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GB835253A - Improvements relating to vacuum electric switches - Google Patents

Improvements relating to vacuum electric switches

Info

Publication number
GB835253A
GB835253A GB11677/56A GB1167756A GB835253A GB 835253 A GB835253 A GB 835253A GB 11677/56 A GB11677/56 A GB 11677/56A GB 1167756 A GB1167756 A GB 1167756A GB 835253 A GB835253 A GB 835253A
Authority
GB
United Kingdom
Prior art keywords
tungsten
copper
volts
voltages
bodies
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
GB11677/56A
Inventor
Michael Peter Reece
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.)
Electr & Allied Ind Res Ass
Original Assignee
Electr & Allied Ind Res Ass
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 Electr & Allied Ind Res Ass filed Critical Electr & Allied Ind Res Ass
Publication of GB835253A publication Critical patent/GB835253A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

835,253. Vacuum switches; contact members for switches. BRITISH ELECTRICAL & ALLIED INDUSTRIES RESEARCH ASSOCIATION. April 3, 1957 [April 17, 1956], No. 11677/56. Class 38 (5). In a vacuum switch for A.C. operation each contact comprises a mechanically strong conducting body 26 having in its operating face 28 one or more recesses 29 containing a non-fluid material 30 which has a lower arcing voltage than that of the body and which is capable of constituting an adherent conducting film on the operating faces during operations of the switch. To interrupt voltages of the order of 400 volts the material in the recesses may be arsenic, bismuth or an amalgam of mercury, the bodies of the contacts being of copper steel, molybdenum, tungsten or a sintered mixture of copper and tungsten; to interrupt voltages of the order of 3300 volts, the material may be lead, cadmium, sodium or zinc and the bodies of copper, steel molybdenum, tungsten, aluminium or a sintered mixture of copper and tungsten; for voltages of the order of 6600 volts, the material may be magnesium or tin and the bodies of copper, steel, molybdenum, tungsten or a sintered mixture of copper and tungsten; for voltages of the order of 11,000 volts the material may be aluminium or silver and the bodies of steel molybdenum or tungsten; and for voltages of the order of 22,000 volts the material may be copper and the bodies of steel, molybdenum or tungsten.
GB11677/56A 1956-04-17 1956-04-17 Improvements relating to vacuum electric switches Expired GB835253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB345930X 1956-04-17

Publications (1)

Publication Number Publication Date
GB835253A true GB835253A (en) 1960-05-18

Family

ID=10367562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11677/56A Expired GB835253A (en) 1956-04-17 1956-04-17 Improvements relating to vacuum electric switches

Country Status (8)

Country Link
US (1) US2900476A (en)
BE (1) BE556719A (en)
CH (1) CH345930A (en)
DE (1) DE1048625B (en)
FR (1) FR1175455A (en)
GB (1) GB835253A (en)
IT (1) IT570073A (en)
NL (1) NL216321A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210933B (en) * 1963-01-30 1966-06-17 Gen Electric Vacuum switch

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975254A (en) * 1958-06-25 1961-03-14 Allis Chalmers Mfg Co Spring bearing for vacuumized electric devices
NL241567A (en) * 1958-07-24
US3021407A (en) * 1958-09-16 1962-02-13 Jennings Radio Mfg Corp Vacuumized electric switch
US2979587A (en) * 1958-10-28 1961-04-11 Jennings Radio Mfg Corp Vacuum electric switch
US2979588A (en) * 1958-12-09 1961-04-11 Jennings Radio Mfg Corp Vacuum switch
US3014107A (en) * 1959-01-02 1961-12-19 Gen Electric Vacuum switch
US3151225A (en) * 1960-03-07 1964-09-29 Gerhard W Senlen Shielding means for an electromagnetic electrical contactor
US3026394A (en) * 1959-11-10 1962-03-20 Jennings Radio Mfg Corp Vacuumized electric switch
US3038980A (en) * 1959-12-17 1962-06-12 Gen Electric Vacuum-type circuit interrupter
US3089936A (en) * 1960-02-23 1963-05-14 Gen Electric Contact structure for an electric circuit interrupter
US3163736A (en) * 1961-05-23 1964-12-29 S & C Electric Co High voltage gas type circuit interrupter
GB978973A (en) * 1961-06-30 1965-01-01 English Electric Co Ltd Improvements in and relating to vacuum electric switches
US3182156A (en) * 1961-09-19 1965-05-04 Gen Electric Vacuum-type circuit interrupter
US3234351A (en) * 1961-10-19 1966-02-08 Gen Electric Vacuum devices having arc electrodes free of adsorbed gas and gas-forming constituents
US3163734A (en) * 1962-01-26 1964-12-29 Gen Electric Vacuum-type circuit interrupter with improved vapor-condensing shielding
US3210505A (en) * 1962-04-03 1965-10-05 Gen Electric Electrode structure for an electric circuit interrupter
US3185797A (en) * 1962-07-17 1965-05-25 Gen Electric Vacuum-type circuit interrupter with improved arc splitting means
US3140374A (en) * 1962-09-20 1964-07-07 Fred H Cole Circuit breaker interrupter
GB993737A (en) * 1963-04-23 1965-06-02 Ass Elect Ind Improvements relating to vacuum switch contacts
US3194932A (en) * 1963-05-07 1965-07-13 Bell Telephone Labor Inc Contacts for mercury switches including mercury recovery cowls
GB1087074A (en) * 1963-07-18 1967-10-11 Ass Elect Ind Improvements relating to vacuum switch contacts
GB1065886A (en) * 1963-10-11 1967-04-19 Ass Elect Ind Improvements relating to vacuum-switch contacts
US3225167A (en) * 1964-03-16 1965-12-21 Gen Electric Vacuum circuit breaker with arc rotation contact means
GB1100259A (en) * 1965-02-16 1968-01-24 Ass Elect Ind Improvements relating to vacuum switch contacts
GB1142200A (en) * 1965-11-17 1969-02-05 Ass Elect Ind Improvements relating to vacuum switch contacts
GB1194674A (en) * 1966-05-27 1970-06-10 English Electric Co Ltd Vacuum Type Electric Circuit Interrupting Devices
US3454811A (en) * 1967-04-18 1969-07-08 Bell Telephone Labor Inc Gas tube surge (overload) protection device
US3612795A (en) * 1969-01-09 1971-10-12 Westinghouse Electric Corp Shielding arrangements for vacuum-type circuit interrupters of the two-contact type
US3670129A (en) * 1970-08-17 1972-06-13 Westinghouse Electric Corp Electrical contact members
US3674969A (en) * 1971-08-04 1972-07-04 Honeywell Inc Stainless steel snap acting mechanism with low resistance electrical path
US3783213A (en) * 1972-04-27 1974-01-01 Gen Electric Vacuum type electric circuit interrupter
US3980850A (en) * 1974-12-19 1976-09-14 Westinghouse Electric Corporation Vacuum interrupter with cup-shaped contact having an inner arc controlling electrode
US4061894A (en) * 1976-04-28 1977-12-06 General Electric Company Vacuum-type circuit interrupter with improved protection for bellows
DE2619459C3 (en) * 1976-05-03 1978-11-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Sintered composite material as a contact material for vacuum medium-voltage circuit breakers
US4384179A (en) * 1981-02-12 1983-05-17 Westinghouse Electric Corp. Stiff flexible connector for a circuit breaker or other electrical apparatus
US4376235A (en) * 1981-02-12 1983-03-08 Westinghouse Electric Corp. Electrical junction of high conductivity for a circuit breaker or other electrical apparatus
DE3215020A1 (en) * 1982-04-22 1983-10-27 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Vacuum switch
DE3528890A1 (en) * 1985-08-12 1987-02-19 Siemens Ag Contact element
US4665287A (en) * 1985-11-08 1987-05-12 General Electric Company Shield assembly of a vacuum interrupter
US4695688A (en) * 1986-03-24 1987-09-22 General Electric Company Electrical contact construction
US5903203A (en) * 1997-08-06 1999-05-11 Elenbaas; George H. Electromechanical switch
WO2000058981A1 (en) * 1999-03-29 2000-10-05 Siemens Aktiengesellschaft Switching contact for electrical switching devices

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US550360A (en) * 1895-11-26 Alexander jay wurts
US1556573A (en) * 1921-09-01 1925-10-13 Westinghouse Electric & Mfg Co Thermal relay and cut-out
US1648100A (en) * 1925-04-17 1927-11-08 Aichele Ernest Composition of matter
BE350293A (en) * 1927-04-20
GB293018A (en) * 1927-07-01 1929-08-29 Arthur Scherbius Improvements in and relating to electric switches
US1906602A (en) * 1930-08-06 1933-05-02 Gen Electric Lightning arrester
US2064998A (en) * 1935-08-27 1936-12-22 Otis Elevator Co Switch contact
US2234834A (en) * 1937-10-09 1941-03-11 Westinghouse Electric & Mfg Co Electrical contact
US2253401A (en) * 1937-10-09 1941-08-19 Westinghouse Electric & Mfg Co Circuit interrupter contact
US2294783A (en) * 1940-04-13 1942-09-01 Westinghouse Electric & Mfg Co Contact member
US2370400A (en) * 1941-09-25 1945-02-27 Ite Circuit Breaker Ltd Contact materials
GB591183A (en) * 1944-01-08 1947-08-11 Rene Pointout Improvements in electric contacts
US2641670A (en) * 1950-08-22 1953-06-09 Gibson Electric Company Serrated contact
US2794885A (en) * 1954-12-13 1957-06-04 Jennings Radio Mfg Corp Vacuum switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210933B (en) * 1963-01-30 1966-06-17 Gen Electric Vacuum switch

Also Published As

Publication number Publication date
US2900476A (en) 1959-08-18
NL216321A (en)
CH345930A (en) 1960-04-30
IT570073A (en)
DE1048625B (en)
FR1175455A (en) 1959-03-26
BE556719A (en)

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