GB592356A - Improvements in and relating to electric contact elements - Google Patents

Improvements in and relating to electric contact elements

Info

Publication number
GB592356A
GB592356A GB19416/44A GB1941644A GB592356A GB 592356 A GB592356 A GB 592356A GB 19416/44 A GB19416/44 A GB 19416/44A GB 1941644 A GB1941644 A GB 1941644A GB 592356 A GB592356 A GB 592356A
Authority
GB
United Kingdom
Prior art keywords
relating
contact elements
electric contact
metal
sulphide
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
GB19416/44A
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 GB592356A publication Critical patent/GB592356A/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
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/20—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof
    • H01R39/22—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof incorporating lubricating or polishing ingredient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/027—Composite material containing carbon particles or fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Contacts (AREA)
  • Conductive Materials (AREA)

Abstract

A contact or brush consists of carbonaceous material and metal, e.g., copper finely powdered with a sulphide of another metal of lower melting point, e.g., silver, cadmium, molybdenum, zinc or lead. The sulphide may be formed from sulphur and metal during the manufacture of the brush.
GB19416/44A 1943-10-08 1944-10-09 Improvements in and relating to electric contact elements Expired GB592356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US505535A US2418810A (en) 1943-10-08 1943-10-08 Contact element

Publications (1)

Publication Number Publication Date
GB592356A true GB592356A (en) 1947-09-16

Family

ID=24010706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19416/44A Expired GB592356A (en) 1943-10-08 1944-10-09 Improvements in and relating to electric contact elements

Country Status (2)

Country Link
US (1) US2418810A (en)
GB (1) GB592356A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125537B (en) * 1955-05-10 1962-03-15 Gen Electric Contact brush made of carbon for electrical machines

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599582A (en) * 1952-06-10 Method for producing impregnated
US2854597A (en) * 1955-01-24 1958-09-30 Bendix Aviat Corp Lubrication of rubbing surfaces
DE1174895B (en) * 1958-04-29 1964-07-30 Lorraine Carbone Carbon brushes for electrical purposes, particularly for use at high altitudes and in dilute atmospheres, and processes for their manufacture
US3003975A (en) * 1958-11-26 1961-10-10 Myron A Coler Conductive plastic composition and method of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1121960A (en) * 1910-10-12 1914-12-22 Gen Electric Molded metallic article and method of making the same.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125537B (en) * 1955-05-10 1962-03-15 Gen Electric Contact brush made of carbon for electrical machines

Also Published As

Publication number Publication date
US2418810A (en) 1947-04-15

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