FR2298081B1 - - Google Patents

Info

Publication number
FR2298081B1
FR2298081B1 FR7501154A FR7501154A FR2298081B1 FR 2298081 B1 FR2298081 B1 FR 2298081B1 FR 7501154 A FR7501154 A FR 7501154A FR 7501154 A FR7501154 A FR 7501154A FR 2298081 B1 FR2298081 B1 FR 2298081B1
Authority
FR
France
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
FR7501154A
Other languages
French (fr)
Other versions
FR2298081A1 (fr
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.)
Poclain SA
Original Assignee
Poclain SA
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 Poclain SA filed Critical Poclain SA
Priority to FR7501154A priority Critical patent/FR2298081A1/fr
Priority to US05/648,023 priority patent/US4127814A/en
Priority to JP51002521A priority patent/JPS5196345A/ja
Priority to BR7600205A priority patent/BR7600205A/pt
Priority to DE19762601274 priority patent/DE2601274A1/de
Publication of FR2298081A1 publication Critical patent/FR2298081A1/fr
Application granted granted Critical
Publication of FR2298081B1 publication Critical patent/FR2298081B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • 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
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR7501154A 1975-01-15 1975-01-15 Detecteur de position relative de deux pieces Granted FR2298081A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7501154A FR2298081A1 (fr) 1975-01-15 1975-01-15 Detecteur de position relative de deux pieces
US05/648,023 US4127814A (en) 1975-01-15 1976-01-12 Detector for discriminating between two metals on a relatively moving member by being positioned at a distance where it senses one but not the other
JP51002521A JPS5196345A (en) 1975-01-15 1976-01-13 * ****ka***********ki***ko**
BR7600205A BR7600205A (pt) 1975-01-15 1976-01-14 Detetor de posicao relativo de duas pecas
DE19762601274 DE2601274A1 (de) 1975-01-15 1976-01-15 Detektorvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7501154A FR2298081A1 (fr) 1975-01-15 1975-01-15 Detecteur de position relative de deux pieces

Publications (2)

Publication Number Publication Date
FR2298081A1 FR2298081A1 (fr) 1976-08-13
FR2298081B1 true FR2298081B1 (Direct) 1979-05-25

Family

ID=9149831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501154A Granted FR2298081A1 (fr) 1975-01-15 1975-01-15 Detecteur de position relative de deux pieces

Country Status (5)

Country Link
US (1) US4127814A (Direct)
JP (1) JPS5196345A (Direct)
BR (1) BR7600205A (Direct)
DE (1) DE2601274A1 (Direct)
FR (1) FR2298081A1 (Direct)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209599B (it) * 1984-11-15 1989-08-30 Siette Spa Sistema di rilevamento di livello per veicoli.
SE450295B (sv) * 1984-12-21 1987-06-15 Enpece Ab Sett och anordning for metning av volymen av en gas i en behallare
DE3634730A1 (de) * 1986-10-11 1988-04-21 Klaus Huegler Arbeitszylinder, insbesondere pneumatikzylinder fuer komponenten von handlingautomaten
DE3636871C2 (de) * 1986-10-30 1995-08-31 Beukenberg Maschf Kolben-Zylinder-Einheit mit einem Stellungsgeber
DE3826561A1 (de) * 1988-08-04 1990-02-08 Rexroth Mannesmann Gmbh Kapazitiver wegaufnehmer
US4909536A (en) * 1988-10-24 1990-03-20 Monroe Auto Equipment Electronic height sensor
US4944356A (en) * 1988-12-28 1990-07-31 Ford Motor Company Steering system position detector
FR2655724B1 (fr) * 1989-12-12 1993-11-19 Ferco Internal Usine Ferrures Ba Procede et dispositif de reconnaissance de differents elements de dimension standardisee, notamment de cadres de chassis de fenetres en cours de fabrication.
IT1238726B (it) * 1990-05-03 1993-09-01 Alessandro Dreoni Sensore di prossimita' induttivo e trasduttore di posizione con scala passiva
US5125681A (en) * 1990-11-26 1992-06-30 Monroe Auto Equipment Company Method and apparatus for determining the displacement of a piston within a shock absorber
JPH07332911A (ja) * 1994-06-03 1995-12-22 Sony Corp 軸位置検出用センサー
EP0743508A2 (en) * 1995-05-16 1996-11-20 Mitutoyo Corporation Induced current position transducer
US5973494A (en) * 1996-05-13 1999-10-26 Mitutoyo Corporation Electronic caliper using a self-contained, low power inductive position transducer
US6002250A (en) * 1996-05-13 1999-12-14 Mitutoyo Corporation Electronic linear scale using a self-contained, low-power inductive position transducer
US5886519A (en) * 1997-01-29 1999-03-23 Mitutoyo Corporation Multi-scale induced current absolute position transducer
ITUA20162127A1 (it) * 2016-03-30 2017-09-30 Giuliani S R L Apparato e metodo per misurare spostamenti di un pistone di un cilindro

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628539A (en) * 1945-01-04 1953-02-17 Neergaard Leif Eric De Method and means for recording and reproducing displacements
DD10407A (Direct) * 1953-01-21
US3176241A (en) * 1961-04-07 1965-03-30 Jimmie S Hogan Magnetic switching device
NL132754C (Direct) * 1965-04-29

Also Published As

Publication number Publication date
BR7600205A (pt) 1976-08-31
US4127814A (en) 1978-11-28
FR2298081A1 (fr) 1976-08-13
DE2601274A1 (de) 1976-07-22
JPS5196345A (en) 1976-08-24

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse