GB235022A - Improvements relating to magnetic type speedometers and speed indicators - Google Patents

Improvements relating to magnetic type speedometers and speed indicators

Info

Publication number
GB235022A
GB235022A GB1639624A GB1639624A GB235022A GB 235022 A GB235022 A GB 235022A GB 1639624 A GB1639624 A GB 1639624A GB 1639624 A GB1639624 A GB 1639624A GB 235022 A GB235022 A GB 235022A
Authority
GB
United Kingdom
Prior art keywords
speed indicators
armature
improvements relating
magnetic type
drag element
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
GB1639624A
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 GB1639624A priority Critical patent/GB235022A/en
Publication of GB235022A publication Critical patent/GB235022A/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
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

235,022. Higginson, J. July 8, 1924. Electric and magnetic speed indicators.-In an eddy-current speed indicator, two annular magnets a, b, separated by a spacer d and having their pole gaps at opposite points are mounted on a carrier c which rotates on a fixed spindle h and is driven by gearing e, f. A graduated armature k partially surrounding the drag element j is axially movable for the purpose of adjusting the instrument. It may be adjusted automatically according to temperature conditions. The drag element i is restrained by an adjustable spring s and a stop pin determines its zero position. According to the Provisional Specification the armature k may be gapped. Mileage counters are provided.
GB1639624A 1924-07-08 1924-07-08 Improvements relating to magnetic type speedometers and speed indicators Expired GB235022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1639624A GB235022A (en) 1924-07-08 1924-07-08 Improvements relating to magnetic type speedometers and speed indicators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1639624A GB235022A (en) 1924-07-08 1924-07-08 Improvements relating to magnetic type speedometers and speed indicators

Publications (1)

Publication Number Publication Date
GB235022A true GB235022A (en) 1925-06-11

Family

ID=10076566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1639624A Expired GB235022A (en) 1924-07-08 1924-07-08 Improvements relating to magnetic type speedometers and speed indicators

Country Status (1)

Country Link
GB (1) GB235022A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783401A (en) * 1952-09-11 1957-02-26 Standard Oil Co Seal and magnetic drive
GB2268586A (en) * 1992-07-11 1994-01-12 Delco Electronic Overseas Corp Speedometer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783401A (en) * 1952-09-11 1957-02-26 Standard Oil Co Seal and magnetic drive
GB2268586A (en) * 1992-07-11 1994-01-12 Delco Electronic Overseas Corp Speedometer
GB2268586B (en) * 1992-07-11 1995-06-07 Delco Electronic Overseas Corp Speedometer

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