NL55444C - - Google Patents
Info
- Publication number
- NL55444C NL55444C NL55444DA NL55444C NL 55444 C NL55444 C NL 55444C NL 55444D A NL55444D A NL 55444DA NL 55444 C NL55444 C NL 55444C
- 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
- H01H33/72—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 |
|---|---|---|---|
| GB482638A GB511364A (en) | 1938-02-16 | 1938-02-16 | Improvements in or relating to a.c. electric circuit-breakers having arc-control devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL55444C true NL55444C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=9784515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55444D NL55444C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1938-02-16 |
Country Status (3)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419106A (en) * | 1944-01-29 | 1947-04-15 | Westinghouse Electric Corp | Oil circuit breaker |
| US2479381A (en) * | 1945-04-30 | 1949-08-16 | Westinghouse Electric Corp | Circuit interrupter |
| US3073669A (en) * | 1958-09-06 | 1963-01-15 | Asahi Chemical Ind | Method for producing shaped articles from polymers and copolymers of acrylonitrile |
| US3071669A (en) * | 1959-01-13 | 1963-01-01 | Westinghouse Electric Corp | Circuit interrupters |
| US3071670A (en) * | 1959-07-01 | 1963-01-01 | Westinghouse Electric Corp | Circuit interrupters |
| US3291949A (en) * | 1964-09-18 | 1966-12-13 | Westinghouse Electric Corp | Fluid-blast circuit interrupters having improved arc splitter structure |
| US3558836A (en) * | 1968-07-05 | 1971-01-26 | Meidensha Electric Mfg Co Ltd | Circuit breaker |
-
0
- NL NL55444D patent/NL55444C/xx active
-
1938
- 1938-02-16 GB GB482638A patent/GB511364A/en not_active Expired
-
1939
- 1939-02-09 FR FR850075D patent/FR850075A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR850075A (fr) | 1939-12-07 |
| GB511364A (en) | 1939-08-17 |