FR2364458A1 - SPEED INDICATOR - Google Patents

SPEED INDICATOR

Info

Publication number
FR2364458A1
FR2364458A1 FR7727488A FR7727488A FR2364458A1 FR 2364458 A1 FR2364458 A1 FR 2364458A1 FR 7727488 A FR7727488 A FR 7727488A FR 7727488 A FR7727488 A FR 7727488A FR 2364458 A1 FR2364458 A1 FR 2364458A1
Authority
FR
France
Prior art keywords
speed
poles
varies
function
stator
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.)
Withdrawn
Application number
FR7727488A
Other languages
French (fr)
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Publication of FR2364458A1 publication Critical patent/FR2364458A1/en
Withdrawn legal-status Critical Current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
    • G01P3/46—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage
    • G01P3/465—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage by using dynamo-electro tachometers or electric generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/12—Transversal flux machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un indicateur de vitesse. Ledit indicateur comporte un rotor tournant à une vitesse qui varie en fonction de la vitesse à mesurer et qui comporte plusieurs pôles disposés alternativement autour de sa périphérie, un stator ayant des pôles intercalés et un enroulement électrique dans lequel doit être induite une tension électrique qui varie en fonction de la vitesse de rotation du rotor et donc de la vitesse de mesurer, les pôles statoriques étant coniques à leurs extrémités libres. Application aux tachymètres.The invention relates to a speedometer. Said indicator comprises a rotor rotating at a speed which varies as a function of the speed to be measured and which comprises several poles arranged alternately around its periphery, a stator having intercalated poles and an electric winding in which an electric voltage which varies must be induced. as a function of the speed of rotation of the rotor and therefore of the speed of measurement, the stator poles being conical at their free ends. Application to tachometers.

FR7727488A 1976-09-13 1977-09-12 SPEED INDICATOR Withdrawn FR2364458A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3792576A GB1532878A (en) 1976-09-13 1976-09-13 Speed measuring apparatus

Publications (1)

Publication Number Publication Date
FR2364458A1 true FR2364458A1 (en) 1978-04-07

Family

ID=10399985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727488A Withdrawn FR2364458A1 (en) 1976-09-13 1977-09-12 SPEED INDICATOR

Country Status (4)

Country Link
DE (1) DE2741140A1 (en)
FR (1) FR2364458A1 (en)
GB (1) GB1532878A (en)
IT (1) IT1089889B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523374C2 (en) * 1985-06-29 1994-03-24 Teves Gmbh Alfred Sensor for an inductive speed measuring device

Also Published As

Publication number Publication date
DE2741140A1 (en) 1978-03-16
IT1089889B (en) 1985-06-18
GB1532878A (en) 1978-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse