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GB765627A - Improvements in and relating to the rotors of electric motors - Google Patents

Improvements in and relating to the rotors of electric motors

Info

Publication number
GB765627A
GB765627A GB7118/55A GB711855A GB765627A GB 765627 A GB765627 A GB 765627A GB 7118/55 A GB7118/55 A GB 7118/55A GB 711855 A GB711855 A GB 711855A GB 765627 A GB765627 A GB 765627A
Authority
GB
United Kingdom
Prior art keywords
rotor
rods
march
flanges
plastic material
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
GB7118/55A
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.)
OUTIL ELECTR SILEX
Original Assignee
OUTIL ELECTR SILEX
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 OUTIL ELECTR SILEX filed Critical OUTIL ELECTR SILEX
Publication of GB765627A publication Critical patent/GB765627A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Dc Machiner (AREA)

Abstract

765,627. Dynamo-electric machines. OUTILLAGE ELECTRIQUE SILEX. March 10, 1955 [March 16, 1954], No. 7118/55. Class 35. A laminated toothed rotor has its laminations 1 held together by flanges 8, 9 of plastic material integral with a plastic body 12 which is injected under pressure inside the rotor bore 2. The flanges 8, 9 are joined together at their periphery by strips of plastic material running along the rotor slots 11. Circumferentially spaced copper rods 3 are embedded in the body 12 from which they protrude at both ends. The projecting rod ends 13 form commutator segments while the opposite ends are reduced in diameter and formed with connecting pins 14. The ends of the rotor individual coils are joined to the pins 14 to form a closed coil arrangement. The rods 3, instead of having a circular cross section, may have a tapering section so that the gap between two adjacent rods is constant in radial direction, also the rods 3 may have a longitudinal groove as in Figs. 5, 6 (not shown) to improve the strength of the commutator. The plastic body 12 is formed so as to receive a shaft 5 and the extension 20 of the body 12 serves as a supporting journal for the rotor.
GB7118/55A 1954-03-16 1955-03-10 Improvements in and relating to the rotors of electric motors Expired GB765627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR765627X 1954-03-16

Publications (1)

Publication Number Publication Date
GB765627A true GB765627A (en) 1957-01-09

Family

ID=9182875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7118/55A Expired GB765627A (en) 1954-03-16 1955-03-10 Improvements in and relating to the rotors of electric motors

Country Status (1)

Country Link
GB (1) GB765627A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240968A (en) * 1962-11-08 1966-03-15 Consolidation Coal Co Externally cooled induction motor
GB2140217A (en) * 1983-05-19 1984-11-21 Seiko Instr & Electronics Direct-current core-less motor
GB2141590A (en) * 1983-03-31 1984-12-19 Seiko Instr & Electronics Rotor for an electric motor
US11152826B2 (en) 2017-07-21 2021-10-19 Goodrich Actuation Systems S.A.S. Rotors for electrical machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240968A (en) * 1962-11-08 1966-03-15 Consolidation Coal Co Externally cooled induction motor
GB2141590A (en) * 1983-03-31 1984-12-19 Seiko Instr & Electronics Rotor for an electric motor
GB2140217A (en) * 1983-05-19 1984-11-21 Seiko Instr & Electronics Direct-current core-less motor
US11152826B2 (en) 2017-07-21 2021-10-19 Goodrich Actuation Systems S.A.S. Rotors for electrical machines

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