FR952109A - Interrupteurs de circuit - Google Patents
Interrupteurs de circuitInfo
- Publication number
- FR952109A FR952109A FR952109DA FR952109A FR 952109 A FR952109 A FR 952109A FR 952109D A FR952109D A FR 952109DA FR 952109 A FR952109 A FR 952109A
- Authority
- FR
- France
- Prior art keywords
- circuit switches
- switches
- circuit
- 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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US692331A US2491964A (en) | 1946-08-22 | 1946-08-22 | Air blast circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR952109A true FR952109A (fr) | 1949-11-09 |
Family
ID=24780135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR952109D Expired FR952109A (fr) | 1946-08-22 | 1947-08-14 | Interrupteurs de circuit |
Country Status (2)
Country | Link |
---|---|
US (1) | US2491964A (fr) |
FR (1) | FR952109A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734971A (en) * | 1952-09-04 | 1956-02-14 | Circuit interrupters | |
BE516895A (fr) * | 1953-01-13 | Merlin Gerin | ||
US2787686A (en) * | 1953-08-31 | 1957-04-02 | Ite Circuit Breaker Ltd | Air puffer for circuit breakers |
US2816993A (en) * | 1953-10-06 | 1957-12-17 | Allis Chalmers Mfg Co | Circuit breaker having switch arm mounted on fluid conducting bearing |
BE544746A (fr) * | 1955-02-25 | Merlin Gerin | ||
US3005891A (en) * | 1959-05-01 | 1961-10-24 | Gen Electric | Load break device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US490762A (en) * | 1893-01-31 | Electric-circuit breaker | ||
US525332A (en) * | 1894-04-14 | 1894-09-04 | Electric switch | |
US1404564A (en) * | 1917-11-15 | 1922-01-24 | John P Arndt | Circuit breaker |
US2280616A (en) * | 1940-10-22 | 1942-04-21 | Gen Electric | Electric circuit breaker |
US2399485A (en) * | 1942-12-26 | 1946-04-30 | Gen Electric | Electric circuit breaker |
-
1946
- 1946-08-22 US US692331A patent/US2491964A/en not_active Expired - Lifetime
-
1947
- 1947-08-14 FR FR952109D patent/FR952109A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2491964A (en) | 1949-12-20 |
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