NL68754C - - Google Patents
Info
- Publication number
- NL68754C NL68754C NL68754DA NL68754C NL 68754 C NL68754 C NL 68754C NL 68754D A NL68754D A NL 68754DA NL 68754 C NL68754 C NL 68754C
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB272080X | 1941-09-25 | ||
| GB160942X | 1942-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL68754C true NL68754C (US06521211-20030218-C00004.png) |
Family
ID=26251791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL68754D NL68754C (US06521211-20030218-C00004.png) | 1941-09-25 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067502B (US06521211-20030218-C00004.png) * | ||||
| US2491821A (en) * | 1944-12-13 | 1949-12-20 | Allis Chalmers Mfg Co | Gas blast circuit breaker |
| DE19524217A1 (de) * | 1995-07-03 | 1997-01-09 | Abb Research Ltd | Leistungsschalter |
| EP1113475A1 (en) * | 1999-12-30 | 2001-07-04 | ABB Research Ltd. | Arcing contact assembly for medium and/or high voltage circuit breakers |
-
0
- NL NL68754D patent/NL68754C/xx active
-
1941
- 1941-09-25 GB GB12448/41A patent/GB552893A/en not_active Expired
-
1942
- 1942-09-29 US US460161A patent/US2365133A/en not_active Expired - Lifetime
-
1946
- 1946-06-24 FR FR931052D patent/FR931052A/fr not_active Expired
-
1947
- 1947-12-31 CH CH272080D patent/CH272080A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR931052A (fr) | 1948-02-12 |
| CH272080A (fr) | 1950-11-30 |
| GB552893A (en) | 1943-04-29 |
| US2365133A (en) | 1944-12-12 |
