GB491469A - Improvements in and relating to alternating current motors - Google Patents

Improvements in and relating to alternating current motors

Info

Publication number
GB491469A
GB491469A GB18327/37A GB1832737A GB491469A GB 491469 A GB491469 A GB 491469A GB 18327/37 A GB18327/37 A GB 18327/37A GB 1832737 A GB1832737 A GB 1832737A GB 491469 A GB491469 A GB 491469A
Authority
GB
United Kingdom
Prior art keywords
rotor
braking
stator
july
engaging
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
GB18327/37A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB491469A publication Critical patent/GB491469A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021—Magnetically influenced friction brakes
    • H02K7/1026—Magnetically influenced friction brakes using stray fields
    • H02K7/1028—Magnetically influenced friction brakes using stray fields axially attracting the brake armature in the frontal area of the magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Induction Machinery (AREA)

Abstract

491,469. Electric motors. BRITISH THOMSON-HOUSTON CO., Ltd. July 1, 1937, No. 18327. Convention date, July 1, 1936. [Class 35] In a three-phase squirrel-cage motor of the type in which a braking-member sliding on the shaft is disengaged by the magnetic action of the rotor core when the current is switched on the rotor core is furnished with a hollow conical portion with which a corresponding portion of the braking member engages. In the arrangement shown the sliding member is provided with a braking surface p engaging a fixed member g and a conical part f entering and engaging with an extension h on the rotor to complete the magnetic circuit therethrough. The extension h of the rotor is separated from the main portion a by a laminated non-magnetic portion d and an air-gap l separates the stator into two corresponding portions; both the rotor and stator windings pass through the extended portion of the rotor and stator respectively.
GB18327/37A 1936-07-01 1937-07-01 Improvements in and relating to alternating current motors Expired GB491469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE491469X 1936-07-01

Publications (1)

Publication Number Publication Date
GB491469A true GB491469A (en) 1938-09-02

Family

ID=6544282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18327/37A Expired GB491469A (en) 1936-07-01 1937-07-01 Improvements in and relating to alternating current motors

Country Status (1)

Country Link
GB (1) GB491469A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480291A (en) * 1943-11-08 1949-08-30 Const Electro Mechaniques De S Electric motor and brake unit
US2482840A (en) * 1945-07-25 1949-09-27 Bendix Aviat Corp Electric motor brake
US2490456A (en) * 1947-09-16 1949-12-06 Floyd E Niederhiser Motor and brake device
US2536491A (en) * 1945-08-31 1951-01-02 Garrett Corp Motor having an electromagnetic brake
US2679603A (en) * 1952-06-21 1954-05-25 Bendix Aviat Corp Motor armature brake

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480291A (en) * 1943-11-08 1949-08-30 Const Electro Mechaniques De S Electric motor and brake unit
US2482840A (en) * 1945-07-25 1949-09-27 Bendix Aviat Corp Electric motor brake
US2536491A (en) * 1945-08-31 1951-01-02 Garrett Corp Motor having an electromagnetic brake
US2490456A (en) * 1947-09-16 1949-12-06 Floyd E Niederhiser Motor and brake device
US2679603A (en) * 1952-06-21 1954-05-25 Bendix Aviat Corp Motor armature brake

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