GB350529A - Improvements in electrical switches or circuit breakers - Google Patents

Improvements in electrical switches or circuit breakers

Info

Publication number
GB350529A
GB350529A GB7750/30A GB775030A GB350529A GB 350529 A GB350529 A GB 350529A GB 7750/30 A GB7750/30 A GB 7750/30A GB 775030 A GB775030 A GB 775030A GB 350529 A GB350529 A GB 350529A
Authority
GB
United Kingdom
Prior art keywords
contacts
crosshead
fixed
oil
movable
Prior art date
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
GB7750/30A
Other languages
English (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.)
Whitehead S Electrical Inv S L
Original Assignee
Whitehead S Electrical Inv S L
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 to BE378023D priority Critical patent/BE378023A/xx
Application filed by Whitehead S Electrical Inv S L filed Critical Whitehead S Electrical Inv S L
Priority to GB7750/30A priority patent/GB350529A/en
Priority to DE1930583009D priority patent/DE583009C/de
Priority to US519805A priority patent/US1936492A/en
Publication of GB350529A publication Critical patent/GB350529A/en
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
    • H01H33/90—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)
GB7750/30A 1930-03-10 1930-03-10 Improvements in electrical switches or circuit breakers Expired GB350529A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE378023D BE378023A (cs) 1930-03-10
GB7750/30A GB350529A (en) 1930-03-10 1930-03-10 Improvements in electrical switches or circuit breakers
DE1930583009D DE583009C (de) 1930-03-10 1930-08-23 OElschalter
US519805A US1936492A (en) 1930-03-10 1931-03-03 Circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7750/30A GB350529A (en) 1930-03-10 1930-03-10 Improvements in electrical switches or circuit breakers

Publications (1)

Publication Number Publication Date
GB350529A true GB350529A (en) 1931-06-10

Family

ID=9838993

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7750/30A Expired GB350529A (en) 1930-03-10 1930-03-10 Improvements in electrical switches or circuit breakers

Country Status (4)

Country Link
US (1) US1936492A (cs)
BE (1) BE378023A (cs)
DE (1) DE583009C (cs)
GB (1) GB350529A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758604C (de) * 1939-02-01 1953-04-09 Sachsenwerk Licht Und Kraft A Leistungsschalter
US2419106A (en) * 1944-01-29 1947-04-15 Westinghouse Electric Corp Oil circuit breaker
US2957063A (en) * 1958-03-07 1960-10-18 Westinghouse Electric Corp Pumped-gas circuit interrupter
US3751617A (en) * 1972-06-14 1973-08-07 Gen Electric Vacuum type circuit breaker

Also Published As

Publication number Publication date
US1936492A (en) 1933-11-21
DE583009C (de) 1933-08-26
BE378023A (cs)

Similar Documents

Publication Publication Date Title
US1783279A (en) Circuit interrupter
US3331935A (en) Gas-blast circuit breaker having dual piston means providing double-acting puffer arrangement
GB513619A (en) Improvements in and relating to liquid-blast electric circuit breakers
US2769063A (en) Circuit interrupting device
CN209388942U (zh) 一种双断口户外高压隔离负荷开关
US2965735A (en) Compressed-gas circuit interrupter
GB350529A (en) Improvements in electrical switches or circuit breakers
US2163558A (en) Circuit breaker
US2911546A (en) Electric circuit breaker
US3356809A (en) Multi-break compressed-gas circuit interrupters with rotating gasconducting bridging members
GB472721A (en) Improvements in or relating to electric circuit interrupters
US2581571A (en) Circuit interrupter
GB493262A (en) Improvements in and relating to liquid-blast electric circuit breakers
US2416185A (en) Fluid blast circuit interrupter
US2737556A (en) Circuit interrupter
US2669629A (en) Circuit interrupter
US3099733A (en) Circuit interrupter
US3538282A (en) Fluid-blast circuit interrupters with exhaust valves responsive solely to the pressure generated by an arc of excessive magnitude
US3303309A (en) Series connected switches of different types
US2666118A (en) Circuit interrupter
US4972055A (en) Multiple vacuum interrupter fluid insulated circuit breaker with isolation gap
US2530952A (en) Circuit interrupter
US3246108A (en) Arc-extinguishing structure and tank housing for a compressed-gas circuit interrupter
US2692320A (en) Circuit interrupter
GB392926A (en) Improvements in electrical switches or circuit breakers