NL72111C - - Google Patents

Info

Publication number
NL72111C
NL72111C NL72111DA NL72111C NL 72111 C NL72111 C NL 72111C NL 72111D A NL72111D A NL 72111DA NL 72111 C NL72111 C NL 72111C
Authority
NL
Netherlands
Application number
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 NL72111C publication Critical patent/NL72111C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/167—Impedances connected with contacts the impedance being inserted only while opening the switch
NL72111D 1946-05-21 NL72111C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850315X 1946-05-21

Publications (1)

Publication Number Publication Date
NL72111C true NL72111C (enrdf_load_html_response)

Family

ID=9316835

Family Applications (1)

Application Number Title Priority Date Filing Date
NL72111D NL72111C (enrdf_load_html_response) 1946-05-21

Country Status (5)

Country Link
US (1) US2551772A (enrdf_load_html_response)
BE (1) BE473294A (enrdf_load_html_response)
DE (1) DE850315C (enrdf_load_html_response)
FR (2) FR928563A (enrdf_load_html_response)
NL (1) NL72111C (enrdf_load_html_response)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604562A (en) * 1949-01-29 1952-07-22 Gen Electric Electric circuit interrupter
US2678983A (en) * 1950-05-16 1954-05-18 Westinghouse Electric Corp Compressed gas circuit interrupter
US2739207A (en) * 1951-09-28 1956-03-20 Westinghouse Electric Corp Circuit interrupters
GB710925A (en) * 1951-10-26 1954-06-23 Westinghouse Electric Int Co Improvements in or relating to electric circuit interrupter devices
US2682591A (en) * 1952-05-24 1954-06-29 Porter Co Inc H K Interrupter shield
US2788418A (en) * 1954-03-22 1957-04-09 Gertrude M Idzkowski Circuit interrupter
US2855487A (en) * 1955-03-14 1958-10-07 Asea Ab Oil circuit breaker with two extinguishing chambers
US2964602A (en) * 1956-04-02 1960-12-13 Joe Davidson Snap acting mechanism
US2933575A (en) * 1956-10-22 1960-04-19 Westinghouse Electric Corp Circuit interrupters
BE564098A (enrdf_load_html_response) * 1957-01-22
CH380212A (de) * 1960-03-16 1964-07-31 Oerlikon Maschf Löscheinrichtung für Leistungsschalter mit feststehenden und bewegten Kontakten
NL34485C (enrdf_load_html_response) * 1967-01-09
DE2140284A1 (de) * 1971-08-06 1973-02-15 Siemens Ag Elektrischer druckgasschalter
DE2733551A1 (de) * 1977-07-25 1979-02-08 Siemens Ag Druckgasschalter
FR2444333A1 (fr) * 1978-12-11 1980-07-11 Merlin Gerin Interrupteur a autosoufflage a mise en depression de la chambre de coupure
CH656976A5 (de) * 1981-06-30 1986-07-31 Bbc Brown Boveri & Cie Kompressionskolbenschalter.
ATE161356T1 (de) * 1991-05-24 1998-01-15 Giampietro Tosi Schwefelhexafluoridisolierter mittelspannungsschalter mit drei positionen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US525332A (en) * 1894-04-14 1894-09-04 Electric switch
US1563833A (en) * 1919-12-05 1925-12-01 Electrical Engineer S Equipmen High-tension air-break switch
DE619806C (de) * 1934-03-09 1935-10-10 Delle Atel Const Electr Elektrischer Schalter mit Lichtbogenloeschung durch Druckluft
US2279024A (en) * 1939-01-20 1942-04-07 Gen Electric Electric circuit interrupter
US2286131A (en) * 1939-09-20 1942-06-09 Westinghouse Electric & Mfg Co Disconnecting switch
US2264862A (en) * 1940-01-10 1941-12-02 Gen Electric Electric switch
BE447706A (enrdf_load_html_response) * 1942-07-30

Also Published As

Publication number Publication date
FR928563A (fr) 1947-12-02
US2551772A (en) 1951-05-08
BE473294A (enrdf_load_html_response)
FR56787E (fr) 1952-10-06
DE850315C (de) 1952-09-22

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