FR830656A - Switch refinements - Google Patents

Switch refinements

Info

Publication number
FR830656A
FR830656A FR830656DA FR830656A FR 830656 A FR830656 A FR 830656A FR 830656D A FR830656D A FR 830656DA FR 830656 A FR830656 A FR 830656A
Authority
FR
France
Prior art keywords
refinements
switch
switch refinements
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR830656A publication Critical patent/FR830656A/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)
  • Arc-Extinguishing Devices That Are Switches (AREA)
FR830656D 1937-05-28 1937-12-10 Switch refinements Expired FR830656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US145273A US2138382A (en) 1937-05-28 1937-05-28 Circuit breaker

Publications (1)

Publication Number Publication Date
FR830656A true FR830656A (en) 1938-08-05

Family

ID=22512352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830656D Expired FR830656A (en) 1937-05-28 1937-12-10 Switch refinements

Country Status (5)

Country Link
US (1) US2138382A (en)
CH (1) CH207591A (en)
DE (1) DE713419C (en)
FR (1) FR830656A (en)
GB (1) GB495540A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758604C (en) * 1939-02-01 1953-04-09 Sachsenwerk Licht Und Kraft A Circuit breaker
US2507210A (en) * 1944-11-28 1950-05-09 Westinghouse Electric Corp Gas blast circuit breaker
US2580291A (en) * 1947-02-21 1951-12-25 Westinghouse Electric Corp Circuit interrupter
US2667556A (en) * 1950-06-14 1954-01-26 Westinghouse Electric Corp Circuit interrupter

Also Published As

Publication number Publication date
US2138382A (en) 1938-11-29
CH207591A (en) 1939-11-15
GB495540A (en) 1938-11-15
DE713419C (en) 1941-11-10

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