FR855242A - Electrical switches - Google Patents

Electrical switches

Info

Publication number
FR855242A
FR855242A FR855242DA FR855242A FR 855242 A FR855242 A FR 855242A FR 855242D A FR855242D A FR 855242DA FR 855242 A FR855242 A FR 855242A
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
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 FR855242A publication Critical patent/FR855242A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
FR855242D 1938-05-25 1939-05-24 Electrical switches Expired FR855242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US209969A US2294801A (en) 1938-05-25 1938-05-25 Circuit interrupter

Publications (1)

Publication Number Publication Date
FR855242A true FR855242A (en) 1940-05-06

Family

ID=22781073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855242D Expired FR855242A (en) 1938-05-25 1939-05-24 Electrical switches

Country Status (5)

Country Link
US (1) US2294801A (en)
DE (1) DE922836C (en)
FR (1) FR855242A (en)
GB (1) GB528896A (en)
NL (1) NL93053C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459599A (en) * 1944-09-20 1949-01-18 Westinghouse Electric Corp Circuit interrupter
US2654815A (en) * 1948-12-27 1953-10-06 Murray Mfg Corp Electric circuit interrupter
US2591950A (en) * 1949-02-08 1952-04-08 S & C Electric Co Circuit interrupter
DE1074122B (en) * 1955-11-04 1960-01-28
US3259724A (en) * 1959-08-27 1966-07-05 Westinghouse Electric Corp Fluid-blast circuit interrupter having serially-related pressure-generating and interrupting arcs
US3235696A (en) * 1963-07-31 1966-02-15 Mc Graw Edison Co Load break disconnecting device with solid nonconducting arc suppression means
FR2441261A1 (en) * 1978-11-10 1980-06-06 Merlin Gerin ROTARY ARC SWITCH
DE3215919C2 (en) * 1982-04-29 1986-09-04 Brown, Boveri & Cie Ag, 6800 Mannheim Explosion-proof or firedamp-proof electrical switching device
US4958052A (en) * 1989-02-14 1990-09-18 Mahieu William R ARC severing and displacement method and apparatus for fault current interruption

Also Published As

Publication number Publication date
US2294801A (en) 1942-09-01
DE922836C (en) 1955-01-27
GB528896A (en) 1940-11-08
NL93053C (en) 1960-01-15

Similar Documents

Publication Publication Date Title
FR852275A (en) Electrical switching devices
CH214484A (en) Electric switch.
FR871370A (en) Electric circuits
FR925345A (en) Electrical switches
FR855242A (en) Electrical switches
FR858325A (en) Improvements to electrical switches
FR859101A (en) Electrical networks
CH214010A (en) Electric switch.
FR861703A (en) Electric conductors
FR852037A (en) The electric cables
FR850075A (en) Improvements to electrical switches
FR856963A (en) Advanced electric oscillators
FR849033A (en) Switchboard
FR851088A (en) Electric capacitors
FR830489A (en) Electrical switches
FR861118A (en) Circuit switch
FR861907A (en) Improvements to electrical switches
FR849420A (en) Electric switch
FR873138A (en) Electric switch
FR852337A (en) Electric capacitors
FR855831A (en) Electric circuits
FR861908A (en) Improvements to electrical switches
FR858421A (en) Improvements to electrical switches
FR874739A (en) Insulator
FR850257A (en) Insulating substance