CH279750A - Druckluftschalter. - Google Patents

Druckluftschalter.

Info

Publication number: CH279750A
Authority: CH; Switzerland
Prior art keywords: compressed air; air switch; switch; compressed; air
Prior art date: 1949-01-27

Application number

Other languages

German (de)

English (en)

Inventor

Aktiebolaget Allman Elektriska

Original Assignee

Asea Ab

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.)

1949-01-27

Filing date

1950-01-17

Publication date

1951-12-15

1950-01-17 Application filed by Asea Ab filed Critical Asea Ab

1951-12-15 Publication of CH279750A publication Critical patent/CH279750A/de

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
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
- H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
- 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
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring

CH279750D 1949-01-27 1950-01-17 Druckluftschalter. CH279750A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE279750X		1949-01-27

Publications (1)

Publication Number	Publication Date
CH279750A true CH279750A (de)	1951-12-15

Family

ID=20306978

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH279750D CH279750A (de)	1949-01-27	1950-01-17	Druckluftschalter.

Country Status (4)

Country	Link
US (1)	US2653204A (fr)
CH (1)	CH279750A (fr)
DE (2)	DE908878C (fr)
FR (1)	FR1009463A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2813177A (en) *	1954-03-29	1957-11-12	Kelman Electric And Mfg Compan	Circuit breaker
DE1069738B (fr) *	1956-01-17	1959-11-26
FR2623657A1 (fr) *	1987-11-19	1989-05-26	Merlin Gerin	Disjoncteur a autosoufflage par expansion de gaz isolant, equipe d'un ecran de repartition de champ electrique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE602039C (de) *	1927-10-30	1934-09-04	Siemens Schuckertwerke Akt Ges	Schalter
FR696259A (fr) *	1929-09-11	1930-12-29	Alsthom Cgee	Perfectionnement apporté aux interrupteurs électriques fonctionnant dans un gaz
DE600406C (de) *	1932-10-13	1934-07-21	Bbc Brown Boveri & Cie	Hochspannungswechselstromschalter
DE603883C (de) *	1933-03-23	1934-10-10	Bbc Brown Boveri & Cie	Schaltanordnung
DE687900C (de) *	1934-07-18	1940-02-08	Frida Strauss Geb Ruppel	Schalter mit Lichtbogenloeschung durch Druckgas
BE412834A (fr) *	1934-12-18
GB478122A (en) *	1935-06-14	1938-01-10	Siemens Ag	Improvements in and relating to arc quenching devices
GB516529A (en) *	1938-06-22	1940-01-04	Reyrolle A & Co Ltd	Improvements in or relating to electric circuit-breaking devices of the gas-blast type
GB532869A (en) *	1939-06-27	1941-02-03	British Thomson Houston Co Ltd	Improvements in gas blast electric circuit breakers
US2382850A (en) *	1942-06-16	1945-08-14	Gen Electric	Gas blast electric circuit breaker

1950
- 1950-01-17 US US139062A patent/US2653204A/en not_active Expired - Lifetime
- 1950-01-17 CH CH279750D patent/CH279750A/de unknown
- 1950-01-27 FR FR1009463D patent/FR1009463A/fr not_active Expired
- 1950-01-27 DE DEA14699A patent/DE908878C/de not_active Expired
1951
- 1951-12-13 DE DEA14700A patent/DE865758C/de not_active Expired

Also Published As

Publication number	Publication date
DE908878C (de)	1954-04-12
DE865758C (de)	1953-02-05
FR1009463A (fr)	1952-05-29
US2653204A (en)	1953-09-22

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