FR721908A - Improvements in automatic valves - Google Patents

Improvements in automatic valves

Info

Publication number
FR721908A
FR721908A FR721908DA FR721908A FR 721908 A FR721908 A FR 721908A FR 721908D A FR721908D A FR 721908DA FR 721908 A FR721908 A FR 721908A
Authority
FR
France
Prior art keywords
automatic valves
valves
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)
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.)
DISTRIBUZIONE RAZIONALE ACQUE
Original Assignee
DISTRIBUZIONE RAZIONALE ACQUE
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 DISTRIBUZIONE RAZIONALE ACQUE filed Critical DISTRIBUZIONE RAZIONALE ACQUE
Application granted granted Critical
Publication of FR721908A publication Critical patent/FR721908A/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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
FR721908D 1930-08-27 1931-08-24 Improvements in automatic valves Expired FR721908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT721908X 1930-08-27

Publications (1)

Publication Number Publication Date
FR721908A true FR721908A (en) 1932-03-09

Family

ID=11314997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721908D Expired FR721908A (en) 1930-08-27 1931-08-24 Improvements in automatic valves

Country Status (1)

Country Link
FR (1) FR721908A (en)

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