IT983973B - HIGH VOLTAGE ELECTRIC POWER SWITCH - Google Patents
HIGH VOLTAGE ELECTRIC POWER SWITCHInfo
- Publication number
- IT983973B IT983973B IT23156/73A IT2315673A IT983973B IT 983973 B IT983973 B IT 983973B IT 23156/73 A IT23156/73 A IT 23156/73A IT 2315673 A IT2315673 A IT 2315673A IT 983973 B IT983973 B IT 983973B
- Authority
- IT
- Italy
- Prior art keywords
- electric power
- high voltage
- power switch
- voltage electric
- switch
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2221630A DE2221630B2 (en) | 1972-04-28 | 1972-04-28 | Contact system for high-voltage circuit breakers |
Publications (1)
Publication Number | Publication Date |
---|---|
IT983973B true IT983973B (en) | 1974-11-11 |
Family
ID=5843940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23156/73A IT983973B (en) | 1972-04-28 | 1973-04-19 | HIGH VOLTAGE ELECTRIC POWER SWITCH |
Country Status (8)
Country | Link |
---|---|
US (1) | US3925631A (en) |
JP (1) | JPS564005B2 (en) |
CH (1) | CH547006A (en) |
DE (1) | DE2221630B2 (en) |
FR (1) | FR2181699B1 (en) |
GB (1) | GB1401111A (en) |
IT (1) | IT983973B (en) |
SE (1) | SE389761B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH594973A5 (en) * | 1975-05-28 | 1978-01-31 | Bbc Brown Boveri & Cie | |
JPS5856176U (en) * | 1981-10-09 | 1983-04-16 | 電気化学計器株式会社 | plunger pump |
DE3434083A1 (en) * | 1984-09-17 | 1986-03-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Power contact element for high-voltage power circuit breakers |
EP0205897B1 (en) * | 1985-06-24 | 1991-10-16 | BBC Brown Boveri AG | Arcing contact piece and process for manufacturing such a piece or the like |
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/en not_active Ceased
-
1973
- 1973-01-30 FR FR7303274A patent/FR2181699B1/fr not_active Expired
- 1973-03-16 CH CH384973A patent/CH547006A/en not_active IP Right Cessation
- 1973-04-19 IT IT23156/73A patent/IT983973B/en active
- 1973-04-23 US US353365A patent/US3925631A/en not_active Expired - Lifetime
- 1973-04-27 SE SE7305987A patent/SE389761B/en 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 |
---|---|
JPS4954867A (en) | 1974-05-28 |
DE2221630B2 (en) | 1979-05-23 |
DE2221630A1 (en) | 1973-11-15 |
US3925631A (en) | 1975-12-09 |
FR2181699A1 (en) | 1973-12-07 |
CH547006A (en) | 1974-03-15 |
FR2181699B1 (en) | 1977-02-04 |
JPS564005B2 (en) | 1981-01-28 |
SE389761B (en) | 1976-11-15 |
GB1401111A (en) | 1975-07-16 |
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