FR989787A - Pressure regulator device for liquid pumps, in particular for agricultural sprayers - Google Patents

Pressure regulator device for liquid pumps, in particular for agricultural sprayers

Info

Publication number
FR989787A
FR989787A FR989787DA FR989787A FR 989787 A FR989787 A FR 989787A FR 989787D A FR989787D A FR 989787DA FR 989787 A FR989787 A FR 989787A
Authority
FR
France
Prior art keywords
pressure regulator
regulator device
liquid pumps
agricultural sprayers
sprayers
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
Georges Garnier
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 FR989787A publication Critical patent/FR989787A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
    • F04B11/0025—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring the spring fluid being in direct contact with the pumped fluid
    • 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
    • G05D16/12—Control of fluid pressure without auxiliary power the sensing element being a float

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
FR989787D 1949-04-29 1949-04-29 Pressure regulator device for liquid pumps, in particular for agricultural sprayers Expired FR989787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989787T 1949-04-29

Publications (1)

Publication Number Publication Date
FR989787A true FR989787A (en) 1951-09-13

Family

ID=9540486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989787D Expired FR989787A (en) 1949-04-29 1949-04-29 Pressure regulator device for liquid pumps, in particular for agricultural sprayers

Country Status (1)

Country Link
FR (1) FR989787A (en)

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