GB1295557A - - Google Patents

Info

Publication number
GB1295557A
GB1295557A GB1295557DA GB1295557A GB 1295557 A GB1295557 A GB 1295557A GB 1295557D A GB1295557D A GB 1295557DA GB 1295557 A GB1295557 A GB 1295557A
Authority
GB
United Kingdom
Prior art keywords
cylinder
piston
contact
high pressure
valve
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
Other languages
English (en)
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 filed Critical
Publication of GB1295557A publication Critical patent/GB1295557A/en
Expired legal-status Critical Current

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
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
    • H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas

Landscapes

  • Circuit Breakers (AREA)
GB1295557D 1970-08-07 1971-05-28 Expired GB1295557A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1191170A CH519778A (de) 1970-08-07 1970-08-07 Druckgasschalter

Publications (1)

Publication Number Publication Date
GB1295557A true GB1295557A (enrdf_load_stackoverflow) 1972-11-08

Family

ID=4378092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295557D Expired GB1295557A (enrdf_load_stackoverflow) 1970-08-07 1971-05-28

Country Status (5)

Country Link
US (1) US3686453A (enrdf_load_stackoverflow)
CH (1) CH519778A (enrdf_load_stackoverflow)
DE (2) DE7033575U (enrdf_load_stackoverflow)
FR (1) FR2103943A5 (enrdf_load_stackoverflow)
GB (1) GB1295557A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562334Y2 (enrdf_load_stackoverflow) * 1972-09-07 1981-01-20
CH626189A5 (enrdf_load_stackoverflow) * 1978-04-19 1981-10-30 Sprecher & Schuh Ag
JPH0642347B2 (ja) * 1981-11-12 1994-06-01 三菱電機株式会社 開閉装置
EP1675145A1 (de) * 2004-12-23 2006-06-28 ABB Technology AG Hochleistungsschalter mit Dichtung gegen Heissgas
EP2309526B1 (de) 2009-10-08 2012-10-03 ABB Technology AG Leistungsschalter mit parallelen Nennstrompfaden

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB872864A (en) * 1956-11-08 1961-07-12 Ass Elect Ind Improvements in and relating to air or gas blast circuit-breakers
DE1465363B2 (de) * 1964-03-14 1970-06-11 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Druckgasschalter
US3529108A (en) * 1966-09-01 1970-09-15 Westinghouse Electric Corp Nozzle and contact construction for fluid-blast circuit interrupters
US3590187A (en) * 1970-01-21 1971-06-29 Westinghouse Electric Corp Separable contact and blast-valve structure for a compressed-gas circuit breaker
DE3621861A1 (de) 1986-06-30 1988-01-14 Laszlo Dr Med Ilg Verwendung von aryloxycarbonsaeure-derivaten gegen dermatologische erkrankungen

Also Published As

Publication number Publication date
CH519778A (de) 1972-02-29
DE2044643B2 (de) 1980-09-18
DE2044643C3 (de) 1981-05-14
DE2044643A1 (de) 1972-02-10
FR2103943A5 (enrdf_load_stackoverflow) 1972-04-14
US3686453A (en) 1972-08-22
DE7033575U (de) 1972-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee