ITRM930842A0 - Rivelatore della posizione assiale di un'asta, in particolare lo stelodi un pistone. - Google Patents

Rivelatore della posizione assiale di un'asta, in particolare lo stelodi un pistone.

Info

Publication number
ITRM930842A0
ITRM930842A0 ITRM930842A ITRM930842A ITRM930842A0 IT RM930842 A0 ITRM930842 A0 IT RM930842A0 IT RM930842 A ITRM930842 A IT RM930842A IT RM930842 A ITRM930842 A IT RM930842A IT RM930842 A0 ITRM930842 A0 IT RM930842A0
Authority
IT
Italy
Prior art keywords
rod
piston
detector
axial position
axial
Prior art date
Application number
ITRM930842A
Other languages
English (en)
Inventor
Masakazu Nakazato
Youichi Shimoura
Masamichi Sugihara
Original Assignee
Kayaba Industry Co Ltd
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
Priority claimed from JP04344902A external-priority patent/JP3136012B2/ja
Priority claimed from JP08754493A external-priority patent/JP3184361B2/ja
Application filed by Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Publication of ITRM930842A0 publication Critical patent/ITRM930842A0/it
Publication of ITRM930842A1 publication Critical patent/ITRM930842A1/it
Application granted granted Critical
Publication of IT1261951B publication Critical patent/IT1261951B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks
    • 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
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • 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
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—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 using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Actuator (AREA)
ITRM930842A 1992-12-24 1993-12-22 Rivelatore della posizione assiale di un'asta, in particolare lo stelodi un pistone. IT1261951B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04344902A JP3136012B2 (ja) 1992-12-24 1992-12-24 位置検出装置
JP08754493A JP3184361B2 (ja) 1993-04-14 1993-04-14 位置検出装置

Publications (3)

Publication Number Publication Date
ITRM930842A0 true ITRM930842A0 (it) 1993-12-22
ITRM930842A1 ITRM930842A1 (it) 1995-06-22
IT1261951B IT1261951B (it) 1996-06-04

Family

ID=26428807

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM930842A IT1261951B (it) 1992-12-24 1993-12-22 Rivelatore della posizione assiale di un'asta, in particolare lo stelodi un pistone.

Country Status (4)

Country Link
US (1) US5497083A (it)
KR (1) KR970007064B1 (it)
DE (1) DE4344290C2 (it)
IT (1) IT1261951B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532903A1 (de) * 1995-09-07 1997-03-13 Teves Gmbh Alfred Lenkwinkelsensor mit Absolutwertmessung
DE19733885A1 (de) * 1997-08-05 1999-02-11 Horst Nahr Ges Fuer Elektronis Verfahren zum Messen von Wegen und Drehwinkeln an bewegten Gegenständen mit einer hartmagnetischen Oberfläche und Vorrichtung zur Durchführung des Verfahrens
JPH11160009A (ja) * 1997-10-31 1999-06-18 Samsung Heavy Ind Co Ltd ストロークセンシングシリンダの絶対位置検出方法
WO1999042790A1 (de) 1998-02-21 1999-08-26 Dr. Johannes Heidenhain Gmbh Verfahren zum betrieb eines positionsmesssystems und geeignete positionsmesssystem hierzu
JP4174095B2 (ja) * 1998-03-31 2008-10-29 ソニーマニュファクチュアリングシステムズ株式会社 位置検出装置
JP3292709B2 (ja) * 1999-07-01 2002-06-17 エスエムシー株式会社 計測機能付きエアチャック
CA2524264A1 (en) 2003-05-06 2004-11-18 Sri International Systems and methods of recording piston rod position information in a magnetic layer on a piston rod
EP1716399B1 (en) * 2003-12-30 2018-02-21 Ncte Ag Torque sensor
DE102004062278A1 (de) * 2004-12-23 2006-07-13 Siemens Ag Messelement und Messverfahren mit einer Spur zur Bestimmung einer Lage
US7259553B2 (en) 2005-04-13 2007-08-21 Sri International System and method of magnetically sensing position of a moving component
JP4214533B2 (ja) * 2006-08-10 2009-01-28 村田機械株式会社 移動体システム
JP4217918B2 (ja) * 2006-11-28 2009-02-04 村田機械株式会社 移動体システム
EP2163860B2 (en) * 2008-09-10 2014-03-05 Fagor, S.Coop. Optoelectronic measuring device
US8878526B2 (en) 2009-01-27 2014-11-04 Renishaw Plc Magnetic encoder apparatus
US8054068B2 (en) * 2009-02-22 2011-11-08 Hiwin Mikrosystem Corp. Magnetic absolute position sensor
CN101718516B (zh) * 2009-12-17 2011-08-24 西南交通大学 一种用于检测移动物体速度与位置的装置
US8970208B2 (en) * 2010-02-11 2015-03-03 Sri International Displacement measurement system and method using magnetic encodings
DE102013105495A1 (de) * 2013-05-28 2014-12-04 Hamilton Bonaduz Ag Kolbenhubvorrichtung mit Messanordnung
NL2013123B1 (en) * 2014-07-04 2016-07-14 Stertil Bv Lifting device and system with integrated drive unit for lifting a vehicle, and method there for.
US9823092B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
CN109238119B (zh) * 2017-12-15 2019-06-14 重庆理工大学 一种基于交变电场的绝对式时栅直线位移传感器
US10989566B2 (en) 2018-04-09 2021-04-27 Infineon Technologies Ag Magnetic sensor system for measuring linear position
US10823586B2 (en) 2018-12-26 2020-11-03 Allegro Microsystems, Llc Magnetic field sensor having unequally spaced magnetic field sensing elements
US11237020B2 (en) 2019-11-14 2022-02-01 Allegro Microsystems, Llc Magnetic field sensor having two rows of magnetic field sensing elements for measuring an angle of rotation of a magnet
US11280637B2 (en) 2019-11-14 2022-03-22 Allegro Microsystems, Llc High performance magnetic angle sensor
EP4375426A1 (en) * 2022-11-28 2024-05-29 Oilquick AB Tool holder for a machine with a positioning system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132337A (en) * 1960-09-12 1964-05-05 Ibm Variable reluctance slotted drum position indicating device
JP2554465B2 (ja) * 1985-08-09 1996-11-13 株式会社 エスジー アブソリユ−ト位置検出装置
DE3602292A1 (de) * 1986-01-25 1987-08-06 Audi Ag Geberanordnung
US4771237A (en) * 1986-02-19 1988-09-13 Panametrics Method and apparatus for calibrating a displacement probe using a polynomial equation to generate a displacement look-up table
DE8613887U1 (de) * 1986-05-22 1990-09-13 Dr. Johannes Heidenhain Gmbh, 83301 Traunreut Meßeinrichtung
JPS6395315A (ja) * 1986-10-13 1988-04-26 Hitachi Ltd 磁気的な位置検出装置
US4972332A (en) * 1987-07-28 1990-11-20 Caterpillar Inc. Apparatus for determining the speed, angular position and direction of rotation of a rotatable shaft
FR2650632B1 (fr) * 1989-08-03 1994-04-29 Renault Vehicules Ind Procede et dispositif de detection pour le pilotage d'injection electronique d'un moteur multicylindre
JP3029657B2 (ja) * 1990-09-28 2000-04-04 カヤバ工業株式会社 位置検出装置

Also Published As

Publication number Publication date
DE4344290A1 (de) 1994-06-30
KR970007064B1 (ko) 1997-05-02
KR940015460A (ko) 1994-07-21
DE4344290C2 (de) 1995-07-20
ITRM930842A1 (it) 1995-06-22
IT1261951B (it) 1996-06-04
US5497083A (en) 1996-03-05

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