NL109990C - - Google Patents
Info
- Publication number
- NL109990C NL109990C NL109990DA NL109990C NL 109990 C NL109990 C NL 109990C NL 109990D A NL109990D A NL 109990DA NL 109990 C NL109990 C NL 109990C
- 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
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
-
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/58—Silencers for suppressing noise of switch operation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB266747X | 1940-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL109990C true NL109990C (US08197722-20120612-C00042.png) |
Family
ID=10247395
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL109990D NL109990C (US08197722-20120612-C00042.png) | 1940-04-15 | ||
| NL208615D NL208615A (US08197722-20120612-C00042.png) | 1940-04-15 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL208615D NL208615A (US08197722-20120612-C00042.png) | 1940-04-15 |
Country Status (6)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE471741A (US08197722-20120612-C00042.png) * | 1942-05-30 | |||
| GB575887A (en) * | 1944-04-22 | 1946-03-08 | Ferguson Pailin Ltd | Improvements in gas blast high voltage electric circuit breakers |
| US2987596A (en) * | 1958-12-06 | 1961-06-06 | Asea Ab | Scavenging means for air blast circuit breaker |
| GB979783A (en) * | 1960-04-29 | 1965-01-06 | Reyrolle A & Co Ltd | Improvements relating to high-voltage electric circuit-breakers of the gas-blast type |
| DE1933529A1 (de) * | 1969-07-02 | 1971-01-21 | Bbc Brown Boveri & Cie | Lichtbogenkammer aus Siebkeramik |
| US3617667A (en) * | 1970-01-27 | 1971-11-02 | Gen Electric | Gas-blast circuit breaker with noise-reducing exhaust muffler assembly |
| CH591756A5 (US08197722-20120612-C00042.png) * | 1975-06-18 | 1977-09-30 | Bbc Brown Boveri & Cie | |
| DE4333277C2 (de) * | 1993-09-24 | 1995-07-06 | Siemens Ag | Hochspannungs-Leistungsschalter mit einer Kühleinrichtung zur Kühlung des Löschgases |
| DE19517615A1 (de) * | 1995-05-13 | 1996-11-14 | Abb Research Ltd | Leistungsschalter |
-
0
- BE BE467248D patent/BE467248A/xx unknown
- NL NL109990D patent/NL109990C/xx active
- NL NL208615D patent/NL208615A/xx unknown
- BE BE467249D patent/BE467249A/xx unknown
-
1940
- 1940-04-15 GB GB6763/40A patent/GB541235A/en not_active Expired
- 1940-04-15 GB GB6785/40A patent/GB541237A/en not_active Expired
- 1940-04-15 GB GB6775/40A patent/GB541236A/en not_active Expired
-
1941
- 1941-04-15 US US388700A patent/US2302592A/en not_active Expired - Lifetime
-
1946
- 1946-06-08 FR FR927760D patent/FR927760A/fr not_active Expired
- 1946-06-08 FR FR927761D patent/FR927761A/fr not_active Expired
-
1947
- 1947-12-26 CH CH271230D patent/CH271230A/fr unknown
- 1947-12-26 CH CH266747D patent/CH266747A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH271230A (fr) | 1950-10-15 |
| FR927760A (fr) | 1947-11-10 |
| NL208615A (US08197722-20120612-C00042.png) | |
| US2302592A (en) | 1942-11-17 |
| GB541235A (en) | 1941-11-19 |
| CH266747A (fr) | 1950-02-15 |
| BE467249A (US08197722-20120612-C00042.png) | |
| FR927761A (fr) | 1947-11-10 |
| GB541237A (en) | 1941-11-19 |
| GB541236A (en) | 1941-11-19 |
| BE467248A (US08197722-20120612-C00042.png) |
