ATE166411T1 - Steuerung zur aufteilung des förderstromes bei hydrauliksystemen auf mehrere verbraucher - Google Patents

Steuerung zur aufteilung des förderstromes bei hydrauliksystemen auf mehrere verbraucher

Info

Publication number
ATE166411T1
ATE166411T1 AT94117578T AT94117578T ATE166411T1 AT E166411 T1 ATE166411 T1 AT E166411T1 AT 94117578 T AT94117578 T AT 94117578T AT 94117578 T AT94117578 T AT 94117578T AT E166411 T1 ATE166411 T1 AT E166411T1
Authority
AT
Austria
Prior art keywords
hydraulic systems
dividing
flow
control
compensator
Prior art date
Application number
AT94117578T
Other languages
English (en)
Inventor
Gustav Leidinger
Original Assignee
Orenstein & Koppel Ag
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 Orenstein & Koppel Ag filed Critical Orenstein & Koppel Ag
Application granted granted Critical
Publication of ATE166411T1 publication Critical patent/ATE166411T1/de

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
    • F15B11/161—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/162—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable 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
    • F15B2211/25—Pressure control functions
    • 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
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40569—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged downstream of the flow control means
    • 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
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in 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
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling 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
    • F15B2211/50—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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • F15B2211/75—Control of speed of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
AT94117578T 1993-12-03 1994-11-08 Steuerung zur aufteilung des förderstromes bei hydrauliksystemen auf mehrere verbraucher ATE166411T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4341244A DE4341244C2 (de) 1993-12-03 1993-12-03 Steuerung zur Aufteilung des durch mindestens eine Pumpe zur Verfügung gestellten Förderstromes bei Hydrauliksystemen auf mehrere Verbraucher

Publications (1)

Publication Number Publication Date
ATE166411T1 true ATE166411T1 (de) 1998-06-15

Family

ID=6504109

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94117578T ATE166411T1 (de) 1993-12-03 1994-11-08 Steuerung zur aufteilung des förderstromes bei hydrauliksystemen auf mehrere verbraucher

Country Status (4)

Country Link
US (1) US5609089A (de)
EP (1) EP0656447B1 (de)
AT (1) ATE166411T1 (de)
DE (2) DE4341244C2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784812A (en) * 1994-07-13 1998-07-28 O&K Orenstein & Koppel Ag Method of controlling the positioning of an outfit tilting cylinder mounted on the descending lift frame of movable construction machines
KR970007735B1 (ko) * 1995-06-13 1997-05-16 대우중공업 주식회사 휠로다의 조향유압시스템
DE19939796C1 (de) 1999-08-21 2000-11-23 Orenstein & Koppel Ag Verfahren und Arbeitsmaschine zur Herstellung von Bodenflächen
JP3923980B2 (ja) * 2002-09-26 2007-06-06 日立建機株式会社 建設機械
DE102007028864A1 (de) * 2007-03-27 2008-10-02 Robert Bosch Gmbh Hydraulische Steueranordnung
US20080288989A1 (en) * 2007-05-14 2008-11-20 Zheng Yu Brian System, Methods and Apparatus for Video Communications
US7854115B2 (en) * 2008-04-25 2010-12-21 Husco International, Inc. Post-pressure compensated hydraulic control valve with load sense pressure limiting
JP6292979B2 (ja) * 2014-05-26 2018-03-14 Ｋｙｂ株式会社 ロードセンシング制御回路
DE102019216771A1 (de) 2019-10-30 2021-05-06 Robert Bosch Gmbh Hydraulische Steueranordnung zur Druckmittelversorgung wenigstens zweier hydraulischer Verbraucher

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603630A1 (de) * 1986-02-06 1987-08-13 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
JPH0826883B2 (ja) * 1989-05-24 1996-03-21 株式会社小松製作所 油圧回路
US5209063A (en) * 1989-05-24 1993-05-11 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit utilizing a compensator pressure selecting value
JPH0826882B2 (ja) * 1989-05-24 1996-03-21 株式会社小松製作所 油圧回路
US5279122A (en) * 1989-08-16 1994-01-18 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement
WO1991013217A1 (fr) * 1990-02-28 1991-09-05 Hitachi Construction Machinery Co., Ltd. Systeme hydraulique de commande d'engin de chantier
DE69120818T2 (de) * 1990-05-15 1996-12-05 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Hydraulisches system
EP0491050B1 (de) * 1990-07-05 1995-04-26 Hitachi Construction Machinery Co., Ltd. Hydraulische antriebssystem und ventilanordnung
US5067389A (en) * 1990-08-30 1991-11-26 Caterpillar Inc. Load check and pressure compensating valve
DE4036720C2 (de) * 1990-11-17 2001-09-13 Linde Ag Steuerschaltung für die lastunabhängige Aufteilung eines Druckmittelstromes
JPH04210101A (ja) * 1990-11-30 1992-07-31 Komatsu Ltd 油圧回路
DE4041288C1 (en) * 1990-12-21 1992-06-11 Mannesmann Rexroth Gmbh, 8770 Lohr, De Hydraulic control system for several users - uses movable piston to match pump output to demand
JP3101830B2 (ja) * 1991-06-12 2000-10-23 株式会社小松製作所 旋回式作業装置の油圧回路
US5207059A (en) * 1992-01-15 1993-05-04 Caterpillar Inc. Hydraulic control system having poppet and spool type valves
JP2579202Y2 (ja) * 1992-04-10 1998-08-20 株式会社小松製作所 圧力補償弁を備えた操作弁
WO1993021395A1 (fr) * 1992-04-20 1993-10-28 Hitachi Construction Machinery Co., Ltd. Dispositif a circuit hydraulique destine aux machines de chantier
JPH06123123A (ja) * 1992-05-22 1994-05-06 Hitachi Constr Mach Co Ltd 油圧駆動装置
FR2694606B1 (fr) * 1992-08-04 1994-11-04 Bennes Marrel Ensemble de commande d'une pluralité de récepteurs hydrauliques.
JP3179596B2 (ja) * 1992-11-17 2001-06-25 日立建機株式会社 流量制御装置

Also Published As

Publication number Publication date
DE4341244A1 (de) 1995-06-08
US5609089A (en) 1997-03-11
EP0656447A1 (de) 1995-06-07
DE4341244C2 (de) 1997-08-14
EP0656447B1 (de) 1998-05-20
DE59406014D1 (de) 1998-06-25

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Legal Events

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REN Ceased due to non-payment of the annual fee