FR572619A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR572619A FR572619A FR572619DA FR572619A FR 572619 A FR572619 A FR 572619A FR 572619D A FR572619D A FR 572619DA FR 572619 A FR572619 A FR 572619A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- electrical
- 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
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/75—Liquid-break switches, e.g. oil-break
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US600804A US1532081A (en) | 1922-11-14 | 1922-11-14 | Electric switch |
Publications (1)
Publication Number | Publication Date |
---|---|
FR572619A true FR572619A (en) | 1924-06-10 |
Family
ID=9835233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR572619D Expired FR572619A (en) | 1922-11-14 | 1923-11-03 | Improvements to electrical switches |
Country Status (3)
Country | Link |
---|---|
US (1) | US1532081A (en) |
FR (1) | FR572619A (en) |
GB (1) | GB211022A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763038C (en) * | 1933-02-24 | 1953-07-27 | Neumann Hochspannungs App G M | Electric switch with vaporizable liquid |
US2426250A (en) * | 1943-05-21 | 1947-08-26 | Allis Chalmers Mfg Co | Gas blast circuit breaker |
US2692320A (en) * | 1950-08-05 | 1954-10-19 | Westinghouse Electric Corp | Circuit interrupter |
US2810808A (en) * | 1955-01-25 | 1957-10-22 | Gen Electric | Cable type operating mechanism for an electric circuit breaker |
US2816197A (en) * | 1955-12-12 | 1957-12-10 | Gen Electric | Switch |
US3021411A (en) * | 1960-07-07 | 1962-02-13 | John A Cooley | High voltage arc-extinguishing switch |
US3165610A (en) * | 1962-09-06 | 1965-01-12 | Gen Electric | Electrical circuit interrupter having exterior positioned actuating means |
-
1922
- 1922-11-14 US US600804A patent/US1532081A/en not_active Expired - Lifetime
-
1923
- 1923-03-15 GB GB7548/23A patent/GB211022A/en not_active Expired
- 1923-11-03 FR FR572619D patent/FR572619A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB211022A (en) | 1924-02-14 |
US1532081A (en) | 1925-03-31 |
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