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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
BE (1) BE378023A (enrdf_load_stackoverflow)
DE (1) DE583009C (enrdf_load_stackoverflow)
GB (1) GB350529A (enrdf_load_stackoverflow)

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
DE583009C (de) 1933-08-26
BE378023A (enrdf_load_stackoverflow)
US1936492A (en) 1933-11-21

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