FR636275A - - Google Patents
Info
- Publication number
- FR636275A FR636275A FR636275DA FR636275A FR 636275 A FR636275 A FR 636275A FR 636275D A FR636275D A FR 636275DA FR 636275 A FR636275 A FR 636275A
- Authority
- FR
- France
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR636275A true FR636275A (en) | 1928-04-05 |
Family
ID=1542159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR636275D Expired FR636275A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR636275A (en) |
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0
- FR FR636275D patent/FR636275A/fr not_active Expired