IT8125034A0 - Interruttore elettrico a pressione ridotta. - Google Patents
Interruttore elettrico a pressione ridotta.Info
- Publication number
- IT8125034A0 IT8125034A0 IT8125034A IT2503481A IT8125034A0 IT 8125034 A0 IT8125034 A0 IT 8125034A0 IT 8125034 A IT8125034 A IT 8125034A IT 2503481 A IT2503481 A IT 2503481A IT 8125034 A0 IT8125034 A0 IT 8125034A0
- Authority
- IT
- Italy
- Prior art keywords
- reduced pressure
- electric switch
- pressure electric
- switch
- reduced
- 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
- H01H33/002—Very heavy-current switches
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/206,502 US4426560A (en) | 1980-11-13 | 1980-11-13 | Reduced pressure electrical switch |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8125034A0 true IT8125034A0 (it) | 1981-11-12 |
IT1139706B IT1139706B (it) | 1986-09-24 |
Family
ID=22766686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25034/81A IT1139706B (it) | 1980-11-13 | 1981-11-12 | Interruttore elettrico a pressione ridotta |
Country Status (8)
Country | Link |
---|---|
US (1) | US4426560A (it) |
JP (1) | JPS57109226A (it) |
CA (1) | CA1177865A (it) |
DE (1) | DE3144598A1 (it) |
FR (1) | FR2494032B1 (it) |
GB (1) | GB2087651B (it) |
IN (1) | IN154972B (it) |
IT (1) | IT1139706B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3430490A1 (de) * | 1984-08-18 | 1986-02-27 | Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim | Schaltkammer fuer ein elektrisches schaltgeraet, insbesondere zur verwendung in der niederspannungs-energietechnik |
DE3432025A1 (de) * | 1984-08-31 | 1986-03-13 | Kromberg & Schubert, 5600 Wuppertal | Schaltgeraet, insbesondere zum ein- und ausschalten von stromverbrauchern grosser leistung |
DE4020820C2 (de) * | 1990-06-29 | 1998-04-16 | Ritter Starkstromtech | Kurzschließeranordnung für Hochstrom |
JPH0479117A (ja) * | 1990-07-19 | 1992-03-12 | Fuji Electric Co Ltd | ガス絶縁開閉装置 |
GB0225088D0 (en) * | 2002-10-29 | 2002-12-04 | Univ Liverpool | circuit breaker |
US8902037B2 (en) * | 2006-08-10 | 2014-12-02 | Ubukata Industries Co., Ltd. | Thermally responsive switch |
RU2394299C1 (ru) * | 2006-08-10 | 2010-07-10 | Убуката Индастриз Ко., Лтд. | Термочувствительный переключатель |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2326074A (en) * | 1939-09-20 | 1943-08-03 | Westinghouse Electric & Mfg Co | Circuit interrupter |
DE1100780B (de) * | 1959-07-17 | 1961-03-02 | Siemens Ag | Kurzschliesser zur UEberbrueckung von Stoerlichtboegen in elektrischen Mittel- oder Hochspannungsanlagen |
DD108407A1 (it) * | 1973-12-20 | 1974-09-12 | ||
NL154369B (nl) * | 1973-12-21 | 1977-08-15 | Hazemeijer Bv | Elektrische hoogspanningsschakelaar met twee in serie geschakelde schakeltrajecten. |
US3950628A (en) * | 1974-10-10 | 1976-04-13 | Westinghouse Electric Corporation | Bellows type shorting switch |
ZA767617B (en) * | 1976-01-19 | 1977-11-30 | Westinghouse Electric Corp | An improvement in or relating to low voltage vacuum shorting switch |
DE2812987A1 (de) * | 1978-03-23 | 1979-10-04 | Tokyo Shibaura Electric Co | Vakuumunterbrecher |
US4216361A (en) * | 1978-11-17 | 1980-08-05 | Westinghouse Electric Corp. | Low voltage vacuum switch with plural conic shields about the contacts |
JPS5826132B2 (ja) * | 1978-11-22 | 1983-06-01 | 株式会社日立製作所 | 真空しや断器 |
JPS5811050B2 (ja) * | 1978-12-25 | 1983-03-01 | 富士通株式会社 | リ−ドスイツチ |
-
1980
- 1980-11-13 US US06/206,502 patent/US4426560A/en not_active Expired - Lifetime
-
1981
- 1981-10-30 CA CA000389155A patent/CA1177865A/en not_active Expired
- 1981-11-04 GB GB8133212A patent/GB2087651B/en not_active Expired
- 1981-11-05 IN IN1232/CAL/81A patent/IN154972B/en unknown
- 1981-11-10 DE DE19813144598 patent/DE3144598A1/de not_active Ceased
- 1981-11-12 IT IT25034/81A patent/IT1139706B/it active
- 1981-11-13 FR FR8121303A patent/FR2494032B1/fr not_active Expired
- 1981-11-13 JP JP56181259A patent/JPS57109226A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4426560A (en) | 1984-01-17 |
IT1139706B (it) | 1986-09-24 |
FR2494032B1 (fr) | 1987-01-09 |
DE3144598A1 (de) | 1982-07-15 |
JPS57109226A (en) | 1982-07-07 |
IN154972B (it) | 1984-12-22 |
GB2087651A (en) | 1982-05-26 |
FR2494032A1 (fr) | 1982-05-14 |
CA1177865A (en) | 1984-11-13 |
GB2087651B (en) | 1985-04-24 |
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