FR828881A - - Google Patents
Info
- Publication number
- FR828881A FR828881A FR8A FR828881DA FR828881A FR 828881 A FR828881 A FR 828881A FR 8 A FR8 A FR 8A FR 828881D A FR828881D A FR 828881DA FR 828881 A FR828881 A FR 828881A
- 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
-
- 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 |
|---|---|---|---|
| DE828881X | 1936-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR828881A true FR828881A (no) | 1938-06-01 |
Family
ID=6748408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8A Expired FR828881A (no) | 1936-11-13 | 1937-11-08 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR828881A (no) |
| NL (1) | NL51136C (no) |
-
0
- NL NL51136D patent/NL51136C/xx active
-
1937
- 1937-11-08 FR FR8A patent/FR828881A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL51136C (no) |