FR720819A - Improvements in automatic contactors - Google Patents

Improvements in automatic contactors

Info

Publication number
FR720819A
FR720819A FR720819DA FR720819A FR 720819 A FR720819 A FR 720819A FR 720819D A FR720819D A FR 720819DA FR 720819 A FR720819 A FR 720819A
Authority
FR
France
Prior art keywords
contactors
automatic
automatic contactors
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
Edmond Marchant
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 FR720819A publication Critical patent/FR720819A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
    • H01H35/2614—Means for adjustment of "ON" or "OFF" operating pressure by varying the bias on the pressure sensitive element

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
FR720819D 1931-07-29 1931-07-29 Improvements in automatic contactors Expired FR720819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720819T 1931-07-29

Publications (1)

Publication Number Publication Date
FR720819A true FR720819A (en) 1932-02-24

Family

ID=9094908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720819D Expired FR720819A (en) 1931-07-29 1931-07-29 Improvements in automatic contactors

Country Status (1)

Country Link
FR (1) FR720819A (en)

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