FR93463E - Perfectionnements apportés aux transducteurs, notamment du type fonctionnant par courants de foucault. - Google Patents

Perfectionnements apportés aux transducteurs, notamment du type fonctionnant par courants de foucault.

Info

Publication number
FR93463E
FR93463E FR95592A FR95592A FR93463E FR 93463 E FR93463 E FR 93463E FR 95592 A FR95592 A FR 95592A FR 95592 A FR95592 A FR 95592A FR 93463 E FR93463 E FR 93463E
Authority
FR
France
Prior art keywords
transducers
eddy currents
improvements made
type operating
operating
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
Application number
FR95592A
Other languages
English (en)
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.)
Kaman Aircraft Corp
Original Assignee
Kaman Aircraft 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
Priority claimed from US250180A external-priority patent/US3238479A/en
Priority claimed from FR596A external-priority patent/FR1427236A/fr
Application filed by Kaman Aircraft Corp filed Critical Kaman Aircraft Corp
Application granted granted Critical
Publication of FR93463E publication Critical patent/FR93463E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/10—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in inductance, i.e. electric circuits therefor
    • 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
    • G01D5/2006—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 by influencing the self-induction of one or more coils
    • G01D5/202—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 by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR95592A 1963-01-08 1967-02-20 Perfectionnements apportés aux transducteurs, notamment du type fonctionnant par courants de foucault. Expired FR93463E (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US250180A US3238479A (en) 1963-01-08 1963-01-08 Transducer
FR596A FR1427236A (fr) 1964-12-31 1964-12-31 Perfectionnements apportés aux transducteurs, notamment du type fonctionnant par courants de foucault
US530652A US3336525A (en) 1963-01-08 1966-02-28 Variable impedance displacement transducer

Publications (1)

Publication Number Publication Date
FR93463E true FR93463E (fr) 1969-04-04

Family

ID=24114443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR95592A Expired FR93463E (fr) 1963-01-08 1967-02-20 Perfectionnements apportés aux transducteurs, notamment du type fonctionnant par courants de foucault.

Country Status (4)

Country Link
US (1) US3336525A (fr)
DE (1) DE1623748B2 (fr)
FR (1) FR93463E (fr)
GB (1) GB1148631A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451566A1 (fr) * 1979-03-12 1980-10-10 Effa Etudes Sarl Capteur de deplacement a courants de foucault
DE2951148C2 (de) * 1979-12-19 1984-04-19 Robert Bosch Gmbh, 7000 Stuttgart Meßeinrichtung für einen Drehwinkel und/oder ein Drehoment
US4448084A (en) * 1982-03-17 1984-05-15 Robert Bosch Gmbh Non-contacting shaft position sensor
US4563643A (en) * 1982-07-30 1986-01-07 Westinghouse Electric Corp. Eddy current proximity sensor for use in a hostile turbine environment
IT209826Z2 (it) * 1987-01-16 1988-11-04 Itt Ind Riunite Srl Dispositivo a ponte per il rilevamento dell'assetto di veicoli.
DE69019491T2 (de) * 1989-12-29 1996-02-22 Ebara Corp Verschiebungssensor vom Induktionstyp mit Unempfindlichkeit gegenüber externen magnetischen Feldern.
US5617023A (en) * 1995-02-02 1997-04-01 Otis Elevator Company Industrial contactless position sensor
US5705751A (en) * 1995-06-07 1998-01-06 Setra Systems, Inc. Magnetic diaphragm pressure transducer with magnetic field shield
US6768958B2 (en) * 2002-11-26 2004-07-27 Lsi Logic Corporation Automatic calibration of a masking process simulator
US7451659B2 (en) * 2004-09-29 2008-11-18 Loadstar Sensors, Inc. Gap-change sensing through capacitive techniques
US7353713B2 (en) 2003-04-09 2008-04-08 Loadstar Sensors, Inc. Flexible apparatus and method to enhance capacitive force sensing
US7570065B2 (en) * 2006-03-01 2009-08-04 Loadstar Sensors Inc Cylindrical capacitive force sensing device and method
US20050229878A1 (en) * 2004-03-08 2005-10-20 Taylor G B Electronic valve actuator
US20060267321A1 (en) * 2005-05-27 2006-11-30 Loadstar Sensors, Inc. On-board vehicle seat capacitive force sensing device and method
US7343814B2 (en) * 2006-04-03 2008-03-18 Loadstar Sensors, Inc. Multi-zone capacitive force sensing device and methods
GB0915670D0 (en) 2009-09-08 2009-10-07 Perception Sensors & Instrumen High temperature operation inductive positioning device
US20130181701A1 (en) * 2011-07-27 2013-07-18 Stephen L. L. Galbraith Nondestructive inspection apparatus and method for evaluating cold working effectiveness at fastener holes
US10004556B2 (en) * 2013-05-10 2018-06-26 Corinth MedTech, Inc. Tissue resecting devices and methods
IT201600078101A1 (it) * 2016-07-26 2018-01-26 Siare Engineering Int Group S R L Sensore di flusso respiratorio a perturbazione magnetica per ventilatori polmonari

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2065119A (en) * 1933-06-30 1936-12-22 Steel And Tubes Inc Flaw detection
US2510073A (en) * 1947-05-19 1950-06-06 Clark James Pressure actuated pickup device
US3058076A (en) * 1959-04-04 1962-10-09 Erhard Mettler Electrical measuring device for a precision balance
US3101462A (en) * 1961-08-25 1963-08-20 Northrop Corp Linear motion, signal-producing, magnetic transducer
US3238479A (en) * 1963-01-08 1966-03-01 Kaman Aircraft Corp Transducer

Also Published As

Publication number Publication date
US3336525A (en) 1967-08-15
GB1148631A (en) 1969-04-16
DE1623748B2 (de) 1978-02-23
DE1623748A1 (de) 1971-02-25

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