GB584361A - Improvements in and relating to electrical contact elements - Google Patents

Improvements in and relating to electrical contact elements

Info

Publication number
GB584361A
GB584361A GB26150/44A GB2615044A GB584361A GB 584361 A GB584361 A GB 584361A GB 26150/44 A GB26150/44 A GB 26150/44A GB 2615044 A GB2615044 A GB 2615044A GB 584361 A GB584361 A GB 584361A
Authority
GB
United Kingdom
Prior art keywords
relating
electrical contact
contact elements
graphite
gassing
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
GB26150/44A
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 GB584361A publication Critical patent/GB584361A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

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

Abstract

A brush or contact, particularly for a dynamo-electric machine comprises graphite or other porous conducting material and cadmium oxide. The graphite, after de-gassing may be immersed in the iodide at 385-500 DEG C. under pressure.
GB26150/44A 1943-12-30 1944-12-29 Improvements in and relating to electrical contact elements Expired GB584361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US584361XA 1943-12-30 1943-12-30

Publications (1)

Publication Number Publication Date
GB584361A true GB584361A (en) 1947-01-13

Family

ID=22016788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26150/44A Expired GB584361A (en) 1943-12-30 1944-12-29 Improvements in and relating to electrical contact elements

Country Status (1)

Country Link
GB (1) GB584361A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500955A1 (en) * 1981-03-02 1982-09-03 Cherry Electrical Prod LONG-TERM ELECTRICAL CONTACT AND METHOD OF MANUFACTURING THE SAME
EP1876614A2 (en) * 2006-07-05 2008-01-09 General Electric Company Contact material, device including contact material, and method of making
US8054148B2 (en) 2006-07-05 2011-11-08 General Electric Company Contact material, device including contact material, and method of making

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500955A1 (en) * 1981-03-02 1982-09-03 Cherry Electrical Prod LONG-TERM ELECTRICAL CONTACT AND METHOD OF MANUFACTURING THE SAME
EP1876614A2 (en) * 2006-07-05 2008-01-09 General Electric Company Contact material, device including contact material, and method of making
EP1876614A3 (en) * 2006-07-05 2008-09-24 General Electric Company Contact material, device including contact material, and method of making
US8054148B2 (en) 2006-07-05 2011-11-08 General Electric Company Contact material, device including contact material, and method of making

Similar Documents

Publication Publication Date Title
ES380162A1 (en) Terminal for aluminum wire
GB584361A (en) Improvements in and relating to electrical contact elements
GB590561A (en) Improvements in and relating to electric contact elements
CH277794A (en) Pressure and current transmission device on brush holders for electric collector machines.
CH367239A (en) Electrical machine, in particular synchronous machine, with excitation via rotating rectifiers
GB813649A (en) Improvements in or relating to electrical contact brushes
ES252607A1 (en) Improvements in or relating to carbon brushes for the commutators of electrical machines
ES257296A1 (en) Method for the production of assemblies comprising titanium
FR1224775A (en) Electric welder anode sharpener
CH372762A (en) Ignition device for electrical discharge vessels with an ignition electrode immersed in the catholyte
FR1199230A (en) Improvement in electric contact brushes
DK67059C (en) Carbon grinding for electrical Machines and Appliances.
BE618407A (en) Hand-operated crimping tool, usable in particular for making electrical connections
JPS5248896A (en) Electrolytic grinding tool
CH261233A (en) Arrangement for the electrical connection of rotating parts to stationary, current-carrying parts without the use of sliding contacts in decimeter wave devices.
DK67904C (en) Charcoal grinding for electrical machines and appliances.
AT196497B (en) Device for holding carbon brushes on small electrical machines, in particular built-in machines
GB840979A (en) Improvements in or relating to storage battery electrodes
JPS5245006A (en) Commutator motor
CH239279A (en) Method for assembling small electrical machines, and small electrical machine produced according to this method.
AT183345B (en) Surface grinding machine with electrical switching or measuring device
ES174875A1 (en) IMPROVEMENTS IN ELECTRICAL CURRENT ACCUMULATORS, CONTAINING AN IMMOBILIZED ELECTROLYTE.
AU118578B2 (en) Improvements in totally enclosed dynamo electric machines
AU116592B2 (en) Improvements in totally enclosed dynamo electric machines
BE581572A (en) Perfected rotating electrical machines.