CH558532A - DEVICE FOR MEASURING THE EFFECT OF EDDY CURRENTS IN AN UNMAGNETIC, ELECTRICALLY CONDUCTIVE MATERIAL PART. - Google Patents

DEVICE FOR MEASURING THE EFFECT OF EDDY CURRENTS IN AN UNMAGNETIC, ELECTRICALLY CONDUCTIVE MATERIAL PART.

Info

Publication number
CH558532A
CH558532A CH551273A CH551273A CH558532A CH 558532 A CH558532 A CH 558532A CH 551273 A CH551273 A CH 551273A CH 551273 A CH551273 A CH 551273A CH 558532 A CH558532 A CH 558532A
Authority
CH
Switzerland
Prior art keywords
unmagnetic
measuring
effect
conductive material
electrically conductive
Prior art date
Application number
CH551273A
Other languages
German (de)
Original Assignee
Simmonds Precision Products
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 Simmonds Precision Products filed Critical Simmonds Precision Products
Publication of CH558532A publication Critical patent/CH558532A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/028—Electrodynamic magnetometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/484—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by contact-making switches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
CH551273A 1972-04-20 1973-04-17 DEVICE FOR MEASURING THE EFFECT OF EDDY CURRENTS IN AN UNMAGNETIC, ELECTRICALLY CONDUCTIVE MATERIAL PART. CH558532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24586372A 1972-04-20 1972-04-20

Publications (1)

Publication Number Publication Date
CH558532A true CH558532A (en) 1975-01-31

Family

ID=22928395

Family Applications (1)

Application Number Title Priority Date Filing Date
CH551273A CH558532A (en) 1972-04-20 1973-04-17 DEVICE FOR MEASURING THE EFFECT OF EDDY CURRENTS IN AN UNMAGNETIC, ELECTRICALLY CONDUCTIVE MATERIAL PART.

Country Status (7)

Country Link
JP (1) JPS4947807A (en)
CA (1) CA984463A (en)
CH (1) CH558532A (en)
DE (1) DE2319927A1 (en)
FR (1) FR2181078B1 (en)
GB (1) GB1386035A (en)
IT (1) IT984760B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182322A1 (en) * 1984-11-20 1986-05-28 Kabushiki Kaisha S.G. Rotational position detection device

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2288313A1 (en) * 1974-10-17 1976-05-14 Jaeger Magnetic angular velocity or position sensor - has two cores with coils differently spaced from toothed ferromagnetic wheel
US4258279A (en) * 1978-09-05 1981-03-24 Orin W. Coburn Magnetic sensor assembly
GB2265221B (en) * 1992-03-21 1995-04-26 Schlumberger Ind Ltd Inductive sensors
GB2408802A (en) * 2003-12-03 2005-06-08 Weston Aerospace Eddy current sensors
CA2647306C (en) 2007-12-21 2018-09-04 Weston Aerospace Limited Method and apparatus for monitoring the rotational speed of a shaft
GB2455797B (en) 2007-12-21 2010-04-28 Weston Aerospace Ltd Method and apparatus for monitoring the rotational speed of a shaft
GB2455798B (en) 2007-12-21 2010-04-28 Weston Aerospace Ltd Method and apparatus for monitoring a rotating shaft
GB2455801B (en) 2007-12-21 2010-04-28 Weston Aerospace Ltd Method and apparatus for monitoring the rotational speed of a shaft
GB2455800B (en) 2007-12-21 2010-07-21 Weston Aerospace Ltd Method and apparatus for monitoring the rotational speed of a shaft
US7948229B2 (en) * 2008-08-29 2011-05-24 General Electric Company High temperature electronics for passive eddy current sensors
JP2012501445A (en) * 2008-08-29 2012-01-19 ゼネラル・エレクトリック・カンパニイ System and method for detecting the periodic position of an object
DE102010061955B4 (en) 2010-11-25 2014-03-13 Rolls-Royce Deutschland Ltd & Co Kg Inductive sensor
GB2576471A (en) 2018-01-09 2020-02-26 Weston Aerospace Ltd Magnetic gas turbine sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933173C (en) * 1950-10-14 1955-09-22 Siemens Ag Test device, especially for electric traction vehicles, to display the rotary movement of a shaft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182322A1 (en) * 1984-11-20 1986-05-28 Kabushiki Kaisha S.G. Rotational position detection device

Also Published As

Publication number Publication date
IT984760B (en) 1974-11-20
FR2181078A1 (en) 1973-11-30
GB1386035A (en) 1975-03-05
CA984463A (en) 1976-02-24
DE2319927A1 (en) 1973-10-31
FR2181078B1 (en) 1977-09-02
JPS4947807A (en) 1974-05-09

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Legal Events

Date Code Title Description
PL Patent ceased