FR3108959B1 - Device for the pressure safety of a hydraulic system - Google Patents

Device for the pressure safety of a hydraulic system Download PDF

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Publication number
FR3108959B1
FR3108959B1 FR2003339A FR2003339A FR3108959B1 FR 3108959 B1 FR3108959 B1 FR 3108959B1 FR 2003339 A FR2003339 A FR 2003339A FR 2003339 A FR2003339 A FR 2003339A FR 3108959 B1 FR3108959 B1 FR 3108959B1
Authority
FR
France
Prior art keywords
safety
circuit
hydraulic system
fluid
pump
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.)
Active
Application number
FR2003339A
Other languages
French (fr)
Other versions
FR3108959A1 (en
Inventor
Eddy Marie-Couste
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.)
Filln Print SAS
Original Assignee
Filln Print 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 Filln Print SAS filed Critical Filln Print SAS
Priority to FR2003339A priority Critical patent/FR3108959B1/en
Priority to PCT/EP2021/058800 priority patent/WO2021198512A1/en
Publication of FR3108959A1 publication Critical patent/FR3108959A1/en
Application granted granted Critical
Publication of FR3108959B1 publication Critical patent/FR3108959B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/03—Stopping, starting, unloading or idling control by means of valves
    • F04B49/035—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
    • 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
    • F04B49/10—Other safety measures
    • 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
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/108—Valves characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

L’invention concerne un dispositif pour la sécurité à la pression d’un système hydraulique, ledit système hydraulique comporte : un circuit d’un fluide, et une pompe configurée pour faire circuler ledit fluide dans le système hydraulique dont le circuit de fluide comporte un circuit de sécurité positionné en pontage de la pompe. A l’intérieur du circuit de sécurité est disposé un bouchon (20) de sécurité, ledit bouchon (20) ayant un diamètre égal au diamètre intérieur dudit circuit de sécurité. Lorsque la pression en sortie de pompe est inférieure à une valeur limite prédéterminée, le circuit de sécurité est bouché par le bouchon (20) de sécurité, et lorsque la pression en sortie de pompe est supérieure à ladite valeur limite prédéterminée, la paroi du circuit de sécurité se déforme et laisse passer une partie du fluide dans le circuit dudit fluide vers l’entrée de la pompe. Figure pour l’abrégé : Fig. 1The invention relates to a device for the pressure safety of a hydraulic system, said hydraulic system comprises: a circuit of a fluid, and a pump configured to circulate said fluid in the hydraulic system, the fluid circuit of which comprises a safety circuit positioned in bypass of the pump. Inside the safety circuit is arranged a safety plug (20), said plug (20) having a diameter equal to the inside diameter of said safety circuit. When the pressure at the pump outlet is lower than a predetermined limit value, the safety circuit is blocked by the safety cap (20), and when the pressure at the pump outlet is higher than said predetermined limit value, the wall of the circuit safety deforms and allows part of the fluid to pass through the circuit of said fluid towards the inlet of the pump. Figure for abstract: Fig. 1

FR2003339A 2020-04-03 2020-04-03 Device for the pressure safety of a hydraulic system Active FR3108959B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2003339A FR3108959B1 (en) 2020-04-03 2020-04-03 Device for the pressure safety of a hydraulic system
PCT/EP2021/058800 WO2021198512A1 (en) 2020-04-03 2021-04-02 Hydraulic system with a pressure safety device for said hydraulic system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2003339 2020-04-03
FR2003339A FR3108959B1 (en) 2020-04-03 2020-04-03 Device for the pressure safety of a hydraulic system

Publications (2)

Publication Number Publication Date
FR3108959A1 FR3108959A1 (en) 2021-10-08
FR3108959B1 true FR3108959B1 (en) 2022-03-18

Family

ID=70978206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2003339A Active FR3108959B1 (en) 2020-04-03 2020-04-03 Device for the pressure safety of a hydraulic system

Country Status (2)

Country Link
FR (1) FR3108959B1 (en)
WO (1) WO2021198512A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3602336A (en) * 1969-06-05 1971-08-31 Ernest W Downs Lubricant metering assembly and valves and piston therefor
US5052900A (en) * 1990-04-11 1991-10-01 Austin Jon W Pressure relief valve for positive pressure pumps
DE29606169U1 (en) * 1996-04-03 1996-06-20 Bümach Engineering International B.V., Emmen Valve for central lubrication systems
DE20314926U1 (en) * 2003-09-25 2005-02-03 Voss Automotive Gmbh Residual pressure valve, especially for air springs, comprises tubular housing containing ball mounted in section of flexible rubber hose which acts as valve seat
DE102014214565A1 (en) 2013-08-16 2015-02-19 Schaeffler Technologies Gmbh & Co. Kg Valve arrangement for a clutch system

Also Published As

Publication number Publication date
FR3108959A1 (en) 2021-10-08
WO2021198512A1 (en) 2021-10-07

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