FR2061975A5 - - Google Patents
Info
- Publication number
- FR2061975A5 FR2061975A5 FR6934089A FR6934089A FR2061975A5 FR 2061975 A5 FR2061975 A5 FR 2061975A5 FR 6934089 A FR6934089 A FR 6934089A FR 6934089 A FR6934089 A FR 6934089A FR 2061975 A5 FR2061975 A5 FR 2061975A5
- 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
- H01H33/70—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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6934089A FR2061975A5 (en) | 1969-10-06 | 1969-10-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6934089A FR2061975A5 (en) | 1969-10-06 | 1969-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2061975A5 true FR2061975A5 (en) | 1971-06-25 |
Family
ID=9041104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6934089A Expired FR2061975A5 (en) | 1969-10-06 | 1969-10-06 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2061975A5 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2349205A1 (en) * | 1976-04-22 | 1977-11-18 | Bbc Brown Boveri & Cie | Drive boost for gas blast circuit breaker - uses differential piston to compress quenching gas to high press. for arc quenching |
FR2356258A1 (en) * | 1976-06-24 | 1978-01-20 | Sprecher & Schuh Ag | Compressed gas circuit breaker - has sprung free piston slidable on separator and facing fixed contact close to nozzle |
EP0073175A1 (en) * | 1981-08-27 | 1983-03-02 | Siemens Aktiengesellschaft | Gas blast circuit breaker |
-
1969
- 1969-10-06 FR FR6934089A patent/FR2061975A5/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2349205A1 (en) * | 1976-04-22 | 1977-11-18 | Bbc Brown Boveri & Cie | Drive boost for gas blast circuit breaker - uses differential piston to compress quenching gas to high press. for arc quenching |
FR2356258A1 (en) * | 1976-06-24 | 1978-01-20 | Sprecher & Schuh Ag | Compressed gas circuit breaker - has sprung free piston slidable on separator and facing fixed contact close to nozzle |
EP0073175A1 (en) * | 1981-08-27 | 1983-03-02 | Siemens Aktiengesellschaft | Gas blast circuit breaker |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |