GB404276A - Improvements in and relating to commutators for dynamo electric machines - Google Patents

Improvements in and relating to commutators for dynamo electric machines

Info

Publication number
GB404276A
GB404276A GB19003/32A GB1900332A GB404276A GB 404276 A GB404276 A GB 404276A GB 19003/32 A GB19003/32 A GB 19003/32A GB 1900332 A GB1900332 A GB 1900332A GB 404276 A GB404276 A GB 404276A
Authority
GB
United Kingdom
Prior art keywords
commutators
relating
electric machines
dynamo electric
july
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
GB19003/32A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB404276A publication Critical patent/GB404276A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators

Landscapes

  • Glass Compositions (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

404,276. Commutators for dynamoelectric machines. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.-(Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl- Ufer, Berlin.) July 5, 1932, No. 19003. Convention date, July 7, 1931. [Class 35.] The segments of a commutator are embedded in insulating-material comprising a composition of glass and mica with or without admixture of asbestos. The manufacture of a suitable material is described in Specification 152,780, [Class 56, Glass].
GB19003/32A 1931-07-07 1932-07-05 Improvements in and relating to commutators for dynamo electric machines Expired GB404276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE404276X 1931-07-07

Publications (1)

Publication Number Publication Date
GB404276A true GB404276A (en) 1934-01-05

Family

ID=6421767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19003/32A Expired GB404276A (en) 1931-07-07 1932-07-05 Improvements in and relating to commutators for dynamo electric machines

Country Status (1)

Country Link
GB (1) GB404276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871936A (en) * 1987-11-05 1989-10-03 Mitsubishi Denki Kabushiki Kaisha Commutator for a starter motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871936A (en) * 1987-11-05 1989-10-03 Mitsubishi Denki Kabushiki Kaisha Commutator for a starter motor

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