CH581385A5 - - Google Patents
Info
- Publication number
- CH581385A5 CH581385A5 CH819374A CH819374A CH581385A5 CH 581385 A5 CH581385 A5 CH 581385A5 CH 819374 A CH819374 A CH 819374A CH 819374 A CH819374 A CH 819374A CH 581385 A5 CH581385 A5 CH 581385A5
- Authority
- CH
- Switzerland
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
- H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
- H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT50788/73A IT985690B (it) | 1973-06-14 | 1973-06-14 | Camera di interruzione per interrut tori elettrici a gas compresso auto soffiante |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH581385A5 true CH581385A5 (xx) | 1976-10-29 |
Family
ID=11273713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH819374A CH581385A5 (xx) | 1973-06-14 | 1974-06-14 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3949182A (xx) |
| JP (1) | JPS5035670A (xx) |
| AR (1) | AR201442A1 (xx) |
| BE (1) | BE816260A (xx) |
| BR (1) | BR7404815A (xx) |
| CA (1) | CA1008114A (xx) |
| CH (1) | CH581385A5 (xx) |
| DE (1) | DE2428741A1 (xx) |
| ES (1) | ES427190A1 (xx) |
| FR (1) | FR2233697B1 (xx) |
| GB (1) | GB1473174A (xx) |
| IT (1) | IT985690B (xx) |
| NO (1) | NO742084L (xx) |
| SE (1) | SE396502B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362915A (en) * | 1978-02-17 | 1982-12-07 | Square D Company | Electric arc confining device |
| DE2911633C2 (de) * | 1979-03-24 | 1985-07-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Autopneumatischer Druckgasschalter |
| WO2010112058A1 (en) * | 2009-03-30 | 2010-10-07 | Abb Research Ltd | Circuit breaker |
| JP5389279B2 (ja) * | 2011-01-07 | 2014-01-15 | 三菱電機株式会社 | 開閉装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE601672C (de) * | 1931-05-21 | 1934-08-22 | Anon Soc | Luftschalter mit Lichtbogenloeschung durch einen Blasstrom |
| US3073931A (en) * | 1959-09-24 | 1963-01-15 | Westinghouse Electric Corp | Compressed-gas circuit interrupter |
| DE2057686A1 (de) * | 1969-11-27 | 1971-06-03 | Magrini Fab Riun Scarpa | Verbesserte Blasoeffnungseinheit fuer einen selbstloeschenden elektrischen Druckgasschalter |
| FR2076494A5 (xx) * | 1970-01-16 | 1971-10-15 | Alsthom Cgee | |
| NO129596B (xx) * | 1970-04-16 | 1974-04-29 | Magrini Fab Riun Scarpa |
-
1973
- 1973-06-14 IT IT50788/73A patent/IT985690B/it active
-
1974
- 1974-06-10 NO NO742084A patent/NO742084L/no unknown
- 1974-06-10 SE SE7407611A patent/SE396502B/xx unknown
- 1974-06-12 FR FR7420362A patent/FR2233697B1/fr not_active Expired
- 1974-06-12 ES ES427190A patent/ES427190A1/es not_active Expired
- 1974-06-12 BR BR4815/74A patent/BR7404815A/pt unknown
- 1974-06-13 BE BE145356A patent/BE816260A/xx unknown
- 1974-06-13 CA CA202,437A patent/CA1008114A/en not_active Expired
- 1974-06-13 JP JP49066623A patent/JPS5035670A/ja active Pending
- 1974-06-14 AR AR254195A patent/AR201442A1/es active
- 1974-06-14 DE DE2428741A patent/DE2428741A1/de not_active Ceased
- 1974-06-14 US US05/479,520 patent/US3949182A/en not_active Expired - Lifetime
- 1974-06-14 CH CH819374A patent/CH581385A5/xx not_active IP Right Cessation
- 1974-06-14 GB GB2650574A patent/GB1473174A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2233697B1 (xx) | 1976-12-24 |
| SE396502B (sv) | 1977-09-19 |
| FR2233697A1 (xx) | 1975-01-10 |
| DE2428741A1 (de) | 1975-01-09 |
| NO742084L (xx) | 1975-01-13 |
| AR201442A1 (es) | 1975-03-14 |
| GB1473174A (en) | 1977-05-11 |
| US3949182A (en) | 1976-04-06 |
| SE7407611L (xx) | 1974-12-16 |
| ES427190A1 (es) | 1976-08-01 |
| IT985690B (it) | 1974-12-10 |
| BE816260A (fr) | 1974-12-13 |
| CA1008114A (en) | 1977-04-05 |
| BR7404815A (pt) | 1976-02-17 |
| JPS5035670A (xx) | 1975-04-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |