GB741445A - Apparatus for determining angular displacements of bodies - Google Patents

Apparatus for determining angular displacements of bodies

Info

Publication number
GB741445A
GB741445A GB1693653A GB1693653A GB741445A GB 741445 A GB741445 A GB 741445A GB 1693653 A GB1693653 A GB 1693653A GB 1693653 A GB1693653 A GB 1693653A GB 741445 A GB741445 A GB 741445A
Authority
GB
United Kingdom
Prior art keywords
stator
shaft
angular velocity
motor
relative
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
GB1693653A
Inventor
Horst Dieter Lux
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1693653A priority Critical patent/GB741445A/en
Publication of GB741445A publication Critical patent/GB741445A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01P3/02—Devices characterised by the use of mechanical means
    • G01P3/16—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses
    • G01P3/22—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses transferred to the indicator by electric or magnetic means
    • 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
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages

Abstract

741,445. Electric indicating systems. MACKENZIE, M. June 11, 1954 [June 18, 1953], No. 16936/53. Class 40(1) Apparatus for determining the angular displacement of the stator of a motor 10 (Fig. 1) comprises two generators 12, 13 arranged to give A.C. voltages whoses frequencies are dependent on the absolute angular velocity of the rotor shaft 11, and on the angular velocity of the shaft 11 relative to the stator respectively, those voltages being combined at 16 to give a DC voltage indicative of the difference in frequencies and therefore indicative of the angular velocity of the stator of motor 10, which is integrated at 18 to indicate at 19 the total angular displacement of the stator. The generator 12 may comprise an oscillator 24 (Fig. 2) whose frequency is determined by a capacitor 22 having one rigid plate 21 and one curved, flexible plate 20 attached to the shaft 11, so that when the shaft rotates the curved plate 20 tends to flatten thereby varying the oscillatory frequency of oscillator 24. The generator 13 may comprise a pick-up coil 27 (Fig. 3) fixed relative to the stator of motor 10 and located adjacent to a wheel 25 attached to the shaft 11 and having a number of permanent-magnet teeth 26 on the periphery whereby the frequency of the signals induced in the pick-up 27 is proportional to the angular velocity of the stator relative to the rotating shaft.
GB1693653A 1953-06-18 1953-06-18 Apparatus for determining angular displacements of bodies Expired GB741445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1693653A GB741445A (en) 1953-06-18 1953-06-18 Apparatus for determining angular displacements of bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1693653A GB741445A (en) 1953-06-18 1953-06-18 Apparatus for determining angular displacements of bodies

Publications (1)

Publication Number Publication Date
GB741445A true GB741445A (en) 1955-12-07

Family

ID=10086339

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1693653A Expired GB741445A (en) 1953-06-18 1953-06-18 Apparatus for determining angular displacements of bodies

Country Status (1)

Country Link
GB (1) GB741445A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500095A1 (en) * 1981-02-19 1982-08-20 Fuji Heavy Ind Ltd DEVICE FOR PREVENTING OVERHEATING OF A CLUTCH
EP0311357A2 (en) * 1987-10-05 1989-04-12 British Aerospace Public Limited Company Roll rate sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500095A1 (en) * 1981-02-19 1982-08-20 Fuji Heavy Ind Ltd DEVICE FOR PREVENTING OVERHEATING OF A CLUTCH
EP0311357A2 (en) * 1987-10-05 1989-04-12 British Aerospace Public Limited Company Roll rate sensor
EP0311357A3 (en) * 1987-10-05 1991-05-02 British Aerospace Public Limited Company Roll rate sensor

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