FR787177A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR787177A
FR787177A FR787177DA FR787177A FR 787177 A FR787177 A FR 787177A FR 787177D A FR787177D A FR 787177DA FR 787177 A FR787177 A FR 787177A
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 FR787177A publication Critical patent/FR787177A/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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H2033/085—Stationary parts for restricting or subdividing the arc, e.g. barrier plate using a flat arc chute, the width of arc chamber being only slightly greater then thickness of switch blade
    • 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
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes
FR787177D 1934-03-16 1935-03-13 Improvements to electrical switches Expired FR787177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US715817A US2088489A (en) 1934-03-16 1934-03-16 Circuit interrupter

Publications (1)

Publication Number Publication Date
FR787177A true FR787177A (en) 1935-09-18

Family

ID=24875606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787177D Expired FR787177A (en) 1934-03-16 1935-03-13 Improvements to electrical switches

Country Status (4)

Country Link
US (1) US2088489A (en)
FR (1) FR787177A (en)
GB (1) GB436122A (en)
NL (1) NL41750C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429846A (en) * 1944-03-24 1947-10-28 Gen Electric Electric circuit interrupter
DE19636296B4 (en) * 1996-09-06 2008-10-02 Areva Sachsenwerk Gmbh Flat arcing chamber
FR2823904B1 (en) * 2001-04-19 2003-06-06 Schneider Electric Ind Sa MONOBLOCK DIFFUSER FOR ELECTRICAL SWITCHING APPARATUS

Also Published As

Publication number Publication date
GB436122A (en) 1935-10-04
US2088489A (en) 1937-07-27
NL41750C (en)

Similar Documents

Publication Publication Date Title
FR792242A (en) Improvements to circuit breakers
FR814518A (en) Improvements made to electrical switches
FR44399E (en) Improvements to circuit breakers
FR820647A (en) Improvements to electrical switches
FR755742A (en) Improvements to electrical switches
FR776106A (en) Improvements to electrical switches
FR788083A (en) Improvements to electrical switches
FR794429A (en) Improvements to electrical conductors
FR788480A (en) Improvements to electrical switches
FR787177A (en) Improvements to electrical switches
FR795277A (en) Improvements to electrical conductors
FR818454A (en) Improvements to electrical contacts
FR794137A (en) Improvements to electrical switches
FR750133A (en) Improvements to electrical contacts
FR792013A (en) Improvements to electrical switches
FR761457A (en) Improvements to electrical switches
FR761826A (en) Improvements to electrical switches
FR801592A (en) Improvements to electrical switches
FR808980A (en) Improvements to electrical switches
FR776257A (en) Improvements to electrical switches
FR815027A (en) Improvements made to electrical switches
FR781135A (en) Improvements to electrical disconnectors
FR795713A (en) Improvements made to electric cables
FR796006A (en) Improvements to electric lamps
FR776049A (en) Improvements to electric lighters