CA947839A - Electro-magnetic speed sensor with constant air gap - Google Patents

Electro-magnetic speed sensor with constant air gap

Info

Publication number
CA947839A
CA947839A CA040,833A CA40833A CA947839A CA 947839 A CA947839 A CA 947839A CA 40833 A CA40833 A CA 40833A CA 947839 A CA947839 A CA 947839A
Authority
CA
Canada
Prior art keywords
electro
air gap
speed sensor
constant air
magnetic speed
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
CA040,833A
Other versions
CA40833S (en
Inventor
John A. Watt
Hugh E. Riordan
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.)
Kelsey Hayes Co
Original Assignee
Kelsey Hayes Co
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 Kelsey Hayes Co filed Critical Kelsey Hayes Co
Application granted granted Critical
Publication of CA947839A publication Critical patent/CA947839A/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
    • G01P3/42—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
    • G01P3/488—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 variable reluctance detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
CA040,833A 1968-07-01 1969-01-22 Electro-magnetic speed sensor with constant air gap Expired CA947839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74173568A 1968-07-01 1968-07-01

Publications (1)

Publication Number Publication Date
CA947839A true CA947839A (en) 1974-05-21

Family

ID=24981959

Family Applications (1)

Application Number Title Priority Date Filing Date
CA040,833A Expired CA947839A (en) 1968-07-01 1969-01-22 Electro-magnetic speed sensor with constant air gap

Country Status (4)

Country Link
CA (1) CA947839A (en)
DE (1) DE1911488B2 (en)
FR (1) FR1604318A (en)
GB (1) GB1241095A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2111499B2 (en) * 1971-03-10 1973-09-06 ELECTRIC SPEED SENSOR
US3949841A (en) * 1975-05-07 1976-04-13 Rockwell International Corporation Wheel speed sensor for drive axle
CH680328B5 (en) * 1990-12-04 1993-02-15 Ebauchesfabrik Eta Ag
DE4320939A1 (en) * 1993-06-24 1995-01-05 Freudenberg Carl Fa poetry
DE102006023554A1 (en) 2006-05-19 2007-11-22 Zf Friedrichshafen Ag Determining the speed of a gear shaft
DE102006023553A1 (en) * 2006-05-19 2007-11-22 Zf Friedrichshafen Ag Transmission with a Drehzahlabgriffseinrichtung
DE102006023552A1 (en) 2006-05-19 2007-11-22 Zf Friedrichshafen Ag Method for determining the speed of the main shaft of a transmission and transmission with a Drehzahlabgriffseinrichtung
FI3713058T3 (en) * 2019-03-20 2023-04-27 Leine & Linde Ab Adaptive installation rotary encoder

Also Published As

Publication number Publication date
DE1911488A1 (en) 1970-02-19
GB1241095A (en) 1971-07-28
DE1911488B2 (en) 1971-11-18
FR1604318A (en) 1971-10-11

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