DE50009158D1 - Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür - Google Patents

Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür

Info

Publication number
DE50009158D1
DE50009158D1 DE50009158T DE50009158T DE50009158D1 DE 50009158 D1 DE50009158 D1 DE 50009158D1 DE 50009158 T DE50009158 T DE 50009158T DE 50009158 T DE50009158 T DE 50009158T DE 50009158 D1 DE50009158 D1 DE 50009158D1
Authority
DE
Germany
Prior art keywords
pressure differential
control arrangement
differential valve
hydraulic consumers
valve therefor
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 - Lifetime
Application number
DE50009158T
Other languages
English (en)
Inventor
Martin Oberhaeusser
Thomas Weickert
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.)
Bosch Rexroth AG
Original Assignee
Bosch Rexroth 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 Bosch Rexroth AG filed Critical Bosch Rexroth AG
Priority to DE50009158T priority Critical patent/DE50009158D1/de
Application granted granted Critical
Publication of DE50009158D1 publication Critical patent/DE50009158D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/163—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
    • 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
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load 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
    • F15B2211/30—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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable 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
    • F15B2211/405—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
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/421—Flow control characterised by the type of actuation mechanically
    • F15B2211/423—Flow control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/67—Methods for controlling pilot 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
    • F15B2211/71—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
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
DE50009158T 1999-02-05 2000-01-15 Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür Expired - Lifetime DE50009158D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50009158T DE50009158D1 (de) 1999-02-05 2000-01-15 Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19904616A DE19904616A1 (de) 1999-02-05 1999-02-05 Steueranordnung für wenigstens zwei hydraulische Verbraucher und Druckdifferenzventil dafür
PCT/EP2000/000294 WO2000046513A1 (de) 1999-02-05 2000-01-15 Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür
DE50009158T DE50009158D1 (de) 1999-02-05 2000-01-15 Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür

Publications (1)

Publication Number Publication Date
DE50009158D1 true DE50009158D1 (de) 2005-02-10

Family

ID=7896487

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19904616A Withdrawn DE19904616A1 (de) 1999-02-05 1999-02-05 Steueranordnung für wenigstens zwei hydraulische Verbraucher und Druckdifferenzventil dafür
DE50009158T Expired - Lifetime DE50009158D1 (de) 1999-02-05 2000-01-15 Steueranordnung für wenigstens zwei hydraulische verbraucher und druckdifferenzventil dafür

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19904616A Withdrawn DE19904616A1 (de) 1999-02-05 1999-02-05 Steueranordnung für wenigstens zwei hydraulische Verbraucher und Druckdifferenzventil dafür

Country Status (5)

Country Link
US (1) US6644025B1 (de)
EP (1) EP1149246B1 (de)
JP (1) JP4739529B2 (de)
DE (2) DE19904616A1 (de)
WO (1) WO2000046513A1 (de)

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DE10332120A1 (de) * 2003-07-15 2005-02-03 Bosch Rexroth Ag Steueranordnung und Verfahren zur Ansteuerung von wenigstens zwei hydraulischen Verbrauchern
DE10355329A1 (de) 2003-11-27 2005-06-23 Bosch Rexroth Ag Hydraulische Steueranordnung
US20080050787A1 (en) * 2003-12-02 2008-02-28 Hazuki Nagai Method for Manufacturing Optically Active Tetrahydrothiophene Derivative and Method for Crystallization of Optically Active Tetrahydrothiophene-3-Ol
DE10357471A1 (de) * 2003-12-09 2005-07-07 Bosch Rexroth Ag Hydraulische Steueranordnung
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DE202005001417U1 (de) 2005-01-28 2006-06-08 Hawe Hydraulik Gmbh & Co. Kg Hydraulische Steuervorrichtung
DE102005033222B4 (de) * 2005-07-15 2012-05-16 Bosch Rexroth Aktiengesellschaft LUDV-Ventilanordnung
GB0522719D0 (en) * 2005-11-08 2005-12-14 Agco Gmbh Hydraulic system for utility vehicles, in particular agricultural tractors
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DE102007028864A1 (de) * 2007-03-27 2008-10-02 Robert Bosch Gmbh Hydraulische Steueranordnung
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DE102007059491B3 (de) * 2007-12-11 2009-07-09 Sauer-Danfoss Gmbh & Co Ohg Verfahren und Schaltungsanordnung zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern
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DE102010027964A1 (de) * 2010-04-20 2011-10-20 Deere & Company Hydraulische Anordnung
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CN102003315B (zh) * 2010-12-16 2012-11-07 吉林大学 一种工程车辆多工作液压源的液压共轨装置
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EP2466018B1 (de) 2010-12-17 2019-11-13 Caterpillar Inc. Antriebsschaltung mit geschlossener Schleife und externer Bremshilfe
US20130287601A1 (en) * 2011-01-06 2013-10-31 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for working machine including track device of crawler type
DE102011106307A1 (de) * 2011-07-01 2013-01-03 Robert Bosch Gmbh Steueranordnung und Verfahren zum Ansteuern von mehreren hydraulischen Verbrauchern
CN103062156A (zh) * 2013-01-30 2013-04-24 江苏柳工机械有限公司 一种负载敏感系统流量分配的方法和系统
DE102014004337B4 (de) 2013-03-28 2023-04-27 Aebi Schmidt Deutschland Gmbh Kommunalfahrzeug sowie Verfahren zur Einstellung von Pumpenausgangsdrücken einer Verstellpumpe
JP6021227B2 (ja) * 2013-11-28 2016-11-09 日立建機株式会社 建設機械の油圧駆動装置
CN104653538B (zh) * 2015-02-06 2018-03-13 东西方(宁海)航空科技发展有限公司 一种无应力阀体结构
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Also Published As

Publication number Publication date
JP4739529B2 (ja) 2011-08-03
EP1149246B1 (de) 2005-01-05
JP2002536599A (ja) 2002-10-29
WO2000046513A1 (de) 2000-08-10
DE19904616A1 (de) 2000-08-10
EP1149246A1 (de) 2001-10-31
US6644025B1 (en) 2003-11-11

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