BE428713A - - Google Patents
Info
- Publication number
- BE428713A BE428713A BE428713DA BE428713A BE 428713 A BE428713 A BE 428713A BE 428713D A BE428713D A BE 428713DA BE 428713 A BE428713 A BE 428713A
- 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 |
|---|---|---|---|
| DE2303730X | 1937-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428713A true BE428713A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=7994222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428713D BE428713A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1937-06-22 |
Country Status (4)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR876971A (fr) * | 1941-06-18 | 1942-11-24 | Delle Atel Const Electr | Perfectionnements aux interrupteurs électriques à auto-soufflage |
| US2452476A (en) * | 1944-08-15 | 1948-10-26 | Westinghouse Electric Corp | Circuit interrupter |
| FR1034903A (fr) * | 1951-03-30 | 1953-08-07 | Forges Ateliers Const Electr | Interrupteurs à auto-soufflage |
| US3612797A (en) * | 1969-09-22 | 1971-10-12 | Us Interior | High-voltage fluidic circuit interrupter |
-
0
- NL NL51593D patent/NL51593C/xx active
- BE BE428713D patent/BE428713A/xx unknown
-
1938
- 1938-06-18 US US214490A patent/US2303730A/en not_active Expired - Lifetime
- 1938-06-20 FR FR839522D patent/FR839522A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL51593C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | |
| FR839522A (fr) | 1939-04-05 |
| US2303730A (en) | 1942-12-01 |