FR2226740B1 - - Google Patents

Info

Publication number
FR2226740B1
FR2226740B1 FR7314636A FR7314636A FR2226740B1 FR 2226740 B1 FR2226740 B1 FR 2226740B1 FR 7314636 A FR7314636 A FR 7314636A FR 7314636 A FR7314636 A FR 7314636A FR 2226740 B1 FR2226740 B1 FR 2226740B1
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.)
Expired
Application number
FR7314636A
Other languages
French (fr)
Other versions
FR2226740A1 (en
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from CH552373A external-priority patent/CH554069A/en
Priority to DE2319836A priority Critical patent/DE2319836C3/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to FR7314636A priority patent/FR2226740B1/fr
Priority to US352993A priority patent/US3872272A/en
Publication of FR2226740A1 publication Critical patent/FR2226740A1/fr
Application granted granted Critical
Publication of FR2226740B1 publication Critical patent/FR2226740B1/fr
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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/882—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts the movement being assisted by accelerating coils
    • 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
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
FR7314636A 1973-04-17 1973-04-20 Expired FR2226740B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2319836A DE2319836C3 (en) 1973-04-17 1973-04-18 Circuit breaker
FR7314636A FR2226740B1 (en) 1973-04-17 1973-04-20
US352993A US3872272A (en) 1973-04-17 1973-04-20 Circuit breaker

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH552373A CH554069A (en) 1973-04-17 1973-04-17 ELECTRIC CIRCUIT BREAKER, IN PARTICULAR PRESSURE GAS SWITCH.
DE2319836A DE2319836C3 (en) 1973-04-17 1973-04-18 Circuit breaker
FR7314636A FR2226740B1 (en) 1973-04-17 1973-04-20
US352993A US3872272A (en) 1973-04-17 1973-04-20 Circuit breaker

Publications (2)

Publication Number Publication Date
FR2226740A1 FR2226740A1 (en) 1974-11-15
FR2226740B1 true FR2226740B1 (en) 1978-01-06

Family

ID=27428903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7314636A Expired FR2226740B1 (en) 1973-04-17 1973-04-20

Country Status (3)

Country Link
US (1) US3872272A (en)
DE (1) DE2319836C3 (en)
FR (1) FR2226740B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538130C2 (en) * 1975-08-25 1985-03-28 Siemens AG, 1000 Berlin und 8000 München High voltage switch
DE2601857A1 (en) * 1976-01-20 1977-07-21 Licentia Gmbh BLOW PLUG SWITCH
CH594977A5 (en) * 1976-03-29 1978-01-31 Bbc Brown Boveri & Cie
CH594996A5 (en) * 1976-03-30 1978-01-31 Bbc Brown Boveri & Cie
DE2650493C2 (en) * 1976-11-04 1985-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auto-pneumatic pressure gas switch
US4319105A (en) * 1976-12-27 1982-03-09 Siemens-Allis, Inc. High voltage air disconnect switch incorporating a puffer type load break switch
US4123637A (en) * 1976-12-27 1978-10-31 Siemens-Allis, Inc. High voltage air disconnect switch incorporating a puffer-type load break switch
CH642481A5 (en) * 1979-11-22 1984-04-13 Sprecher & Schuh Ag EXHAUST GAS SWITCH.
FR2681724B1 (en) * 1991-09-24 1997-01-31 Alsthom Gec HIGH VOLTAGE CIRCUIT BREAKER WITH HIGH ARC VOLTAGE.
DE4339923A1 (en) * 1993-11-19 1995-05-24 Siemens Ag Electric gas pressure switch
FR3039924B1 (en) 2015-08-07 2019-05-10 Supergrid Institute MECHANICAL CUTTING APPARATUS OF AN ELECTRIC CIRCUIT

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828466A (en) * 1937-01-28 1938-05-18 Alsthom Cgee Improvement in switches, arc blowing by gas under pressure, operating as self-compressors
US2381244A (en) * 1943-01-07 1945-08-07 Westinghouse Electric Corp Circuit interrupter
US2781435A (en) * 1951-03-18 1957-02-12 Heilmann Philipp Arc-extinguishing mechanism for electric switches
US2913556A (en) * 1956-03-14 1959-11-17 Westinghouse Electric Corp Circuit interrupters
US2933575A (en) * 1956-10-22 1960-04-19 Westinghouse Electric Corp Circuit interrupters
BE559372A (en) * 1956-11-20
US3551625A (en) * 1966-09-01 1970-12-29 Westinghouse Electric Corp Circuit breakers
US3549842A (en) * 1966-11-21 1970-12-22 Westinghouse Electric Corp Fluid-blast circuit interrupter with piston assembly and electromagnetic driving means
US3621171A (en) * 1968-05-06 1971-11-16 Hitachi Ltd Gas blast circuit breaker with puffer piston having an electrodynamic assist in the form of axially overlapping coils

Also Published As

Publication number Publication date
DE2319836C3 (en) 1981-12-24
DE2319836B2 (en) 1975-11-20
DE2319836A1 (en) 1974-11-07
FR2226740A1 (en) 1974-11-15
US3872272A (en) 1975-03-18

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