NL252649A - - Google Patents
Info
- Publication number
- NL252649A NL252649A NL252649DA NL252649A NL 252649 A NL252649 A NL 252649A NL 252649D A NL252649D A NL 252649DA NL 252649 A NL252649 A NL 252649A
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/161—Variable impedances
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH7509859A CH369807A (de) | 1959-06-30 | 1959-06-30 | Elektrischer Widerstand in einem Leistungsschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL252649A true NL252649A (zh) |
Family
ID=4533873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL252649D NL252649A (zh) | 1959-06-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3072766A (zh) |
| BE (1) | BE592419A (zh) |
| CH (2) | CH369807A (zh) |
| DE (2) | DE1076776B (zh) |
| FR (2) | FR1261556A (zh) |
| GB (1) | GB914467A (zh) |
| NL (1) | NL252649A (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189607B (de) * | 1961-11-27 | 1965-03-25 | Merlin Gerin | Daempfungswiderstand fuer elektrische Schalter |
| FR1334403A (fr) * | 1962-06-23 | 1963-08-09 | Merlin Gerin | Perfectionnements aux résistances d'amortissement pour disjoncteurs |
| US3249810A (en) * | 1962-11-20 | 1966-05-03 | Westinghouse Electric Corp | Circuit interrupting apparatus |
| US3590186A (en) * | 1968-12-19 | 1971-06-29 | Allis Chalmers Mfg Co | Vacuum interrupter having series connected resistor and shunting means for the latter |
| US4035637A (en) * | 1975-12-23 | 1977-07-12 | Zot Manufacturing Company | Fluid actuated light switch |
| US4673928A (en) * | 1984-04-03 | 1987-06-16 | Guim R | Fuse cap warning light |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US651013A (en) * | 1900-06-05 | Charles E Wilson | Electric telegraphy. | |
| US470161A (en) * | 1892-03-01 | Circuit-interrupting device | ||
| US1134983A (en) * | 1914-07-13 | 1915-04-06 | Richard A Engler | System of electrical transmission. |
| US2043099A (en) * | 1933-10-26 | 1936-06-02 | Gen Electric | Electrical protective system |
| BE440693A (zh) * | 1940-02-27 |
-
0
- NL NL252649D patent/NL252649A/xx unknown
-
1959
- 1959-06-30 CH CH7509859A patent/CH369807A/de unknown
- 1959-07-09 DE DEA32435A patent/DE1076776B/de active Pending
-
1960
- 1960-04-13 CH CH416460A patent/CH379600A/de unknown
- 1960-05-06 DE DEA34580A patent/DE1110720B/de active Pending
- 1960-06-23 US US38212A patent/US3072766A/en not_active Expired - Lifetime
- 1960-06-29 FR FR831456A patent/FR1261556A/fr not_active Expired
- 1960-06-29 GB GB22732/60A patent/GB914467A/en not_active Expired
- 1960-06-29 BE BE592419A patent/BE592419A/fr unknown
-
1961
- 1961-04-10 FR FR858194A patent/FR79525E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1110720B (de) | 1961-07-13 |
| FR1261556A (fr) | 1961-05-19 |
| CH379600A (de) | 1964-07-15 |
| CH369807A (de) | 1963-06-15 |
| US3072766A (en) | 1963-01-08 |
| GB914467A (en) | 1963-01-02 |
| DE1076776B (de) | 1960-03-03 |
| FR79525E (fr) | 1962-12-14 |
| BE592419A (fr) | 1960-10-17 |