DE50010436D1 - Device for detecting the position of a piston - Google Patents

Device for detecting the position of a piston

Info

Publication number
DE50010436D1
DE50010436D1 DE50010436T DE50010436T DE50010436D1 DE 50010436 D1 DE50010436 D1 DE 50010436D1 DE 50010436 T DE50010436 T DE 50010436T DE 50010436 T DE50010436 T DE 50010436T DE 50010436 D1 DE50010436 D1 DE 50010436D1
Authority
DE
Germany
Prior art keywords
sensor element
region
piston
detecting
fixed sensor
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
DE50010436T
Other languages
German (de)
Inventor
Herbert Kleine
Stephan Berkemann
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.)
Claas Industrietechnik GmbH
Original Assignee
Claas Industrietechnik GmbH
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 Claas Industrietechnik GmbH filed Critical Claas Industrietechnik GmbH
Priority to DE50010436T priority Critical patent/DE50010436D1/en
Application granted granted Critical
Publication of DE50010436D1 publication Critical patent/DE50010436D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Abstract

The detection device includes a sensor device which has a fixed sensor element outside the region of the fluid and a movable sensor element inside this region. The movement of the measuring rod (13), which has a thread (14) in its longitudinal direction, is turned forcibly through an angle which is detected without contact by the fixed sensor element.
DE50010436T 1999-07-19 2000-07-14 Device for detecting the position of a piston Expired - Lifetime DE50010436D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50010436T DE50010436D1 (en) 1999-07-19 2000-07-14 Device for detecting the position of a piston

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19933073A DE19933073A1 (en) 1999-07-19 1999-07-19 Device for detecting the position of a piston
DE50010436T DE50010436D1 (en) 1999-07-19 2000-07-14 Device for detecting the position of a piston

Publications (1)

Publication Number Publication Date
DE50010436D1 true DE50010436D1 (en) 2005-07-07

Family

ID=7914821

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19933073A Withdrawn DE19933073A1 (en) 1999-07-19 1999-07-19 Device for detecting the position of a piston
DE50010436T Expired - Lifetime DE50010436D1 (en) 1999-07-19 2000-07-14 Device for detecting the position of a piston

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19933073A Withdrawn DE19933073A1 (en) 1999-07-19 1999-07-19 Device for detecting the position of a piston

Country Status (4)

Country Link
EP (1) EP1070856B1 (en)
AT (1) ATE296964T1 (en)
DE (2) DE19933073A1 (en)
DK (1) DK1070856T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10059542A1 (en) * 2000-11-30 2002-06-06 Deere & Co Agricultural machine or device with positioning cylinder
US7059238B2 (en) 2003-10-17 2006-06-13 Clark Equipment Company Method and apparatus for stroke position sensor for hydraulic cylinder
DE102005044211A1 (en) 2005-09-12 2007-03-22 Wirtgen Gmbh Self-propelled construction machine, as well as lifting column for a construction machine
DE102006062129B4 (en) 2006-12-22 2010-08-05 Wirtgen Gmbh Road construction machine and method for measuring the cutting depth
US9482245B2 (en) * 2010-10-26 2016-11-01 Jlg Industries, Inc. Cylinder length sensor mounting/retaining assembly
DE102019104768A1 (en) 2019-02-26 2020-08-27 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Device for detecting the stroke height of a piston rod within a cylinder
CN114136254B (en) * 2021-11-01 2024-04-09 庆安集团有限公司 Anti-torsion structure of external linear displacement sensor with rotatable actuator piston rod

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7201445U (en) * 1972-04-06 Weiste H Langenverhcher hydraulic actuating cylinder
US2936737A (en) * 1955-07-25 1960-05-17 Miller J Carter Rotary actuator
US3403365A (en) * 1964-05-04 1968-09-24 Gen Electric Shielded transducer having means to reduce core movement
NO123671B (en) * 1968-12-30 1971-12-27 Norsk Hydro Verksteder A S
GB1369673A (en) * 1972-02-07 1974-10-09 Dowty Mining Equipment Ltd Fluid-operated jack with position signalling device
US3956973A (en) * 1972-07-11 1976-05-18 Basic Aluminum Castings Company Die casting machine with piston positioning control
LU66347A1 (en) * 1972-10-23 1973-01-23
DE2339324A1 (en) * 1973-08-03 1975-02-13 Rexroth Gmbh G L Actuator cylinder with position indicator - screw moved by piston rotates in nut and operates potentiometer
FR2216467A1 (en) * 1973-10-09 1974-08-30 Poclain Sa
GB1526211A (en) * 1976-01-08 1978-09-27 Hydraulics & Pneumatics Ltd Devices for producing signals according to the position of a piston in a cylinder
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
DE8516682U1 (en) * 1985-06-07 1987-01-15 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De
US6064197A (en) * 1997-07-26 2000-05-16 U.S. Philips Corporation Angle sensor having lateral magnetic field sensor element and axial magnetic field direction measuring element for determining angular position
DE29820636U1 (en) * 1998-11-18 1999-01-28 Festo Ag & Co Set of several linear drives

Also Published As

Publication number Publication date
EP1070856A1 (en) 2001-01-24
DE19933073A1 (en) 2001-01-25
EP1070856B1 (en) 2005-06-01
ATE296964T1 (en) 2005-06-15
DK1070856T3 (en) 2005-10-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition