FR735943A - Improvements to horns for electric arc devices - Google Patents

Improvements to horns for electric arc devices

Info

Publication number
FR735943A
FR735943A FR735943DA FR735943A FR 735943 A FR735943 A FR 735943A FR 735943D A FR735943D A FR 735943DA FR 735943 A FR735943 A FR 735943A
Authority
FR
France
Prior art keywords
horns
electric arc
arc devices
devices
electric
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 FR735943A publication Critical patent/FR735943A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
FR735943D 1931-05-06 1932-04-25 Improvements to horns for electric arc devices Expired FR735943A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US535381A US1934518A (en) 1931-05-06 1931-05-06 Arc horn
GB16109/32A GB391998A (en) 1931-05-06 1932-06-07 Improvements in or relating to electric arc horns

Publications (1)

Publication Number Publication Date
FR735943A true FR735943A (en) 1932-11-17

Family

ID=26251818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR735943D Expired FR735943A (en) 1931-05-06 1932-04-25 Improvements to horns for electric arc devices

Country Status (4)

Country Link
US (1) US1934518A (en)
DE (1) DE591423C (en)
FR (1) FR735943A (en)
GB (1) GB391998A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436189A (en) * 1945-09-17 1948-02-17 Gen Electric Arc extinguishing device
US2460727A (en) * 1945-10-08 1949-02-01 Gen Electric Arc extinguishing device
US2585810A (en) * 1945-10-26 1952-02-12 George E Mallinckrodt Valveless pulse jet engine having electric arc heating means
US2953666A (en) * 1956-12-31 1960-09-20 Allen Bradley Co High voltage air break switch
GB839301A (en) * 1957-08-30 1960-06-29 Allis Chalmers Mfg Co Improved electric circuit-breaker having arc-extinguishing means

Also Published As

Publication number Publication date
GB391998A (en) 1933-05-11
DE591423C (en) 1934-01-20
US1934518A (en) 1933-11-07

Similar Documents

Publication Publication Date Title
FR735943A (en) Improvements to horns for electric arc devices
FR755742A (en) Improvements to electrical switches
FR756120A (en) Improvements made to switchgear panels, in particular those for electrical devices
FR749408A (en) Improvements to electric cables
FR768027A (en) Improvements to electrical switches
FR732912A (en) Improvements to buttons for electric bells with indicator light
FR761457A (en) Improvements to electrical switches
FR761826A (en) Improvements to electrical switches
FR740743A (en) Improvements to electrical warning devices
FR749017A (en) Improvements to electric resonance devices
FR747075A (en) Improvements to electrical contactor devices
FR719953A (en) Improvements to recording devices
FR720891A (en) Improvements to horn hearing devices
FR751897A (en) Improvements to electric circuit cartridges for pneumatic tubes
FR747434A (en) Improvements to drawing devices
FR711102A (en) Improvements to automatic switch handles for hand-held electrical devices
FR739473A (en) Improvements to electrical insulators
FR761862A (en) Improvements to electric arc projectors
FR736585A (en) Improvements to devices for permanent waves
FR736929A (en) Improvements to devices for permanent waves
FR738929A (en) Improvements to devices for permanent waves
FR40997E (en) Cabinet for electrical devices
FR721297A (en) Bell for line to lay
FR734338A (en) Improvements to listening devices
FR762258A (en) Improvements to devices for rectifying electric currents