FR2413704A1 - Reducteur de pression hydraulique a attenuateur de surpression - Google Patents

Reducteur de pression hydraulique a attenuateur de surpression

Info

Publication number
FR2413704A1
FR2413704A1 FR7739785A FR7739785A FR2413704A1 FR 2413704 A1 FR2413704 A1 FR 2413704A1 FR 7739785 A FR7739785 A FR 7739785A FR 7739785 A FR7739785 A FR 7739785A FR 2413704 A1 FR2413704 A1 FR 2413704A1
Authority
FR
France
Prior art keywords
slide valve
spring
attenuator
overpressure
drive piston
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.)
Granted
Application number
FR7739785A
Other languages
English (en)
Other versions
FR2413704B1 (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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR7739785A priority Critical patent/FR2413704A1/fr
Publication of FR2413704A1 publication Critical patent/FR2413704A1/fr
Application granted granted Critical
Publication of FR2413704B1 publication Critical patent/FR2413704B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • 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
    • G05D16/101—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the controller being arranged as a multiple-way 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
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • G05D16/107—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger with a spring-loaded piston in combination with a spring-loaded slideable obturator that move together over range of motion during normal operation
    • 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
    • G05D16/109—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger with two or more pistons acting as a single pressure controller that move together over range of motion during normal operations

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Pressure (AREA)
  • Safety Valves (AREA)

Abstract

REDUCTEUR DE PRESSION HYDRAULIQUE A ATTENUATEUR DE SURPRESSION DONT UNE EXTREMITE DU TIROIR DE REGLAGE DE DEBIT VIENT EN APPUI SUR UNE SOUPAPE DE DECOMPRESSION REGLANT SON CALAGE AU TARAGE DESIRE CARACTERISE EN CE QUE L'EXTREMITE OPPOSEE DUDIT TIROIR 22 PREND APPUI SUR UN PISTON DE DEMARRAGE 31 CALE SUR UN RESSORT D'EXTREMITE 14 ASSURANT AU REPOS LA FERMETURE DU TIROIR 22 ET SOUMIS A L'OPPOSE A LA PRESSION AMONT DU REDUCTEUR. APPLICATION AUX CIRCUITS HYDRAULIQUES, EN PARTICULIER A HAUTE PRESSION.
FR7739785A 1977-12-30 1977-12-30 Reducteur de pression hydraulique a attenuateur de surpression Granted FR2413704A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7739785A FR2413704A1 (fr) 1977-12-30 1977-12-30 Reducteur de pression hydraulique a attenuateur de surpression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7739785A FR2413704A1 (fr) 1977-12-30 1977-12-30 Reducteur de pression hydraulique a attenuateur de surpression

Publications (2)

Publication Number Publication Date
FR2413704A1 true FR2413704A1 (fr) 1979-07-27
FR2413704B1 FR2413704B1 (fr) 1982-12-17

Family

ID=9199551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7739785A Granted FR2413704A1 (fr) 1977-12-30 1977-12-30 Reducteur de pression hydraulique a attenuateur de surpression

Country Status (1)

Country Link
FR (1) FR2413704A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645927A3 (fr) * 2004-10-09 2008-07-23 Zf Friedrichshafen Ag Vanne de réduction de pression à commande hydraulique et procédé de mise en oeuvre d'une vanne de réduction de pression à commande hydraulique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699178A (en) * 1952-09-13 1955-01-11 Denison Eng Co Relief, sequence, and unloader valve
US3339579A (en) * 1965-08-27 1967-09-05 Bendix Corp Pressure hold off valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699178A (en) * 1952-09-13 1955-01-11 Denison Eng Co Relief, sequence, and unloader valve
US3339579A (en) * 1965-08-27 1967-09-05 Bendix Corp Pressure hold off valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645927A3 (fr) * 2004-10-09 2008-07-23 Zf Friedrichshafen Ag Vanne de réduction de pression à commande hydraulique et procédé de mise en oeuvre d'une vanne de réduction de pression à commande hydraulique

Also Published As

Publication number Publication date
FR2413704B1 (fr) 1982-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse