FR2775047B1 - REDUCED LOAD PASSAGE VALVE OF A PUMP - Google Patents

REDUCED LOAD PASSAGE VALVE OF A PUMP

Info

Publication number
FR2775047B1
FR2775047B1 FR9802228A FR9802228A FR2775047B1 FR 2775047 B1 FR2775047 B1 FR 2775047B1 FR 9802228 A FR9802228 A FR 9802228A FR 9802228 A FR9802228 A FR 9802228A FR 2775047 B1 FR2775047 B1 FR 2775047B1
Authority
FR
France
Prior art keywords
pump
reduced load
passage valve
load passage
valve
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 - Fee Related
Application number
FR9802228A
Other languages
French (fr)
Other versions
FR2775047A1 (en
Inventor
Victor Marian
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9802228A priority Critical patent/FR2775047B1/en
Publication of FR2775047A1 publication Critical patent/FR2775047A1/en
Application granted granted Critical
Publication of FR2775047B1 publication Critical patent/FR2775047B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • 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
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
    • 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
    • G05D16/0402—Control of fluid pressure without auxiliary power with two or more controllers mounted in series

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
FR9802228A 1998-02-19 1998-02-19 REDUCED LOAD PASSAGE VALVE OF A PUMP Expired - Fee Related FR2775047B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9802228A FR2775047B1 (en) 1998-02-19 1998-02-19 REDUCED LOAD PASSAGE VALVE OF A PUMP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9802228A FR2775047B1 (en) 1998-02-19 1998-02-19 REDUCED LOAD PASSAGE VALVE OF A PUMP

Publications (2)

Publication Number Publication Date
FR2775047A1 FR2775047A1 (en) 1999-08-20
FR2775047B1 true FR2775047B1 (en) 2000-03-31

Family

ID=9523310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802228A Expired - Fee Related FR2775047B1 (en) 1998-02-19 1998-02-19 REDUCED LOAD PASSAGE VALVE OF A PUMP

Country Status (1)

Country Link
FR (1) FR2775047B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112555470A (en) * 2020-11-20 2021-03-26 中国煤炭科工集团太原研究院有限公司 Novel unloading valve for water system of side continuous mining machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131125A (en) * 1977-05-31 1978-12-26 Societe Anonyme D.B.A. Charging valve for a fluid pressure accumulator
DE3926847A1 (en) * 1989-08-15 1991-02-21 Hauhinco Maschf Hydraulic control valve for water hydraulics - involves two=part valve body with plunger and sleeve

Also Published As

Publication number Publication date
FR2775047A1 (en) 1999-08-20

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Legal Events

Date Code Title Description
CA Change of address
ST Notification of lapse