ES399774A1 - Devices for determining the speed of a rotating disc - Google Patents

Devices for determining the speed of a rotating disc

Info

Publication number
ES399774A1
ES399774A1 ES399774A ES399774A ES399774A1 ES 399774 A1 ES399774 A1 ES 399774A1 ES 399774 A ES399774 A ES 399774A ES 399774 A ES399774 A ES 399774A ES 399774 A1 ES399774 A1 ES 399774A1
Authority
ES
Spain
Prior art keywords
interruptions
disk
pole pieces
disc
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
ES399774A
Other languages
Spanish (es)
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.)
Automobiles Citroen SA
Original Assignee
Automobiles Citroen SA
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 Automobiles Citroen SA filed Critical Automobiles Citroen SA
Publication of ES399774A1 publication Critical patent/ES399774A1/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)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

A device for measuring the speed of a rotating disc, made of ferromagnetic material, in which the disc is provided on its surface with equidistant interruptions arranged according to a crown centered on the axis of rotation of the disc and comprising an electro-sensor. magnetic comprising a magnet provided with pole pieces whose ends are arranged opposite the path of the disk interruptions so that the magnetic flux passes through this disk, and at least one of which is provided with a coil, characterized in that each of the pole pieces ends in two portions angularly separated from each other at an angle equal to (see formula) so that two air gaps are constituted, where p is the angular step of the disk interruptions and n is an integer that can be equal to zero, and because the two portions of one of the pole pieces each carry a coil, the two coils being wound in the opposite direction and connected in series. (Machine-translation by Google Translate, not legally binding)
ES399774A 1971-03-04 1972-02-14 Devices for determining the speed of a rotating disc Expired ES399774A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7108194A FR2131799B1 (en) 1971-03-04 1971-03-04

Publications (1)

Publication Number Publication Date
ES399774A1 true ES399774A1 (en) 1974-12-01

Family

ID=9073236

Family Applications (1)

Application Number Title Priority Date Filing Date
ES399774A Expired ES399774A1 (en) 1971-03-04 1972-02-14 Devices for determining the speed of a rotating disc

Country Status (7)

Country Link
BE (1) BE779189A (en)
DE (1) DE2210440A1 (en)
ES (1) ES399774A1 (en)
FR (1) FR2131799B1 (en)
GB (1) GB1309619A (en)
IT (1) IT950663B (en)
SE (1) SE371016B (en)

Families Citing this family (1)

* 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB789804A (en) * 1954-04-30 1958-01-29 Seton Creaghe Engineering Ltd A new or improved device for generating sonic frequency signals

Also Published As

Publication number Publication date
SE371016B (en) 1974-11-04
FR2131799A1 (en) 1972-11-17
GB1309619A (en) 1973-03-14
DE2210440A1 (en) 1972-11-02
BE779189A (en) 1972-05-30
FR2131799B1 (en) 1974-03-01
IT950663B (en) 1973-06-20

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