FR2004231A1 - - Google Patents

Info

Publication number
FR2004231A1
FR2004231A1 FR6907786A FR6907786A FR2004231A1 FR 2004231 A1 FR2004231 A1 FR 2004231A1 FR 6907786 A FR6907786 A FR 6907786A FR 6907786 A FR6907786 A FR 6907786A FR 2004231 A1 FR2004231 A1 FR 2004231A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR6907786A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
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 FR2004231A1 publication Critical patent/FR2004231A1/fr
Withdrawn legal-status Critical Current

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
    • H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
FR6907786A 1968-03-19 1969-03-18 Withdrawn FR2004231A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71419768A 1968-03-19 1968-03-19

Publications (1)

Publication Number Publication Date
FR2004231A1 true FR2004231A1 (en) 1969-11-21

Family

ID=24869104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6907786A Withdrawn FR2004231A1 (en) 1968-03-19 1969-03-18

Country Status (5)

Country Link
US (1) US3592987A (en)
BE (1) BE729723A (en)
CH (1) CH493924A (en)
DE (1) DE1910633A1 (en)
FR (1) FR2004231A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2117845C3 (en) * 1971-04-13 1975-08-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Contact arrangement for vacuum switch
US3828428A (en) * 1972-09-25 1974-08-13 Westinghouse Electric Corp Matrix-type electrodes having braze-penetration barrier
JPS49126547U (en) * 1973-03-02 1974-10-30
DE2536153B2 (en) * 1975-08-13 1977-06-08 Siemens AG, 1000 Berlin und 8000 München PROCESS FOR PRODUCING MULTI-LAYER CONTACT PIECES FOR VACUUM MEDIUM VOLTAGE CIRCUIT BREAKERS
NL170995C (en) * 1978-12-01 1983-01-17 Hazemeijer Bv VACUUM SWITCH, METAL SCREEN AND CATCH ELEMENT THEREFOR.
US4547640A (en) * 1981-10-01 1985-10-15 Kabushiki Kaisha Meidensha Electrical contact structure of a vacuum interrupter
JPS59214123A (en) * 1983-05-18 1984-12-04 三菱電機株式会社 Contact material for vacuum breaker
JPH0760623B2 (en) * 1986-01-21 1995-06-28 株式会社東芝 Contact alloy for vacuum valve
DE3829888A1 (en) * 1988-09-02 1990-03-15 Calor Emag Elektrizitaets Ag Vacuum switching chamber
US4940862A (en) * 1989-10-26 1990-07-10 Westinghouse Electric Corp. Vacuum interrupter with improved vapor shield for gas adsorption
US5852266A (en) * 1993-07-14 1998-12-22 Hitachi, Ltd. Vacuum circuit breaker as well as vacuum valve and electric contact used in same
DE29704327U1 (en) * 1997-02-28 1998-07-02 Siemens Ag Vacuum interrupter with a getter device
DE19714654A1 (en) * 1997-04-09 1998-10-15 Abb Patent Gmbh Vacuum switch with copper-based contact pieces
DE10322927A1 (en) * 2003-05-21 2004-12-16 Abb Patent Gmbh Vacuum switching chamber has getter material in form of tablet or ring fixed in recess, preferably bore, in fixed and/or movable contact carrier
CN107293442B (en) * 2016-03-30 2019-05-24 北京京东方真空电器有限责任公司 A kind of insulation crust having integrated function and its manufacturing method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR351131A (en) * 1904-01-18 1905-07-04 Ludwig Klenk Engraving, enlarging, reducing machine, etc.
GB403937A (en) * 1932-04-01 1934-01-04 Gen Electric Improvements relating to electric switches
US2121180A (en) * 1935-11-21 1938-06-21 Siemens Ag Method for gettering vacuum tubes
US2794885A (en) * 1954-12-13 1957-06-04 Jennings Radio Mfg Corp Vacuum switch
GB978973A (en) * 1961-06-30 1965-01-01 English Electric Co Ltd Improvements in and relating to vacuum electric switches
US3158719A (en) * 1962-04-03 1964-11-24 Gen Electric Contact structure for an electric circuit interrupter
GB1079013A (en) * 1964-04-21 1967-08-09 English Electric Co Ltd Improvements in or relating to contacts and electrodes

Also Published As

Publication number Publication date
US3592987A (en) 1971-07-13
DE1910633A1 (en) 1969-10-09
CH493924A (en) 1970-07-15
BE729723A (en) 1969-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse