BE446747A - - Google Patents
Info
- Publication number
- BE446747A BE446747A BE446747DA BE446747A BE 446747 A BE446747 A BE 446747A BE 446747D A BE446747D A BE 446747DA BE 446747 A BE446747 A BE 446747A
- 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
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
-
- 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 |
|---|---|---|---|
| DE235371X | 1941-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446747A true BE446747A (en:Method) |
Family
ID=5896513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446747D BE446747A (en:Method) | 1941-07-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE446747A (en:Method) |
| CH (1) | CH235371A (en:Method) |
| FR (1) | FR884534A (en:Method) |
| NL (1) | NL59664C (en:Method) |
-
0
- NL NL59664D patent/NL59664C/xx active
- BE BE446747D patent/BE446747A/xx unknown
-
1942
- 1942-07-23 CH CH235371D patent/CH235371A/de unknown
- 1942-07-28 FR FR884534D patent/FR884534A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR884534A (fr) | 1943-08-19 |
| CH235371A (de) | 1944-11-30 |
| NL59664C (en:Method) |