FR2338404A1 - Dispositif de commande pour au moins deux consommateurs hydrauliques alimentes par une source de fluide - Google Patents

Dispositif de commande pour au moins deux consommateurs hydrauliques alimentes par une source de fluide

Info

Publication number
FR2338404A1
FR2338404A1 FR7700977A FR7700977A FR2338404A1 FR 2338404 A1 FR2338404 A1 FR 2338404A1 FR 7700977 A FR7700977 A FR 7700977A FR 7700977 A FR7700977 A FR 7700977A FR 2338404 A1 FR2338404 A1 FR 2338404A1
Authority
FR
France
Prior art keywords
fluid
source
control device
hydraulic consumers
consumers supplied
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
FR7700977A
Other languages
English (en)
Other versions
FR2338404B1 (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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2338404A1 publication Critical patent/FR2338404A1/fr
Application granted granted Critical
Publication of FR2338404B1 publication Critical patent/FR2338404B1/fr
Granted 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • 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
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • 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
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/57—Control of a differential pressure
    • 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
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • 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
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve
FR7700977A 1976-01-16 1977-01-14 Dispositif de commande pour au moins deux consommateurs hydrauliques alimentes par une source de fluide Granted FR2338404A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2601484A DE2601484C2 (de) 1976-01-16 1976-01-16 Steuereinrichtung für mindestens zwei von einer Druckmittelquelle gespeiste hydraulische Verbraucher

Publications (2)

Publication Number Publication Date
FR2338404A1 true FR2338404A1 (fr) 1977-08-12
FR2338404B1 FR2338404B1 (fr) 1982-10-15

Family

ID=5967582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700977A Granted FR2338404A1 (fr) 1976-01-16 1977-01-14 Dispositif de commande pour au moins deux consommateurs hydrauliques alimentes par une source de fluide

Country Status (7)

Country Link
US (1) US4080994A (fr)
JP (1) JPS5289779A (fr)
DE (1) DE2601484C2 (fr)
FR (1) FR2338404A1 (fr)
GB (1) GB1570589A (fr)
IT (1) IT1076534B (fr)
SE (1) SE433764B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514083A1 (fr) * 1981-10-06 1983-04-08 Bosch Gmbh Robert Appareil de commande hydraulique possedant au moins deux distributeurs pour commander des utilisateurs hydrauliques, en particulier pour un chariot gerbeur
FR2561319A1 (fr) * 1984-03-17 1985-09-20 Bosch Gmbh Robert Dispositif de commande
EP0285590A2 (fr) * 1987-04-01 1988-10-05 Atlas Copco Aktiebolag Système de commande hydraulique
EP0297401A2 (fr) * 1987-07-03 1989-01-04 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Dispositif de commande hydraulique

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588802A (ja) * 1981-07-10 1983-01-19 Hitachi Constr Mach Co Ltd モノブロツク型方向切換弁集合装置
GB8408635D0 (en) * 1984-04-04 1984-05-16 Lucas Ind Plc Control valve
DE69112544T2 (de) * 1990-03-05 1996-02-08 Komatsu Zenoa Kk Hydraulisches betätigungsventil.
US5586577A (en) * 1994-09-28 1996-12-24 Samsung Heavy Industries Co., Ltd. Mono-block control valve with side bypass passage
AU720849B2 (en) * 1996-03-28 2000-06-15 Clark Equipment Company Multifunction valve stack
US6018895A (en) * 1996-03-28 2000-02-01 Clark Equipment Company Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
EP2325499A1 (fr) * 2009-11-19 2011-05-25 Bosch Rexroth Oil Control S.p.A. Vanne équilibrée de pression pour deux cylindres fonctionnant en parallèle
CN104030199B (zh) * 2014-05-26 2017-02-15 安徽合力股份有限公司 具有旁油路节流调速回路的叉车液压系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1115379A (en) * 1965-06-04 1968-05-29 Westinghouse Bremsen Und App B Improvements in or relating to fluid control valves
US3744518A (en) * 1971-12-13 1973-07-10 Parker Hannifin Corp Directional control valve
FR2189651A1 (fr) * 1972-06-23 1974-01-25 Bosch Gmbh Robert
FR2199071A1 (fr) * 1972-09-11 1974-04-05 Bosch Gmbh Robert
FR2209052A1 (fr) * 1972-12-04 1974-06-28 Bosch Gmbh Robert
FR2221637A1 (fr) * 1973-03-15 1974-10-11 Kloeckner Humboldt Deutz Ag
FR2229001A1 (fr) * 1973-05-07 1974-12-06 Tonco Inc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1475958B2 (de) * 1965-11-20 1972-10-12 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung fuer mindestens zwei von einer druckmittelquelle gespeiste hydraulische verbraucher
DE2244445C3 (de) * 1972-09-11 1981-06-25 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Einrichtung zum Steuern der Druckmittelwege in einer Anlage mit wenigstens einem doppelwirkenden Servomotor
DE2301607A1 (de) * 1973-01-13 1974-07-18 Bosch Gmbh Robert Hydraulische steuereinrichtung
DE2420242C2 (de) * 1974-04-26 1982-12-23 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Steuerschiebervorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1115379A (en) * 1965-06-04 1968-05-29 Westinghouse Bremsen Und App B Improvements in or relating to fluid control valves
US3744518A (en) * 1971-12-13 1973-07-10 Parker Hannifin Corp Directional control valve
FR2189651A1 (fr) * 1972-06-23 1974-01-25 Bosch Gmbh Robert
FR2199071A1 (fr) * 1972-09-11 1974-04-05 Bosch Gmbh Robert
FR2209052A1 (fr) * 1972-12-04 1974-06-28 Bosch Gmbh Robert
FR2221637A1 (fr) * 1973-03-15 1974-10-11 Kloeckner Humboldt Deutz Ag
FR2229001A1 (fr) * 1973-05-07 1974-12-06 Tonco Inc

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514083A1 (fr) * 1981-10-06 1983-04-08 Bosch Gmbh Robert Appareil de commande hydraulique possedant au moins deux distributeurs pour commander des utilisateurs hydrauliques, en particulier pour un chariot gerbeur
FR2561319A1 (fr) * 1984-03-17 1985-09-20 Bosch Gmbh Robert Dispositif de commande
EP0285590A2 (fr) * 1987-04-01 1988-10-05 Atlas Copco Aktiebolag Système de commande hydraulique
EP0285590A3 (en) * 1987-04-01 1989-07-12 Atlas Copco Aktiebolag Hydraulic drive system
EP0297401A2 (fr) * 1987-07-03 1989-01-04 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Dispositif de commande hydraulique
EP0297401A3 (fr) * 1987-07-03 1991-03-13 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Dispositif de commande hydraulique

Also Published As

Publication number Publication date
FR2338404B1 (fr) 1982-10-15
JPS5289779A (en) 1977-07-27
SE7700317L (sv) 1977-07-17
GB1570589A (en) 1980-07-02
DE2601484A1 (de) 1977-07-28
IT1076534B (it) 1985-04-27
SE433764B (sv) 1984-06-12
DE2601484C2 (de) 1984-07-26
US4080994A (en) 1978-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse