FR2825421B1 - DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM - Google Patents

DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM

Info

Publication number
FR2825421B1
FR2825421B1 FR0107485A FR0107485A FR2825421B1 FR 2825421 B1 FR2825421 B1 FR 2825421B1 FR 0107485 A FR0107485 A FR 0107485A FR 0107485 A FR0107485 A FR 0107485A FR 2825421 B1 FR2825421 B1 FR 2825421B1
Authority
FR
France
Prior art keywords
hydraulic system
return circuit
back pressures
suppressing back
suppressing
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
FR0107485A
Other languages
French (fr)
Other versions
FR2825421A1 (en
Inventor
Christian Houze
Jean Louis Langlois
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.)
PTC SA
Original Assignee
PTC SA
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 PTC SA filed Critical PTC SA
Priority to FR0107485A priority Critical patent/FR2825421B1/en
Publication of FR2825421A1 publication Critical patent/FR2825421A1/en
Application granted granted Critical
Publication of FR2825421B1 publication Critical patent/FR2825421B1/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/214—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41554—Flow control characterised by the connections of the flow control means in the circuit being connected to a return line and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
FR0107485A 2001-06-05 2001-06-05 DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM Expired - Fee Related FR2825421B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0107485A FR2825421B1 (en) 2001-06-05 2001-06-05 DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0107485A FR2825421B1 (en) 2001-06-05 2001-06-05 DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM

Publications (2)

Publication Number Publication Date
FR2825421A1 FR2825421A1 (en) 2002-12-06
FR2825421B1 true FR2825421B1 (en) 2004-08-27

Family

ID=8864080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0107485A Expired - Fee Related FR2825421B1 (en) 2001-06-05 2001-06-05 DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM

Country Status (1)

Country Link
FR (1) FR2825421B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000002881A1 (en) * 2020-02-13 2021-08-13 Seppi M S P A System for operating at least two users by means of a hydraulic motor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE455864B (en) * 1986-10-31 1988-08-15 Stromsholmens Mek Verkstad DEVICE FOR A HYDRAULIC DRIVE TRUCK FOR ENERGY RECOVERY
DE8708917U1 (en) * 1987-06-19 1988-10-13 Ferstl, Klaus, Dipl.-Ing., 8130 Starnberg, De
DE3918119A1 (en) * 1988-02-19 1990-12-13 Rexroth Mannesmann Gmbh Operating arrangement for linear motor(s) esp. for dispenser - contains controller acting as pump or drive motor depending on line pressure w.r.t. working pressure
CA2083136A1 (en) * 1991-06-20 1992-12-21 Tadeusz Budzich Exhaust pressurizing circuit including flow amplification
DE4314813C1 (en) * 1993-05-05 1994-09-01 Duesterloh Gmbh Hydraulic circuit
DE19730287A1 (en) * 1997-07-15 1999-01-21 Westsaechsische Hochschule Zwi Closed circuit hydraulic pump loss-free forced partial fluid flow circulation circuit
DE19818537A1 (en) * 1998-04-24 1999-10-28 F Haberkorn Productionsgesells Rapid traverse for hydraulic oil motors and cylinders

Also Published As

Publication number Publication date
FR2825421A1 (en) 2002-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070228