FR393780A - Oil switch - Google Patents

Oil switch

Info

Publication number
FR393780A
FR393780A FR393780DA FR393780A FR 393780 A FR393780 A FR 393780A FR 393780D A FR393780D A FR 393780DA FR 393780 A FR393780 A FR 393780A
Authority
FR
France
Prior art keywords
oil switch
oil
switch
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)
Inventor
Johan Burchardt Opsahl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR393780A publication Critical patent/FR393780A/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
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/84—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being liquid, e.g. oil
    • H01H33/85—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being liquid, e.g. oil wherein the contacts are opened by the flow of liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
FR393780D 1907-09-28 1908-08-21 Oil switch Expired FR393780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US393780XA 1907-09-28 1907-09-28

Publications (1)

Publication Number Publication Date
FR393780A true FR393780A (en) 1909-01-06

Family

ID=1439061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393780D Expired FR393780A (en) 1907-09-28 1908-08-21 Oil switch

Country Status (1)

Country Link
FR (1) FR393780A (en)

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