FR829388A - Protective device operating in the event of an oil current and in the event of gas being released, for electrical appliances filled with oil - Google Patents
Protective device operating in the event of an oil current and in the event of gas being released, for electrical appliances filled with oilInfo
- Publication number
- FR829388A FR829388A FR829388DA FR829388A FR 829388 A FR829388 A FR 829388A FR 829388D A FR829388D A FR 829388DA FR 829388 A FR829388 A FR 829388A
- Authority
- FR
- France
- Prior art keywords
- event
- oil
- released
- filled
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Housings And Mounting Of Transformers (AREA)
- Transformer Cooling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES124992D DE664701C (en) | 1936-11-19 | 1936-11-19 | Protection device for oil-filled electrical equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
FR829388A true FR829388A (en) | 1938-06-24 |
Family
ID=50552529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR829388D Expired FR829388A (en) | 1936-11-19 | 1937-11-17 | Protective device operating in the event of an oil current and in the event of gas being released, for electrical appliances filled with oil |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH200165A (en) |
DE (1) | DE664701C (en) |
FR (1) | FR829388A (en) |
GB (1) | GB484457A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE766253C (en) * | 1938-09-13 | 1952-05-15 | Siemens Schuckertwerke A G | OElschuetz |
DE741490C (en) * | 1940-09-25 | 1943-11-11 | Max Bucholz | Device for transferring a movement caused by the accumulation of air or gas in a vessel filled with liquid to a display or contact device |
DE744392C (en) * | 1940-10-04 | 1944-01-14 | Max Buchholz | Protection device for electrical devices with liquid insulation, e.g. B. Oil transformers |
DE755544C (en) * | 1941-06-04 | 1953-08-31 | Siemens Schuckertwerke A G | Protective device for displaying malfunctions in liquid-filled containers, in particular electrical equipment and machine housings |
DE760881C (en) * | 1941-07-03 | 1954-03-15 | Siemens Schuckertwerke A G | Protective device for electrical machines and devices filled with a liquid insulating agent |
DE943544C (en) * | 1944-08-05 | 1956-05-24 | Aeg | Liquid-filled high-voltage electrical apparatus |
DE974715C (en) * | 1953-08-28 | 1961-04-06 | Bosch Gmbh Robert | Switch-off device for capacitors built into the housing |
DE10361884B3 (en) * | 2003-12-19 | 2005-08-11 | Siemens Ag | Apparatus and method for monitoring a gas volume in a liquid-filled plant |
-
1936
- 1936-11-19 DE DES124992D patent/DE664701C/en not_active Expired
-
1937
- 1937-11-06 CH CH200165D patent/CH200165A/en unknown
- 1937-11-11 GB GB31056/37A patent/GB484457A/en not_active Expired
- 1937-11-17 FR FR829388D patent/FR829388A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH200165A (en) | 1938-09-30 |
GB484457A (en) | 1938-05-05 |
DE664701C (en) | 1938-09-05 |
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