IT570073A - - Google Patents

Info

Publication number
IT570073A
IT570073A IT570073DA IT570073A IT 570073 A IT570073 A IT 570073A IT 570073D A IT570073D A IT 570073DA IT 570073 A IT570073 A IT 570073A
Authority
IT
Italy
Application number
Other languages
Italian (it)
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.)
Publication of IT570073A publication Critical patent/IT570073A/it

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
IT570073D 1956-04-17 IT570073A (ja)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT570073A true IT570073A (ja)

Family

ID=10367562

Family Applications (1)

Application Number Title Priority Date Filing Date
IT570073D IT570073A (ja) 1956-04-17

Country Status (8)

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

Families Citing this family (43)

* 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 (ja) * 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
FR1385794A (fr) * 1963-01-30 1965-01-15 Thomson Houston Comp Francaise Perfectionnements apportés à un interrupteur de circuit électrique du type interrupteur à vide
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 (de) * 1976-05-03 1978-11-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Sinterverbundwerkstoff als Kontaktwerkstoff für Vakuum-Mittelspannungs-Leistungsschalter
US4376235A (en) * 1981-02-12 1983-03-08 Westinghouse Electric Corp. Electrical junction of high conductivity for a circuit breaker or other electrical apparatus
US4384179A (en) * 1981-02-12 1983-05-17 Westinghouse Electric Corp. Stiff flexible connector for a circuit breaker or other electrical apparatus
DE3215020A1 (de) * 1982-04-22 1983-10-27 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Vakuumschalter
DE3528890A1 (de) * 1985-08-12 1987-02-19 Siemens Ag Kontaktstueck
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
DE50000498D1 (de) * 1999-03-29 2002-10-17 Siemens Ag Schaltkontakt für elektrische schaltgeräte

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 (ja) * 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

Also Published As

Publication number Publication date
FR1175455A (fr) 1959-03-26
NL216321A (ja)
BE556719A (ja)
DE1048625B (ja)
US2900476A (en) 1959-08-18
GB835253A (en) 1960-05-18
CH345930A (fr) 1960-04-30

Similar Documents

Publication Publication Date Title
DE1048625B (ja)
AT197311B (ja)
FR1164090A (ja)
AT202855B (ja)
AT216255B (ja)
AT199361B (ja)
AT202354B (ja)
AT198114B (ja)
AT213780B (ja)
DE1045453C2 (ja)
AT197702B (ja)
AT202279B (ja)
AT201309B (ja)
AT198814B (ja)
AT211020B (ja)
AT199904B (ja)
AT201431B (ja)
AT199054B (ja)
AT198988B (ja)
AT198966B (ja)
AT198891B (ja)
AT198843B (ja)
AT198832B (ja)
AT198038B (ja)
AT198677B (ja)