BE476663A - - Google Patents
Info
- Publication number
- BE476663A BE476663A BE476663DA BE476663A BE 476663 A BE476663 A BE 476663A BE 476663D A BE476663D A BE 476663DA BE 476663 A BE476663 A BE 476663A
- Authority
- BE
- Belgium
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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1003611T | 1947-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476663A true BE476663A (en:Method) |
Family
ID=9563165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476663D BE476663A (en:Method) | 1947-01-31 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE476663A (en:Method) |
| CH (1) | CH268963A (en:Method) |
| FR (1) | FR1003611A (en:Method) |
-
0
- BE BE476663D patent/BE476663A/xx unknown
-
1947
- 1947-01-31 FR FR1003611D patent/FR1003611A/fr not_active Expired
-
1948
- 1948-01-15 CH CH268963D patent/CH268963A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH268963A (fr) | 1950-06-15 |
| FR1003611A (fr) | 1952-03-20 |