JPS49103170A - - Google Patents

Info

Publication number
JPS49103170A
JPS49103170A JP49007951A JP795174A JPS49103170A JP S49103170 A JPS49103170 A JP S49103170A JP 49007951 A JP49007951 A JP 49007951A JP 795174 A JP795174 A JP 795174A JP S49103170 A JPS49103170 A JP S49103170A
Authority
JP
Japan
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.)
Granted
Application number
JP49007951A
Other languages
Japanese (ja)
Other versions
JPS553772B2 (enExample
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 filed Critical
Priority to FR7415902A priority Critical patent/FR2258086A7/fr
Priority to NL7408978A priority patent/NL7408978A/xx
Publication of JPS49103170A publication Critical patent/JPS49103170A/ja
Publication of JPS553772B2 publication Critical patent/JPS553772B2/ja
Expired 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
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
    • 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/168—Impedances connected with contacts the impedance being inserted both while closing and while opening the switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Keying Circuit Devices (AREA)
JP795174A 1973-01-19 1974-01-18 Expired JPS553772B2 (enExample)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7415902A FR2258086A7 (en) 1974-01-18 1974-05-08 Special shape eating fork - has prong length increasing steadily from one side to other
NL7408978A NL7408978A (nl) 1974-01-18 1974-07-03 Eetvork.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00324949A US3842225A (en) 1973-01-19 1973-01-19 High voltage circuit breaker utilizing insertion of a fixed resistance during opening and closing

Publications (2)

Publication Number Publication Date
JPS49103170A true JPS49103170A (enExample) 1974-09-30
JPS553772B2 JPS553772B2 (enExample) 1980-01-26

Family

ID=23265818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP795174A Expired JPS553772B2 (enExample) 1973-01-19 1974-01-18

Country Status (2)

Country Link
US (1) US3842225A (enExample)
JP (1) JPS553772B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123154U (enExample) * 1979-02-23 1980-09-01

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3175976B2 (ja) * 1992-06-18 2001-06-11 株式会社東芝 抵抗付遮断器
FR2780210B1 (fr) * 1998-06-19 2000-07-13 Alsthom Gec Dispositif limiteur pour disjoncteur haute tension a cuve metallique mise a la terre
EP1376633A1 (de) * 2002-06-17 2004-01-02 Abb Research Ltd. Stromschalteinrichtung
US8710726B1 (en) 2012-06-14 2014-04-29 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reduced plating ignitron

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665396A (en) * 1951-11-02 1954-01-05 Mcgraw Electric Co Circuit breaker
US3114816A (en) * 1960-09-22 1963-12-17 Gen Electric Circuit breaker of gas blast type having insulator bushing means for externally locating an impedance means
US3590186A (en) * 1968-12-19 1971-06-29 Allis Chalmers Mfg Co Vacuum interrupter having series connected resistor and shunting means for the latter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123154U (enExample) * 1979-02-23 1980-09-01

Also Published As

Publication number Publication date
US3842225A (en) 1974-10-15
JPS553772B2 (enExample) 1980-01-26

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