JPS4954867A - - Google Patents
Info
- Publication number
- JPS4954867A JPS4954867A JP48048969A JP4896973A JPS4954867A JP S4954867 A JPS4954867 A JP S4954867A JP 48048969 A JP48048969 A JP 48048969A JP 4896973 A JP4896973 A JP 4896973A JP S4954867 A JPS4954867 A JP S4954867A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- H01H33/7076—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by the use of special materials
-
- 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
- H01H33/7053—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 having a bridging element around two hollow tubular contacts
Landscapes
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Contacts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2221630A DE2221630B2 (de) | 1972-04-28 | 1972-04-28 | Kontaktsystem für Hochspannungs-Leistungsschalter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4954867A true JPS4954867A (US06534493-20030318-C00288.png) | 1974-05-28 |
| JPS564005B2 JPS564005B2 (US06534493-20030318-C00288.png) | 1981-01-28 |
Family
ID=5843940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4896973A Expired JPS564005B2 (US06534493-20030318-C00288.png) | 1972-04-28 | 1973-04-28 |
Country Status (8)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH594973A5 (US06534493-20030318-C00288.png) * | 1975-05-28 | 1978-01-31 | Bbc Brown Boveri & Cie | |
| JPS5856176U (ja) * | 1981-10-09 | 1983-04-16 | 電気化学計器株式会社 | プランジヤポンプ |
| DE3434083A1 (de) * | 1984-09-17 | 1986-03-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Leistungskontaktelement fuer hochspannungs-leistungsschalter |
| EP0205897B1 (de) * | 1985-06-24 | 1991-10-16 | BBC Brown Boveri AG | Abbrandkontaktstück und Verfahren zur Herstellung eines solchen Abbrandkontaktstückes oder eines vergleichbaren Bauteils |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2319240A (en) * | 1940-03-19 | 1943-05-18 | Mallory & Co Inc P R | Electric contact and the like |
| US2365132A (en) * | 1941-09-25 | 1944-12-12 | Reyrolle A & Co Ltd | Electric circuit breaker of the gas-blast type |
-
1972
- 1972-04-28 DE DE2221630A patent/DE2221630B2/de not_active Ceased
-
1973
- 1973-01-30 FR FR7303274A patent/FR2181699B1/fr not_active Expired
- 1973-03-16 CH CH384973A patent/CH547006A/xx not_active IP Right Cessation
- 1973-04-19 IT IT23156/73A patent/IT983973B/it active
- 1973-04-23 US US353365A patent/US3925631A/en not_active Expired - Lifetime
- 1973-04-27 SE SE7305987A patent/SE389761B/xx unknown
- 1973-04-28 JP JP4896973A patent/JPS564005B2/ja not_active Expired
- 1973-04-30 GB GB2051773A patent/GB1401111A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2181699B1 (US06534493-20030318-C00288.png) | 1977-02-04 |
| US3925631A (en) | 1975-12-09 |
| JPS564005B2 (US06534493-20030318-C00288.png) | 1981-01-28 |
| SE389761B (sv) | 1976-11-15 |
| DE2221630A1 (de) | 1973-11-15 |
| FR2181699A1 (US06534493-20030318-C00288.png) | 1973-12-07 |
| IT983973B (it) | 1974-11-11 |
| GB1401111A (en) | 1975-07-16 |
| CH547006A (de) | 1974-03-15 |
| DE2221630B2 (de) | 1979-05-23 |
