AT295638B - Gas pressure switch - Google Patents
Gas pressure switchInfo
- Publication number
- AT295638B AT295638B AT1038069A AT1038069A AT295638B AT 295638 B AT295638 B AT 295638B AT 1038069 A AT1038069 A AT 1038069A AT 1038069 A AT1038069 A AT 1038069A AT 295638 B AT295638 B AT 295638B
- Authority
- AT
- Austria
- Prior art keywords
- gas pressure
- pressure switch
- switch
- gas
- pressure
- Prior art date
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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
-
- 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
- H01H33/7069—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by special dielectric or insulating properties or by special electric or magnetic field control properties
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77351068A | 1968-11-05 | 1968-11-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT295638B true AT295638B (en) | 1972-01-10 |
Family
ID=25098516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1038069A AT295638B (en) | 1968-11-05 | 1969-11-05 | Gas pressure switch |
Country Status (5)
Country | Link |
---|---|
US (1) | US3590190A (en) |
AT (1) | AT295638B (en) |
BE (1) | BE741219A (en) |
CH (1) | CH499869A (en) |
DE (1) | DE1955148A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4383150A (en) * | 1978-09-12 | 1983-05-10 | Westinghouse Electric Corp. | Circuit-interrupters having shunting capacitance around the separable power contacts with capacitance disconnecting means therefor |
DE2930830C2 (en) * | 1979-07-30 | 1983-06-16 | Siemens AG, 1000 Berlin und 8000 München | Multipole high-voltage rotary switch that disconnects under load |
JP2964471B2 (en) * | 1995-04-28 | 1999-10-18 | 株式会社戸上電機製作所 | Gas circuit breaker |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3160727A (en) * | 1961-10-24 | 1964-12-08 | Gas-blast orifice-type interrupting unit | |
DE1238546B (en) * | 1963-03-18 | 1967-04-13 | Merlin Gerin | Compressed gas switch with two switching points arranged in series |
US3291947A (en) * | 1964-06-12 | 1966-12-13 | Westinghouse Electric Corp | Interrupting structures for compressedgas circuit interrupters having double-break hollow rotative moving contact-arm assembly |
US3371176A (en) * | 1965-02-26 | 1968-02-27 | Westinghouse Electric Corp | High-voltage circuit interrupter with a pair of fluid-conducting pivotally-mounted contact arms |
-
1968
- 1968-11-05 US US773510A patent/US3590190A/en not_active Expired - Lifetime
-
1969
- 1969-11-03 DE DE19691955148 patent/DE1955148A1/en active Pending
- 1969-11-04 BE BE741219D patent/BE741219A/xx unknown
- 1969-11-05 AT AT1038069A patent/AT295638B/en not_active IP Right Cessation
- 1969-11-05 CH CH1644169A patent/CH499869A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE741219A (en) | 1970-05-04 |
US3590190A (en) | 1971-06-29 |
CH499869A (en) | 1970-11-30 |
DE1955148A1 (en) | 1970-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |