FR837199A - Switch refinements - Google Patents

Switch refinements

Info

Publication number
FR837199A
FR837199A FR837199DA FR837199A FR 837199 A FR837199 A FR 837199A FR 837199D A FR837199D A FR 837199DA FR 837199 A FR837199 A FR 837199A
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 FR837199A publication Critical patent/FR837199A/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
    • H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
FR837199D 1937-05-13 1938-04-27 Switch refinements Expired FR837199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US837199XA 1937-05-13 1937-05-13

Publications (1)

Publication Number Publication Date
FR837199A true FR837199A (en) 1939-02-03

Family

ID=22180237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837199D Expired FR837199A (en) 1937-05-13 1938-04-27 Switch refinements

Country Status (1)

Country Link
FR (1) FR837199A (en)

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