NL67950C - - Google Patents
Info
- Publication number
- NL67950C NL67950C NL67950DA NL67950C NL 67950 C NL67950 C NL 67950C NL 67950D A NL67950D A NL 67950DA NL 67950 C NL67950 C NL 67950C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| US313736A US2272380A (en) | 1940-01-13 | 1940-01-13 | Circuit interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67950C true NL67950C (US08197722-20120612-C00042.png) |
Family
ID=23216921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67950D NL67950C (US08197722-20120612-C00042.png) | 1940-01-13 |
Country Status (6)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2449518A (en) * | 1943-02-15 | 1948-09-14 | Westinghouse Electric Corp | Circuit interrupter |
| US2455998A (en) * | 1943-12-20 | 1948-12-14 | Electrical Eng Equipment Co | Electrical load breaking device |
| US2428482A (en) * | 1945-02-28 | 1947-10-07 | Westinghouse Electric Corp | Circuit interrupter |
| US2454121A (en) * | 1945-04-03 | 1948-11-16 | Westinghouse Electric Corp | Circuit interrupter |
| US2526387A (en) * | 1946-01-24 | 1950-10-17 | Milliken Humphreys | Air blast circuit breaker |
| US2535556A (en) * | 1946-09-06 | 1950-12-26 | Air Reduction | Electric switch |
| US2586290A (en) * | 1947-11-01 | 1952-02-19 | Westinghouse Electric Corp | Circuit interrupter |
| US2585879A (en) * | 1949-01-26 | 1952-02-12 | Mcgraw Electric Co | Circuit breaker |
| US2639353A (en) * | 1950-01-24 | 1953-05-19 | Allis Chalmers Mfg Co | Circuit breaker with arc chute short circuiting sections of the arc |
| US2671146A (en) * | 1952-01-14 | 1954-03-02 | Gen Electric | Interrupting unit for electric circuit breakers |
| GB776747A (en) * | 1954-03-16 | 1957-06-12 | Reyrolle A & Co Ltd | Improvements relating to high-voltage electric circuit-breakers of the air-break type |
| US3033961A (en) * | 1960-05-04 | 1962-05-08 | Ite Circuit Breaker Ltd | Serpentine corrugated arc product coolers |
| US3179775A (en) * | 1960-12-07 | 1965-04-20 | Westinghouse Electric Corp | Circulating-type compressed-gas circuit interrupters with composite blast-tube extension |
| FR2584230B1 (fr) * | 1985-06-28 | 1989-02-03 | Merlin Gerin | Chambre d'extinction d'arc pour disjoncteur a basse tension a coupure dans l'air |
-
0
- BE BE483217D patent/BE483217A/xx unknown
- NL NL67950D patent/NL67950C/xx active
-
1940
- 1940-01-13 US US313736A patent/US2272380A/en not_active Expired - Lifetime
-
1941
- 1941-01-09 GB GB334/41A patent/GB544152A/en not_active Expired
- 1941-01-10 CH CH218490D patent/CH218490A/fr unknown
-
1946
- 1946-07-30 FR FR938275D patent/FR938275A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE483217A (US08197722-20120612-C00042.png) | |
| GB544152A (en) | 1942-03-30 |
| FR938275A (fr) | 1948-09-09 |
| US2272380A (en) | 1942-02-10 |
| CH218490A (fr) | 1941-12-15 |
