BE727154A - - Google Patents
Info
- Publication number
- BE727154A BE727154A BE727154DA BE727154A BE 727154 A BE727154 A BE 727154A BE 727154D A BE727154D A BE 727154DA BE 727154 A BE727154 A BE 727154A
- Authority
- BE
- Belgium
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70100768A | 1968-01-26 | 1968-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727154A true BE727154A (US06371994-20020416-C00029.png) | 1969-07-01 |
Family
ID=24815700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727154D BE727154A (US06371994-20020416-C00029.png) | 1968-01-26 | 1969-01-20 |
Country Status (7)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3744045A (en) * | 1970-12-24 | 1973-07-03 | Westinghouse Electric Corp | Potential indicator for high voltage switchgear |
| US4103291A (en) * | 1976-09-30 | 1978-07-25 | Howe Francis M | Leak sensor and indicating system for vacuum circuit interrupters |
| EP0036760B1 (en) * | 1980-03-24 | 1986-06-11 | Kabushiki Kaisha Meidensha | Vacuum circuit interrupter system |
| JPS56167221A (en) * | 1980-05-27 | 1981-12-22 | Meidensha Electric Mfg Co Ltd | Vacuum degree monitor for vacuum switch |
| DE3272713D1 (en) * | 1981-06-12 | 1986-09-25 | Meidensha Electric Mfg Co Ltd | Electric field detector |
| DE3270153D1 (en) * | 1981-10-30 | 1986-04-30 | Meidensha Electric Mfg Co Ltd | Vacuum monitor for vacuum interrupter and use of the vacuum monitor |
| US4553139A (en) * | 1982-07-05 | 1985-11-12 | Kabushiki Kaisha Meidensha | Vacuum monitor for vacuum interrupter |
| DE3810157A1 (de) * | 1988-03-25 | 1989-10-12 | Bosch Gmbh Robert | Ueberwachung von elektrischen geraeten |
| TW405135B (en) * | 1998-03-19 | 2000-09-11 | Hitachi Ltd | Vacuum insulated switch apparatus |
| EP2689442B1 (en) * | 2011-03-25 | 2015-01-07 | ABB Technology AG | An improved tap changer |
| JP6136597B2 (ja) * | 2013-06-06 | 2017-05-31 | 株式会社明電舎 | 封止形リレー |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2516010A (en) * | 1948-07-17 | 1950-07-18 | Westinghouse Electric Corp | Discharge indicator for capacitors |
| US3263162A (en) * | 1962-04-20 | 1966-07-26 | Gen Electric | Apparatus and method for measuring the pressure inside a vacuum circuit interrupter |
| US3312895A (en) * | 1962-10-23 | 1967-04-04 | Westinghouse Electric Corp | Transmission line monitor apparatus utilizing electromagnetic radiation between the line and a remote point |
| CA836137A (en) * | 1963-05-03 | 1970-03-03 | Westinghouse Electric Corporation | Current responsive apparatus for high voltage circuits |
| US3404247A (en) * | 1966-03-08 | 1968-10-01 | Gen Electric | Pressure responsive protective means for vacuum type circuit interrupters |
| US3403297A (en) * | 1966-03-17 | 1968-09-24 | Gen Electric | Vacuum-type circuit interrupter with pressure-monitoring means |
| US3495165A (en) * | 1967-02-13 | 1970-02-10 | Gen Electric | Vacuum device gas measurement apparatus and method |
-
1968
- 1968-01-26 US US701007A patent/US3594754A/en not_active Expired - Lifetime
- 1968-12-13 DE DE19681814410 patent/DE1814410A1/de not_active Withdrawn
-
1969
- 1969-01-09 AT AT18469A patent/AT288526B/de not_active IP Right Cessation
- 1969-01-09 ES ES362280A patent/ES362280A1/es not_active Expired
- 1969-01-13 CH CH34769A patent/CH487492A/de not_active IP Right Cessation
- 1969-01-20 BE BE727154D patent/BE727154A/xx unknown
- 1969-01-24 FR FR6901359A patent/FR2000805A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3594754A (en) | 1971-07-20 |
| CH487492A (de) | 1970-03-15 |
| ES362280A1 (es) | 1970-12-01 |
| DE1814410A1 (de) | 1969-10-23 |
| AT288526B (de) | 1971-03-10 |
| DE1814410B2 (US06371994-20020416-C00029.png) | 1970-06-18 |
| FR2000805A1 (US06371994-20020416-C00029.png) | 1969-09-12 |
