BE440836A - - Google Patents

Info

Publication number
BE440836A
BE440836A BE440836DA BE440836A BE 440836 A BE440836 A BE 440836A BE 440836D A BE440836D A BE 440836DA BE 440836 A BE440836 A BE 440836A
Authority
BE
Belgium
Application number
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.)
Publication of BE440836A publication Critical patent/BE440836A/xx

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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
    • 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
    • H01H33/92—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 liquid, e.g. oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
BE440836D 1939-06-22 BE440836A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860421T 1939-06-22

Publications (1)

Publication Number Publication Date
BE440836A true BE440836A (en)

Family

ID=9333482

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440836D BE440836A (en) 1939-06-22

Country Status (4)

Country Link
US (1) US2281385A (en)
BE (1) BE440836A (en)
FR (1) FR860421A (en)
GB (1) GB537364A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781435A (en) * 1951-03-18 1957-02-12 Heilmann Philipp Arc-extinguishing mechanism for electric switches
US2757261A (en) * 1951-07-19 1956-07-31 Westinghouse Electric Corp Circuit interrupters
GB710925A (en) * 1951-10-26 1954-06-23 Westinghouse Electric Int Co Improvements in or relating to electric circuit interrupter devices
US2788418A (en) * 1954-03-22 1957-04-09 Gertrude M Idzkowski Circuit interrupter
FR1108749A (en) * 1954-06-18 1956-01-17 Device for interrupting high power electric arcs
US2924690A (en) * 1954-12-24 1960-02-09 Westinghouse Electric Corp Circuit interrupters
US2919330A (en) * 1956-01-30 1959-12-29 Oerlikon Engineering Company Low-oil content high-tension oil circuit breaker
US3529108A (en) * 1966-09-01 1970-09-15 Westinghouse Electric Corp Nozzle and contact construction for fluid-blast circuit interrupters
US3688242A (en) * 1969-10-24 1972-08-29 Morganite Resistors Ltd Shunt for oil-immersed circuit breaker
US5349019A (en) * 1988-12-24 1994-09-20 Hoechst New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils

Also Published As

Publication number Publication date
FR860421A (en) 1941-01-14
GB537364A (en) 1941-06-18
US2281385A (en) 1942-04-28

Similar Documents

Publication Publication Date Title
BE440836A (en)
BE403779A (en)
BE413600A (en)
BE421934A (en)
BE428333A (en)
BE431181A (en)
BE432222A (en)
BE432228A (en)
BE432632A (en)
BE432683A (en)
BE432823A (en)
BE432902A (en)
BE432967A (en)
BE432980A (en)
BE433383A (en)
BE433398A (en)
BE433403A (en)
BE433599A (en)
BE433615A (en)
BE433626A (en)
BE433708A (en)
BE433833A (en)
BE433845A (en)
BE433856A (en)
BE433994A (en)