FR33988E - Improvements to contactors, switches and magnetic blow-out circuit breakers - Google Patents

Improvements to contactors, switches and magnetic blow-out circuit breakers

Info

Publication number
FR33988E
FR33988E FR33988DA FR33988E FR 33988 E FR33988 E FR 33988E FR 33988D A FR33988D A FR 33988DA FR 33988 E FR33988 E FR 33988E
Authority
FR
France
Prior art keywords
contactors
switches
circuit breakers
out circuit
magnetic blow
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
Priority claimed from US121893A external-priority patent/US1796131A/en
Priority claimed from US121894A external-priority patent/US1796066A/en
Priority claimed from US124506A external-priority patent/US1623851A/en
Priority claimed from US124505A external-priority patent/US1796160A/en
Priority claimed from US125778A external-priority patent/US1742565A/en
Priority claimed from US129328A external-priority patent/US1713229A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR33988E publication Critical patent/FR33988E/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
    • H01H9/34—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
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
FR33988D 1926-07-12 1927-08-12 Improvements to contactors, switches and magnetic blow-out circuit breakers Expired FR33988E (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US121893A US1796131A (en) 1926-07-12 1926-07-12 Circuit interrupter
US121894A US1796066A (en) 1926-07-12 1926-07-12 Circuit interrupter
US124506A US1623851A (en) 1926-07-23 1926-07-23 Circuit interrupter
US124505A US1796160A (en) 1926-07-23 1926-07-23 Circuit interrupter
US125778A US1742565A (en) 1926-07-29 1926-07-29 Circuit interrupter
US129328A US1713229A (en) 1926-08-16 1926-08-16 Circuit interrupter

Publications (1)

Publication Number Publication Date
FR33988E true FR33988E (en) 1929-04-29

Family

ID=27557977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33988D Expired FR33988E (en) 1926-07-12 1927-08-12 Improvements to contactors, switches and magnetic blow-out circuit breakers

Country Status (1)

Country Link
FR (1) FR33988E (en)

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