DE69934729D1 - Präzisionssensor eines hydraulischen Stellgliedes - Google Patents

Präzisionssensor eines hydraulischen Stellgliedes

Info

Publication number
DE69934729D1
DE69934729D1 DE69934729T DE69934729T DE69934729D1 DE 69934729 D1 DE69934729 D1 DE 69934729D1 DE 69934729 T DE69934729 T DE 69934729T DE 69934729 T DE69934729 T DE 69934729T DE 69934729 D1 DE69934729 D1 DE 69934729D1
Authority
DE
Germany
Prior art keywords
spool
transducer
lead screw
axis
contacting
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
DE69934729T
Other languages
English (en)
Other versions
DE69934729T2 (de
Inventor
Richard O Glasson
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.)
Control Products Inc New Jersey
Copeland Cold Chain LP
Original Assignee
Control Products Inc Minnesota
Control Products Inc New Jersey
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 Control Products Inc Minnesota, Control Products Inc New Jersey filed Critical Control Products Inc Minnesota
Application granted granted Critical
Publication of DE69934729D1 publication Critical patent/DE69934729D1/de
Publication of DE69934729T2 publication Critical patent/DE69934729T2/de
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
    • F15B15/283—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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00—Control of dimensions of material
    • G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
DE69934729T 1998-10-20 1999-10-18 Präzisionssensor eines hydraulischen Zylinders Expired - Lifetime DE69934729T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10488698P 1998-10-20 1998-10-20
US104886P 1998-10-20
US09/302,701 US6234061B1 (en) 1998-10-20 1999-04-30 Precision sensor for a hydraulic cylinder
US302701 1999-04-30

Publications (2)

Publication Number Publication Date
DE69934729D1 true DE69934729D1 (de) 2007-02-15
DE69934729T2 DE69934729T2 (de) 2007-10-18

Family

ID=26802046

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69925851T Expired - Lifetime DE69925851T2 (de) 1998-10-20 1999-10-18 Feinsensor eines hydraulischen zylinders
DE69934729T Expired - Lifetime DE69934729T2 (de) 1998-10-20 1999-10-18 Präzisionssensor eines hydraulischen Zylinders

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69925851T Expired - Lifetime DE69925851T2 (de) 1998-10-20 1999-10-18 Feinsensor eines hydraulischen zylinders

Country Status (7)

Country Link
US (1) US6234061B1 (de)
EP (1) EP1123464B1 (de)
AT (2) ATE298045T1 (de)
AU (1) AU1446900A (de)
CA (1) CA2346678C (de)
DE (2) DE69925851T2 (de)
WO (1) WO2000023717A1 (de)

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US6694861B2 (en) * 1998-10-19 2004-02-24 Control Products Inc. Precision sensor for a hydraulic cylinder
US7290476B1 (en) * 1998-10-20 2007-11-06 Control Products, Inc. Precision sensor for a hydraulic cylinder
DE10028930A1 (de) * 2000-06-10 2002-01-03 Deere & Co Bodenbearbeitungsgerät
WO2003029753A2 (en) * 2001-10-03 2003-04-10 Measurement Specialties, Inc. Modular non-contacting position sensor
US7552671B2 (en) * 2002-01-04 2009-06-30 Parker-Hannifin Corporation Cylinder with fiber optical position sensing device and method
EP1461585B1 (de) * 2002-01-04 2010-12-08 Parker Hannifin Corporation Zylinder mit optischer erfassungsvorrichtung und verfahren
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
US6935204B2 (en) 2003-10-31 2005-08-30 Caterpillar Inc Automated manual transmission and shift method
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
US7300289B2 (en) * 2005-09-30 2007-11-27 Control Products Inc. Electrical cordset having connector with integral signal conditioning circuitry
DE102005058776B4 (de) * 2005-12-09 2018-03-01 Zf Friedrichshafen Ag Vorrichtung zum Steuern und/oder Regeln eines hydraulisch betätigbaren Schaltelementes einer Getriebeeinrichtung und Getriebeeinrichtung
DE202006001807U1 (de) 2006-02-02 2007-06-06 Sensor-Technik Wiedemann Gmbh Meßanordnung mit Magnet
SE529291C2 (sv) * 2006-06-27 2007-06-19 Hagloef Sweden Ab Elektroniskt måttband
DE102006062129B4 (de) 2006-12-22 2010-08-05 Wirtgen Gmbh Straßenbaumaschine sowie Verfahren zur Messung der Frästiefe
US8482607B2 (en) * 2008-03-10 2013-07-09 Timothy David Webster Position sensing of a piston in a hydraulic cylinder using a photo image sensor
US7982459B2 (en) * 2008-06-30 2011-07-19 Eaton Corporation Hydraulic cylinder rod position sensing method
US8146417B2 (en) * 2009-06-03 2012-04-03 Control Products, Inc. Hydraulic accumulator with position sensor
BE1018847A3 (nl) * 2009-07-30 2011-10-04 Cnh Belgium Nv Een balenpers met een frictiesensor.
US8156798B1 (en) * 2010-07-09 2012-04-17 Hongfeng Bi High pressure high temperature fluid densitometer
US8558408B2 (en) 2010-09-29 2013-10-15 General Electric Company System and method for providing redundant power to a device
US20120134783A1 (en) 2010-11-30 2012-05-31 General Electric Company System and method for operating a compressor
US8278779B2 (en) 2011-02-07 2012-10-02 General Electric Company System and method for providing redundant power to a device
CA2876197C (en) * 2012-06-26 2020-04-21 Control Products, Inc. System and method of manufacture for a linear position sensor
US10279443B2 (en) 2014-06-02 2019-05-07 Reel Power Licensing Corp. Accumulator assembly fixture
US10006763B2 (en) 2014-06-02 2018-06-26 Reel Power Licensing Corp. Accumulator assembly fixture
FR3027037B1 (fr) * 2014-10-13 2018-01-26 Groupe Mecalac Porte-outil pour engin de chantier ou de travaux publics
CN107531297A (zh) 2015-03-25 2018-01-02 哥伦比亚车辆有限公司 用于输送和转向重负载的方法和设备
US10358876B2 (en) 2015-07-22 2019-07-23 Columbia Trailer Co., Inc. Method and apparatus for transporting and steering a heavy load
US10113883B1 (en) 2016-01-08 2018-10-30 Control Products, Inc. Hybrid sensor system and method of use
US10563678B2 (en) 2016-08-09 2020-02-18 Industries Mailhot, Inc. Pressure vessel arrangement providing piston position feedback, pressure vessel, and method for providing piston position feedback in a pressure vessel
GB2554655B (en) * 2016-09-30 2019-10-02 Caterpillar Inc A hydraulic actuator arrangement
WO2020036609A1 (en) 2018-08-17 2020-02-20 Columbia Trailer Co., Inc. Method and apparatus for transporting and steering a heavy load
US10779506B1 (en) * 2018-10-24 2020-09-22 Matthew J. Ulrich Fully automated, sensor-driven, catch system for a hydraulic livestock squeeze chute
US11255059B2 (en) 2020-01-28 2022-02-22 Caterpillar Paving Products Inc. Milling machine having a non-contact leg-height measurement system
US11629735B2 (en) 2020-01-28 2023-04-18 Caterpillar Paving Products Inc. Milling machine having a fluid flow based height measurement system
US11692563B2 (en) 2020-01-28 2023-07-04 Caterpillar Paving Products Inc. Milling machine having a valve current based height measurement system
US11578737B2 (en) 2020-03-12 2023-02-14 Caterpillar Paving Products Inc. Distance based actuator velocity calibration system
US11566387B2 (en) 2020-03-12 2023-01-31 Caterpillar Paving Products Inc. Relative velocity based actuator velocity calibration system
IT202100028070A1 (it) 2021-11-04 2023-05-04 Tpi S R L “trasduttore di posizione lineare senza contatto.”

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Also Published As

Publication number Publication date
WO2000023717A9 (en) 2001-02-01
US6234061B1 (en) 2001-05-22
AU1446900A (en) 2000-05-08
ATE350588T1 (de) 2007-01-15
EP1123464B1 (de) 2005-06-15
CA2346678A1 (en) 2000-04-27
DE69934729T2 (de) 2007-10-18
DE69925851T2 (de) 2006-05-11
DE69925851D1 (de) 2005-07-21
ATE298045T1 (de) 2005-07-15
CA2346678C (en) 2007-11-20
EP1123464A1 (de) 2001-08-16
WO2000023717A1 (en) 2000-04-27

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