CH487492A - Einrichtung zur kontinuierlichen Anzeige der Druckverhältnisse in einem Vakuumschalter - Google Patents

Einrichtung zur kontinuierlichen Anzeige der Druckverhältnisse in einem Vakuumschalter

Info

Publication number
CH487492A
CH487492A CH34769A CH34769A CH487492A CH 487492 A CH487492 A CH 487492A CH 34769 A CH34769 A CH 34769A CH 34769 A CH34769 A CH 34769A CH 487492 A CH487492 A CH 487492A
Authority
CH
Switzerland
Prior art keywords
pressure conditions
vacuum switch
continuous display
continuous
display
Prior art date
Application number
CH34769A
Other languages
German (de)
English (en)
Inventor
E Voshall Roy
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of CH487492A publication Critical patent/CH487492A/de

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
CH34769A 1968-01-26 1969-01-13 Einrichtung zur kontinuierlichen Anzeige der Druckverhältnisse in einem Vakuumschalter CH487492A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70100768A 1968-01-26 1968-01-26

Publications (1)

Publication Number Publication Date
CH487492A true CH487492A (de) 1970-03-15

Family

ID=24815700

Family Applications (1)

Application Number Title Priority Date Filing Date
CH34769A CH487492A (de) 1968-01-26 1969-01-13 Einrichtung zur kontinuierlichen Anzeige der Druckverhältnisse in einem Vakuumschalter

Country Status (7)

Country Link
US (1) US3594754A (US20080094685A1-20080424-C00004.png)
AT (1) AT288526B (US20080094685A1-20080424-C00004.png)
BE (1) BE727154A (US20080094685A1-20080424-C00004.png)
CH (1) CH487492A (US20080094685A1-20080424-C00004.png)
DE (1) DE1814410A1 (US20080094685A1-20080424-C00004.png)
ES (1) ES362280A1 (US20080094685A1-20080424-C00004.png)
FR (1) FR2000805A1 (US20080094685A1-20080424-C00004.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
EP0067683B1 (en) * 1981-06-12 1986-08-20 Kabushiki Kaisha Meidensha 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
WO2012134958A1 (en) * 2011-03-25 2012-10-04 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AT288526B (de) 1971-03-10
BE727154A (US20080094685A1-20080424-C00004.png) 1969-07-01
ES362280A1 (es) 1970-12-01
FR2000805A1 (US20080094685A1-20080424-C00004.png) 1969-09-12
DE1814410A1 (de) 1969-10-23
DE1814410B2 (US20080094685A1-20080424-C00004.png) 1970-06-18
US3594754A (en) 1971-07-20

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Legal Events

Date Code Title Description
PL Patent ceased