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GB827269A - Method of making induction-motor squirrel cages - Google Patents

Method of making induction-motor squirrel cages

Info

Publication number
GB827269A
GB827269A GB4298/58A GB429858A GB827269A GB 827269 A GB827269 A GB 827269A GB 4298/58 A GB4298/58 A GB 4298/58A GB 429858 A GB429858 A GB 429858A GB 827269 A GB827269 A GB 827269A
Authority
GB
United Kingdom
Prior art keywords
tube
laminations
making induction
squirrel cages
grooves
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
GB4298/58A
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.)
KETAY Ltd
Original Assignee
KETAY 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 KETAY Ltd filed Critical KETAY Ltd
Publication of GB827269A publication Critical patent/GB827269A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0012—Manufacturing cage rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Induction Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

827,269. Making dynamo-electric machines. KETAY Ltd. Feb. 10, 1958 [May 13, 1957], No. 4298/58. Class 83 (2). [Also in Group XXXV] A squirrel-cage rotor is made by forming grooves 20 on the inner surface of a tube 22 of conducting material, e.g. aluminium, copper or brass, and inserting therein toothed laminations 10 mounted on an arbor 12, with a key 14 to ensure alignment. The tube is slightly longer than the stack of laminations and its ends are spun over to form end rings. The outer surface of the tube is then machined to expose the laminations, the lands 24 remaining to form rotor bars. The grooved tube may be extruded, or be a broached tube, and the grooves may be skewed.
GB4298/58A 1957-05-13 1958-02-10 Method of making induction-motor squirrel cages Expired GB827269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US827269XA 1957-05-13 1957-05-13

Publications (1)

Publication Number Publication Date
GB827269A true GB827269A (en) 1960-02-03

Family

ID=22173042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4298/58A Expired GB827269A (en) 1957-05-13 1958-02-10 Method of making induction-motor squirrel cages

Country Status (1)

Country Link
GB (1) GB827269A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10951101B2 (en) 2015-12-08 2021-03-16 Rolls-Royce Plc Induction motor rotor and a method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10951101B2 (en) 2015-12-08 2021-03-16 Rolls-Royce Plc Induction motor rotor and a method of manufacturing the same

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