FR722896A - Arc extinguishing device - Google Patents
Arc extinguishing deviceInfo
- Publication number
- FR722896A FR722896A FR722896DA FR722896A FR 722896 A FR722896 A FR 722896A FR 722896D A FR722896D A FR 722896DA FR 722896 A FR722896 A FR 722896A
- Authority
- FR
- France
- Prior art keywords
- arc extinguishing
- extinguishing device
- arc
- extinguishing
- 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
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
- H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US483235A US2109216A (en) | 1930-09-20 | 1930-09-20 | Arc-extinguishing device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR722896A true FR722896A (en) | 1932-03-29 |
Family
ID=23919252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR722896D Expired FR722896A (en) | 1930-09-20 | 1931-09-14 | Arc extinguishing device |
Country Status (3)
Country | Link |
---|---|
US (1) | US2109216A (en) |
FR (1) | FR722896A (en) |
GB (1) | GB379105A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767713C (en) * | 1938-02-05 | 1953-04-09 | Aeg | Electric gas switch |
US2429846A (en) * | 1944-03-24 | 1947-10-28 | Gen Electric | Electric circuit interrupter |
US3136875A (en) * | 1961-05-09 | 1964-06-09 | Westinghouse Electric Corp | Circuit interrupters |
DE6904672U (en) * | 1969-02-07 | 1969-06-04 | Pfisterer Elektrotech Karl | SWITCHING UNIT FOR LOW VOLTAGE MAINS |
-
1930
- 1930-09-20 US US483235A patent/US2109216A/en not_active Expired - Lifetime
-
1931
- 1931-09-01 GB GB24530/31A patent/GB379105A/en not_active Expired
- 1931-09-14 FR FR722896D patent/FR722896A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2109216A (en) | 1938-02-22 |
GB379105A (en) | 1932-08-25 |
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