BE439832A - - Google Patents
Info
- Publication number
- BE439832A BE439832A BE439832DA BE439832A BE 439832 A BE439832 A BE 439832A BE 439832D A BE439832D A BE 439832DA BE 439832 A BE439832 A BE 439832A
- Authority
- BE
- Belgium
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
- H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH212922T | 1939-07-26 | ||
| DEA89971D DE725314C (en) | 1939-07-26 | 1939-08-02 | Switch with arc extinguishing by a flowing extinguishing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439832A true BE439832A (en) | 1940-11-21 |
Family
ID=32094453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439832D BE439832A (en) | 1939-07-26 | 1940-12-31 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2293320A (en) |
| BE (1) | BE439832A (en) |
| CH (1) | CH212922A (en) |
| DE (1) | DE725314C (en) |
| FR (1) | FR867772A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE762495C (en) * | 1943-01-18 | 1953-04-27 | Brown Ag | Gas pressure switch |
| GB755016A (en) * | 1953-07-08 | 1956-08-15 | Reyrolle A & Co Ltd | Improvements relating to electric switchgear |
| DE1018129B (en) * | 1956-03-07 | 1957-10-24 | Liebknecht Transformat | High-voltage gas switch |
| US3160726A (en) * | 1962-01-15 | 1964-12-08 | cromer |
-
1939
- 1939-07-26 CH CH212922D patent/CH212922A/en unknown
- 1939-08-02 DE DEA89971D patent/DE725314C/en not_active Expired
-
1940
- 1940-07-23 US US347008A patent/US2293320A/en not_active Expired - Lifetime
- 1940-11-23 FR FR867772D patent/FR867772A/en not_active Expired
- 1940-12-31 BE BE439832D patent/BE439832A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR867772A (en) | 1941-11-27 |
| DE725314C (en) | 1942-09-18 |
| US2293320A (en) | 1942-08-18 |
| CH212922A (en) | 1940-12-31 |