FR830489A - Interrupteurs électriques - Google Patents

Interrupteurs électriques

Info

Publication number
FR830489A
FR830489A FR830489DA FR830489A FR 830489 A FR830489 A FR 830489A FR 830489D A FR830489D A FR 830489DA FR 830489 A FR830489 A FR 830489A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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
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
Application granted granted Critical
Publication of FR830489A publication Critical patent/FR830489A/fr
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)
FR830489D 1937-05-25 1937-12-07 Interrupteurs électriques Expired FR830489A (fr)

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
FR830489A true FR830489A (fr) 1938-08-01

Family

ID=22509418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830489D Expired FR830489A (fr) 1937-05-25 1937-12-07 Interrupteurs électriques

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
US2214620A (en) 1940-09-10
GB498581A (en) 1939-01-10
NL48665C (fr)

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