BE447854A - - Google Patents
Info
- Publication number
- BE447854A BE447854A BE447854DA BE447854A BE 447854 A BE447854 A BE 447854A BE 447854D A BE447854D A BE 447854DA BE 447854 A BE447854 A BE 447854A
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/55—Oil reservoirs or tanks; Lowering means therefor
- H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE235372X | 1941-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447854A true BE447854A (zh) |
Family
ID=5896522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447854D BE447854A (zh) | 1941-11-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE447854A (zh) |
| CH (1) | CH235372A (zh) |
| FR (1) | FR887276A (zh) |
-
0
- BE BE447854D patent/BE447854A/xx unknown
-
1942
- 1942-10-27 FR FR887276D patent/FR887276A/fr not_active Expired
- 1942-10-30 CH CH235372D patent/CH235372A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR887276A (fr) | 1943-11-09 |
| CH235372A (de) | 1944-11-30 |