NL59664C - - Google Patents
Info
- Publication number
- NL59664C NL59664C NL59664DA NL59664C NL 59664 C NL59664 C NL 59664C NL 59664D A NL59664D A NL 59664DA NL 59664 C NL59664 C NL 59664C
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE235371X | 1941-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL59664C true NL59664C (de) |
Family
ID=5896513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL59664D NL59664C (de) | 1941-07-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE446747A (de) |
| CH (1) | CH235371A (de) |
| FR (1) | FR884534A (de) |
| NL (1) | NL59664C (de) |
-
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 |
|---|---|
| CH235371A (de) | 1944-11-30 |
| FR884534A (fr) | 1943-08-19 |
| BE446747A (de) |