FR770484A - Safety device for automatic lowering of gas pressure - Google Patents

Safety device for automatic lowering of gas pressure

Info

Publication number
FR770484A
FR770484A FR770484DA FR770484A FR 770484 A FR770484 A FR 770484A FR 770484D A FR770484D A FR 770484DA FR 770484 A FR770484 A FR 770484A
Authority
FR
France
Prior art keywords
gas pressure
safety device
automatic lowering
lowering
automatic
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
William Fred Mesinger
Arthur Carroll Mattison
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 FR770484A publication Critical patent/FR770484A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
    • F16K17/19—Equalising valves predominantly for tanks
    • F16K17/192—Equalising valves predominantly for tanks with closure member in the form of a movable liquid column

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
FR770484D 1933-03-28 1934-03-21 Safety device for automatic lowering of gas pressure Expired FR770484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US770484XA 1933-03-28 1933-03-28

Publications (1)

Publication Number Publication Date
FR770484A true FR770484A (en) 1934-09-14

Family

ID=22135766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR770484D Expired FR770484A (en) 1933-03-28 1934-03-21 Safety device for automatic lowering of gas pressure

Country Status (1)

Country Link
FR (1) FR770484A (en)

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