FR687116A - Improvements to electrical devices such as circuit breakers, switches and the like - Google Patents

Improvements to electrical devices such as circuit breakers, switches and the like

Info

Publication number
FR687116A
FR687116A FR687116DA FR687116A FR 687116 A FR687116 A FR 687116A FR 687116D A FR687116D A FR 687116DA FR 687116 A FR687116 A FR 687116A
Authority
FR
France
Prior art keywords
switches
circuit breakers
electrical devices
breakers
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR687116A publication Critical patent/FR687116A/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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • 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
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H33/593—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for ensuring operation of the switch at a predetermined point of the ac cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
FR687116D 1928-12-24 1929-12-23 Improvements to electrical devices such as circuit breakers, switches and the like Expired FR687116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3?16?A US1805497A (en) 1928-12-24 1928-12-24 Electric switch

Publications (1)

Publication Number Publication Date
FR687116A true FR687116A (en) 1930-08-05

Family

ID=23279774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687116D Expired FR687116A (en) 1928-12-24 1929-12-23 Improvements to electrical devices such as circuit breakers, switches and the like

Country Status (3)

Country Link
US (1) US1805497A (en)
FR (1) FR687116A (en)
GB (1) GB339133A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436665A (en) * 1944-12-27 1948-02-24 Gen Electric Electric circuit interrupter
US2748227A (en) * 1951-06-27 1956-05-29 Yorkshire Switchgear & Eng Co Electric circuit breakers
US2913556A (en) * 1956-03-14 1959-11-17 Westinghouse Electric Corp Circuit interrupters
DE1150443B (en) * 1960-12-19 1963-06-20 Siemens Ag Electrodynamic drive
US3198918A (en) * 1961-02-13 1965-08-03 Ite Circuit Breaker Ltd Bracing and support structure for oil circuit breakers

Also Published As

Publication number Publication date
US1805497A (en) 1931-05-19
GB339133A (en) 1930-12-04

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