DE60335238D1 - Zylinder mit optischer erfassungsvorrichtung und verfahren - Google Patents

Zylinder mit optischer erfassungsvorrichtung und verfahren

Info

Publication number
DE60335238D1
DE60335238D1 DE60335238T DE60335238T DE60335238D1 DE 60335238 D1 DE60335238 D1 DE 60335238D1 DE 60335238 T DE60335238 T DE 60335238T DE 60335238 T DE60335238 T DE 60335238T DE 60335238 D1 DE60335238 D1 DE 60335238D1
Authority
DE
Germany
Prior art keywords
cylinder
detection device
optical detection
optical
detection
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
DE60335238T
Other languages
English (en)
Inventor
Ulrich W Neumann
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.)
Parker Hannifin Corp
Original Assignee
Parker Hannifin 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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Application granted granted Critical
Publication of DE60335238D1 publication Critical patent/DE60335238D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34746—Linear encoders
    • G01D5/34761—Protection devices, e.g. caps; Blowing devices
    • G01D5/34769—Sealing means
    • 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
    • F15B15/2846—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using detection of markings, e.g. markings on the piston rod
    • 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
    • F15B15/2869—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves
    • F15B15/2876—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves using optical means, e.g. laser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34746—Linear encoders
DE60335238T 2002-01-04 2003-01-02 Zylinder mit optischer erfassungsvorrichtung und verfahren Expired - Lifetime DE60335238D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34622402P 2002-01-04 2002-01-04
PCT/US2003/000157 WO2003058161A1 (en) 2002-01-04 2003-01-02 Cylinder with optical sensing device and method

Publications (1)

Publication Number Publication Date
DE60335238D1 true DE60335238D1 (de) 2011-01-20

Family

ID=23358474

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60335238T Expired - Lifetime DE60335238D1 (de) 2002-01-04 2003-01-02 Zylinder mit optischer erfassungsvorrichtung und verfahren

Country Status (5)

Country Link
US (2) US6834574B2 (de)
EP (1) EP1461585B1 (de)
AU (1) AU2003202877A1 (de)
DE (1) DE60335238D1 (de)
WO (1) WO2003058161A1 (de)

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WO2012112994A1 (en) 2011-02-18 2012-08-23 Parker-Hannifin Corporation Optical sensor and mounting interface
EP2676108B1 (de) 2011-02-18 2016-04-20 Parker-Hannifin Corporation Gehäuse eines optischen sensors mit integrierten fenster und mit merkmalen zur optischen ausrichtung
US9422950B2 (en) 2011-02-18 2016-08-23 Parker-Hannifin Corporation Floating optical sensor mount
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US20130073242A1 (en) * 2011-09-21 2013-03-21 Honeywell International Inc. Small volume prover apparatus and method for measuring flow rate
US10087958B2 (en) 2012-04-19 2018-10-02 Cascade Corporation Fluid power control system for mobile load handling equipment
US8967035B2 (en) * 2012-05-24 2015-03-03 Caterpillar Inc. Sensor coupler for piston-cylinder assembly
KR20150080190A (ko) * 2013-12-30 2015-07-09 현대자동차주식회사 사판의 기울기를 조절하는 가변 압축 시스템
CN103742478B (zh) * 2014-01-02 2016-06-08 国家电网公司 一种多功能液压丝杠
US9309099B2 (en) 2014-06-20 2016-04-12 Cascade Corporation Side-shift limiter
US9593942B2 (en) 2014-10-06 2017-03-14 Caterpillar Inc. Cylinder position determination using fiber optic shape sensing
GB2537339A (en) * 2014-12-15 2016-10-19 Parker Hannifin Mfg Ltd A cylinder with position feedback sensor
DE102015104201A1 (de) 2015-03-20 2016-09-22 Jungheinrich Aktiengesellschaft Fluidzylinder
DE102015121571A1 (de) * 2015-09-16 2017-03-16 Weber-Hydraulik Gmbh Optischer Sensor, insbesondere für Zylinder, sowie Verwendung
WO2017123400A1 (en) * 2016-01-11 2017-07-20 Parker-Hannifin Corporation Optical sensor mounting interface with integrated hydraulic vent
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
DE102016117800A1 (de) 2016-09-21 2018-03-22 Jungheinrich Aktiengesellschaft Fluidzylinder mit einer optischen Sensoreinheit
CN112313435A (zh) * 2018-06-18 2021-02-02 维京帕公司 双重密封润滑填料压盖和旋转套筒
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US11828306B2 (en) 2021-04-30 2023-11-28 Industries Mailhot Inc. Method and a system for position measurement of a piston rod of a hydraulic cylinder

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Also Published As

Publication number Publication date
AU2003202877A1 (en) 2003-07-24
EP1461585B1 (de) 2010-12-08
WO2003058161A1 (en) 2003-07-17
US20030131724A1 (en) 2003-07-17
US7047865B2 (en) 2006-05-23
EP1461585A1 (de) 2004-09-29
US20050120875A1 (en) 2005-06-09
US6834574B2 (en) 2004-12-28

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