CH252898A - Gas pressure switch. - Google Patents
Gas pressure switch.Info
- Publication number
- CH252898A CH252898A CH252898DA CH252898A CH 252898 A CH252898 A CH 252898A CH 252898D A CH252898D A CH 252898DA CH 252898 A CH252898 A CH 252898A
- Authority
- CH
- Switzerland
- 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
- H01H33/70—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US373856A US2313159A (en) | 1941-01-09 | 1941-01-09 | Circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
CH252898A true CH252898A (en) | 1948-01-31 |
Family
ID=23474173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH252898D CH252898A (en) | 1941-01-09 | 1946-01-29 | Gas pressure switch. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2313159A (en) |
CH (1) | CH252898A (en) |
FR (1) | FR927702A (en) |
GB (1) | GB553714A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428575A (en) * | 1943-07-10 | 1947-10-07 | Westinghouse Electric Corp | Circuit interrupter |
GB570496A (en) * | 1943-08-09 | 1945-07-10 | British Thomson Houston Co Ltd | Improvements in gas blast electric circuit breakers |
GB575887A (en) * | 1944-04-22 | 1946-03-08 | Ferguson Pailin Ltd | Improvements in gas blast high voltage electric circuit breakers |
US2459599A (en) * | 1944-09-20 | 1949-01-18 | Westinghouse Electric Corp | Circuit interrupter |
US2442190A (en) * | 1945-03-23 | 1948-05-25 | Gen Electric | Electric circuit interrupter |
-
1941
- 1941-01-09 US US373856A patent/US2313159A/en not_active Expired - Lifetime
-
1942
- 1942-01-09 GB GB361/42A patent/GB553714A/en not_active Expired
-
1946
- 1946-01-29 CH CH252898D patent/CH252898A/en unknown
- 1946-06-06 FR FR927702D patent/FR927702A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2313159A (en) | 1943-03-09 |
FR927702A (en) | 1947-11-07 |
GB553714A (en) | 1943-06-02 |
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