GB1077540A - Improvements in electric motors - Google Patents

Improvements in electric motors

Info

Publication number
GB1077540A
GB1077540A GB1946765A GB1946765A GB1077540A GB 1077540 A GB1077540 A GB 1077540A GB 1946765 A GB1946765 A GB 1946765A GB 1946765 A GB1946765 A GB 1946765A GB 1077540 A GB1077540 A GB 1077540A
Authority
GB
United Kingdom
Prior art keywords
stator
winding
windings
end rings
rotor
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
GB1946765A
Inventor
Donald Midgley
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.)
Ranco Motors Ltd
Original Assignee
Ranco Motors 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 Ranco Motors Ltd filed Critical Ranco Motors Ltd
Priority to GB1946765A priority Critical patent/GB1077540A/en
Priority to ES0326307A priority patent/ES326307A1/en
Publication of GB1077540A publication Critical patent/GB1077540A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/12—Asynchronous induction motors for multi-phase current
    • H02K17/14—Asynchronous induction motors for multi-phase current having windings arranged for permitting pole-changing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

1,077,540. Induction motors; core constructions. RANCO MOTORS Ltd. May 5, 1966 [May 7, 1965], No. 19467/65. Heading H2A. A two-speed induction motor has an annular stator (a) with one winding (j) on its outer periphery and a second winding (h) on its inner periphery and a rotor having two parts (c), (b) mounted to rotate together and co-operating respectively with the stator windings. The outer stator periphery is preferably wound to provide more poles than the inner winding when energized and the two windings are electrically separate. End rings (r), (s), Figs. 3-5 (not shown), may be secured at the ends of the stack of stator laminations by rivets or alternatively the end rings may be cast on to the stack of laminations and the finished stator is secured to an end plate of the motor by bolts. Alternatively the endplate may be cast integrally with the end rings to mount the stator. One of the rotor parts may be finned to draw air past the stator windings and various methods of joining the two rotor parts together and to the shaft are described.
GB1946765A 1965-05-07 1965-05-07 Improvements in electric motors Expired GB1077540A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1946765A GB1077540A (en) 1965-05-07 1965-05-07 Improvements in electric motors
ES0326307A ES326307A1 (en) 1965-05-07 1966-05-04 A two-speed induction motor. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1946765A GB1077540A (en) 1965-05-07 1965-05-07 Improvements in electric motors

Publications (1)

Publication Number Publication Date
GB1077540A true GB1077540A (en) 1967-08-02

Family

ID=10129853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1946765A Expired GB1077540A (en) 1965-05-07 1965-05-07 Improvements in electric motors

Country Status (2)

Country Link
ES (1) ES326307A1 (en)
GB (1) GB1077540A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574210A (en) * 1983-07-07 1986-03-04 Wilhelm Gebhardt Gmbh External rotor motor having a cooling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574210A (en) * 1983-07-07 1986-03-04 Wilhelm Gebhardt Gmbh External rotor motor having a cooling system

Also Published As

Publication number Publication date
ES326307A1 (en) 1967-03-01

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