NL21505C - - Google Patents
Info
- Publication number
- NL21505C NL21505C NL37343A NL37343A NL21505C NL 21505 C NL21505 C NL 21505C NL 37343 A NL37343 A NL 37343A NL 37343 A NL37343 A NL 37343A NL 21505 C NL21505 C NL 21505C
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL37343A NL21505C (https=) | 1927-06-15 | 1927-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL37343A NL21505C (https=) | 1927-06-15 | 1927-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21505C true NL21505C (https=) | 1930-04-15 |
Family
ID=1788194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37343A NL21505C (https=) | 1927-06-15 | 1927-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL21505C (https=) |
-
1927
- 1927-06-15 NL NL37343A patent/NL21505C/xx active