IN154972B - - Google Patents
Info
- Publication number
- IN154972B IN154972B IN1232/CAL/81A IN1232CA1981A IN154972B IN 154972 B IN154972 B IN 154972B IN 1232CA1981 A IN1232CA1981 A IN 1232CA1981A IN 154972 B IN154972 B IN 154972B
- Authority
- IN
- India
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 (1)
| Publication Number | Publication Date |
|---|---|
| IN154972B true IN154972B (it) | 1984-12-22 |
Family
ID=22766686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1232/CAL/81A IN154972B (it) | 1980-11-13 | 1981-11-05 |
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 |
| MY158650A (en) * | 2006-08-10 | 2016-10-31 | Ubukata Ind Co Ltd | Thermally responsive switch |
| US8902037B2 (en) * | 2006-08-10 | 2014-12-02 | Ubukata Industries Co., Ltd. | Thermally responsive switch |
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 |
|---|---|
| FR2494032B1 (fr) | 1987-01-09 |
| IT1139706B (it) | 1986-09-24 |
| US4426560A (en) | 1984-01-17 |
| IT8125034A0 (it) | 1981-11-12 |
| DE3144598A1 (de) | 1982-07-15 |
| JPS57109226A (en) | 1982-07-07 |
| GB2087651A (en) | 1982-05-26 |
| FR2494032A1 (fr) | 1982-05-14 |
| CA1177865A (en) | 1984-11-13 |
| GB2087651B (en) | 1985-04-24 |