GB498581A - Improvements in or relating to electric circuit interrupters of the liquid-immersed type - Google Patents

Improvements in or relating to electric circuit interrupters of the liquid-immersed type

Info

Publication number
GB498581A
GB498581A GB8657/38A GB865738A GB498581A GB 498581 A GB498581 A GB 498581A GB 8657/38 A GB8657/38 A GB 8657/38A GB 865738 A GB865738 A GB 865738A GB 498581 A GB498581 A GB 498581A
Authority
GB
United Kingdom
Prior art keywords
arc
contact
arm
liquid
passage
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
GB8657/38A
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Publication of GB498581A publication Critical patent/GB498581A/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)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Circuit Breakers (AREA)
GB8657/38A 1937-05-25 1938-03-21 Improvements in or relating to electric circuit interrupters of the liquid-immersed type Expired GB498581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US144626A US2214620A (en) 1937-05-25 1937-05-25 Circuit interrupter

Publications (1)

Publication Number Publication Date
GB498581A true GB498581A (en) 1939-01-10

Family

ID=22509418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8657/38A Expired GB498581A (en) 1937-05-25 1938-03-21 Improvements in or relating to electric circuit interrupters of the liquid-immersed type

Country Status (4)

Country Link
US (1) US2214620A (fr)
FR (1) FR830489A (fr)
GB (1) GB498581A (fr)
NL (1) NL48665C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467788A (en) * 1944-07-20 1949-04-19 Westinghouse Electric Corp Circuit interrupter
US2465240A (en) * 1944-08-31 1949-03-22 Westinghouse Electric Corp Circuit interrupter
US2477781A (en) * 1946-10-07 1949-08-02 Westinghouse Electric Corp Circuit interrupter

Also Published As

Publication number Publication date
FR830489A (fr) 1938-08-01
NL48665C (fr)
US2214620A (en) 1940-09-10

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