BE442790A - - Google Patents
Info
- Publication number
- BE442790A BE442790A BE442790DA BE442790A BE 442790 A BE442790 A BE 442790A BE 442790D A BE442790D A BE 442790DA BE 442790 A BE442790 A BE 442790A
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
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 |
|---|---|---|---|
| DE875426X | 1940-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442790A true BE442790A (lt) |
Family
ID=6817283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442790D BE442790A (lt) | 1940-09-25 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE442790A (lt) |
| FR (1) | FR875426A (lt) |
-
0
- BE BE442790D patent/BE442790A/xx unknown
-
1941
- 1941-09-05 FR FR875426D patent/FR875426A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR875426A (fr) | 1942-09-21 |