19 Gullick Ltd Pressure-fluid-operated devices and means for indicating the condition thereof
US3464318A (en) * 1966-06-03 1969-09-02 Moog Inc Servomechanism providing static load error washout
US3572214A (en) * 1968-12-04 1971-03-23 Ford Motor Co Vacuum motor adapted for use in a vehicle speed control mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128881A2 (en) * 1983-03-22 1984-12-19 Hara Production Aktiebolag Potentiometer device for determining the position of hydraulic pistons and the like
EP0128881A3 (en) * 1983-03-22 1987-06-03 Hara Production Aktiebolag Potentiometer device for determining the position of hydraulic pistons and the like
GB2253062A (en) * 1991-02-21 1992-08-26 Mannesmann Ag Potentiometer apparatus for measuring the displacement of a piston in a cylinder
EP0512690A1 (en) * 1991-05-02 1992-11-11 Eaton Corporation Actuator control system for devices such as clutches
US5390497A (en) * 1992-03-14 1995-02-21 Eaton Corporation Self-adjusting clutch actuator

Also Published As

Publication number Publication date
BE777615A (fr) 1972-04-17
US3726191A (en) 1973-04-10
FR2124230B1 (ja) 1975-10-24
AU464186B2 (en) 1975-08-21
FR2124230A1 (ja) 1972-09-22
AU3698971A (en) 1973-06-21
JPS5521210B1 (ja) 1980-06-07
CA957042A (en) 1974-10-29
DE2200245A1 (de) 1972-08-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee