IT1089889B - IMPROVEMENT IN SPEED MEASUREMENT DEVICES - Google Patents

IMPROVEMENT IN SPEED MEASUREMENT DEVICES

Info

Publication number
IT1089889B
IT1089889B IT5100577A IT5100577A IT1089889B IT 1089889 B IT1089889 B IT 1089889B IT 5100577 A IT5100577 A IT 5100577A IT 5100577 A IT5100577 A IT 5100577A IT 1089889 B IT1089889 B IT 1089889B
Authority
IT
Italy
Prior art keywords
improvement
measurement devices
speed measurement
speed
devices
Prior art date
Application number
IT5100577A
Other languages
Italian (it)
Original Assignee
Smiths Industries Ltd
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 Industries Ltd filed Critical Smiths Industries Ltd
Application granted granted Critical
Publication of IT1089889B publication Critical patent/IT1089889B/en

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)
IT5100577A 1976-09-13 1977-09-13 IMPROVEMENT IN SPEED MEASUREMENT DEVICES IT1089889B (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
IT1089889B true IT1089889B (en) 1985-06-18

Family

ID=10399985

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5100577A IT1089889B (en) 1976-09-13 1977-09-13 IMPROVEMENT IN SPEED MEASUREMENT DEVICES

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
FR2364458A1 (en) 1978-04-07
DE2741140A1 (en) 1978-03-16
GB1532878A (en) 1978-11-22

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