[go: up one dir, main page]

FR750505A - - Google Patents

Info

Publication number
FR750505A
FR750505A FR750505DA FR750505A FR 750505 A FR750505 A FR 750505A FR 750505D A FR750505D A FR 750505DA FR 750505 A FR750505 A FR 750505A
Authority
FR
France
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)
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 filed Critical
Application granted granted Critical
Publication of FR750505A publication Critical patent/FR750505A/fr
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
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • 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
    • 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
    • H01H9/36—Metal parts
    • H01H2009/367—Metal parts defining a recurrent path, e.g. the subdivided arc is moved in a closed path between each pair of splitter plates
FR750505D 1931-01-24 1933-02-09 Expired FR750505A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US510981A US2037418A (en) 1931-01-24 1931-01-24 Circuit breaker
US511010A US1927888A (en) 1931-01-24 1931-01-24 Circuit breaker
US511184A US1927904A (en) 1931-01-24 1931-01-26 Circuit breaker
US593273A US1896779A (en) 1931-01-24 1932-02-16 Circuit interrupter
US69325A US2100743A (en) 1931-01-24 1936-03-17 Circuit breaker

Publications (1)

Publication Number Publication Date
FR750505A true FR750505A (en) 1933-08-10

Family

ID=32034459

Family Applications (2)

Application Number Title Priority Date Filing Date
FR730297D Expired FR730297A (en) 1931-01-24 1932-01-22 Improvements to switches incorporating arc extinguishing devices
FR750505D Expired FR750505A (en) 1931-01-24 1933-02-09

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR730297D Expired FR730297A (en) 1931-01-24 1932-01-22 Improvements to switches incorporating arc extinguishing devices

Country Status (4)

Country Link
US (5) US1927888A (en)
DE (2) DE591597C (en)
FR (2) FR730297A (en)
GB (4) GB388519A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE483190A (en) * 1939-03-22
US2293513A (en) * 1939-10-11 1942-08-18 Gen Electric Electric air circuit breaker
US2460727A (en) * 1945-10-08 1949-02-01 Gen Electric Arc extinguishing device
FR480612A (en) * 1948-02-11 1916-08-31 Edwin Ross Arnold Plate guard
BE498021A (en) * 1949-10-13 Merlin Gerin
US2632826A (en) * 1949-12-10 1953-03-24 Gen Electric Arc quenching circuit interrupter
US2708698A (en) * 1951-12-04 1955-05-17 Allis Chalmers Mfg Co Arc chute with barrier plates having arc constricting means
US2933574A (en) * 1954-04-26 1960-04-19 Westinghouse Electric Corp Circuit interrupters
US2795675A (en) * 1954-12-08 1957-06-11 Westinghouse Electric Corp Circuit interrupter
DE1031866B (en) * 1956-10-20 1958-06-12 Voigt & Haeffner Ag Arc extinguishing device for electrical switches
US2942083A (en) * 1956-12-24 1960-06-21 Westinghouse Electric Corp Circuit interrupters
CH360109A (en) * 1958-07-22 1962-02-15 Oerlikon Maschf Arc chimney on an air switch
FR1224133A (en) * 1959-01-20 1960-06-22 Merlin Gerin Improvements to arc extinguishing devices
DE1276165B (en) * 1961-02-20 1968-08-29 Licentia Gmbh Arc extinguishing chamber for electrical switchgear
DE1261218B (en) * 1964-04-14 1968-02-15 Licentia Gmbh Circuit breaker for direct or alternating current
US4764184A (en) * 1986-01-10 1988-08-16 Sasol Operations (Proprietary) Limited Apparatus for the gasification of coal
CN101787867B (en) * 2010-01-28 2012-09-26 吉林大学 Drilling mud forced cooling and circulating system

Also Published As

Publication number Publication date
GB388175A (en) 1933-02-23
US1927888A (en) 1933-09-26
FR730297A (en) 1932-08-10
US1896779A (en) 1933-02-07
DE592684C (en) 1934-02-15
GB388519A (en) 1933-03-02
US2037418A (en) 1936-04-14
DE591597C (en) 1934-01-25
US2100743A (en) 1937-11-30
US1927904A (en) 1933-09-26
GB399695A (en) 1933-10-12
GB394740A (en) 1933-07-06

Similar Documents

Publication Publication Date Title
BE377446A (en)
BE378467A (en)
BE378523A (en)
BE362823A (en)
BE373801A (en)
BE375242A (en)
BE375720A (en)
BE376369A (en)
BE376486A (en)
BE376494A (en)
BE376552A (en)
BE376624A (en)
BE376809A (en)
BE376820A (en)
BE376960A (en)
BE376961A (en)
BE377041A (en)
BE377073A (en)
BE377126A (en)
BE377219A (en)
BE377275A (en)
BE377461A (en)
BE377475A (en)
BE377489A (en)
BE377515A (en)