FR690813A - Device for adjusting the pressure, as well as the temperature of water, steam, air, etc., in particular for trickle installations in rooms with fire danger - Google Patents

Device for adjusting the pressure, as well as the temperature of water, steam, air, etc., in particular for trickle installations in rooms with fire danger

Info

Publication number
FR690813A
FR690813A FR690813DA FR690813A FR 690813 A FR690813 A FR 690813A FR 690813D A FR690813D A FR 690813DA FR 690813 A FR690813 A FR 690813A
Authority
FR
France
Prior art keywords
rooms
steam
adjusting
air
well
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
Hermann Albrecht
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 FR690813A publication Critical patent/FR690813A/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
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
    • G05D16/2097—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power using pistons within the main valve

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
FR690813D 1930-02-28 1930-02-28 Device for adjusting the pressure, as well as the temperature of water, steam, air, etc., in particular for trickle installations in rooms with fire danger Expired FR690813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR690813T 1930-02-28

Publications (1)

Publication Number Publication Date
FR690813A true FR690813A (en) 1930-09-26

Family

ID=9030984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690813D Expired FR690813A (en) 1930-02-28 1930-02-28 Device for adjusting the pressure, as well as the temperature of water, steam, air, etc., in particular for trickle installations in rooms with fire danger

Country Status (1)

Country Link
FR (1) FR690813A (en)

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