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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE875426X | 1940-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442790A true BE442790A (en) |
Family
ID=6817283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442790D BE442790A (en) | 1940-09-25 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE442790A (en) |
| FR (1) | FR875426A (en) |
-
0
- BE BE442790D patent/BE442790A/xx unknown
-
1941
- 1941-09-05 FR FR875426D patent/FR875426A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR875426A (en) | 1942-09-21 |