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DE502004003704D1 - Hydraulisches steuersystem für baumaschinen, insbesondere für bagger - Google Patents

Hydraulisches steuersystem für baumaschinen, insbesondere für bagger

Info

Publication number
DE502004003704D1
DE502004003704D1 DE502004003704T DE502004003704T DE502004003704D1 DE 502004003704 D1 DE502004003704 D1 DE 502004003704D1 DE 502004003704 T DE502004003704 T DE 502004003704T DE 502004003704 T DE502004003704 T DE 502004003704T DE 502004003704 D1 DE502004003704 D1 DE 502004003704D1
Authority
DE
Germany
Prior art keywords
control system
hydraulic control
excavators
hydraulic
construction machines
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
DE502004003704T
Other languages
English (en)
Inventor
Volker Boesebeck
Erik Lautner
Juergen Weber
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.)
New Holland Kobelco Construction Machinery SpA
Original Assignee
CNH Baumaschinen 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 CNH Baumaschinen GmbH filed Critical CNH Baumaschinen GmbH
Publication of DE502004003704D1 publication Critical patent/DE502004003704D1/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
    • 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
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more 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
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0871—Channels for fluid
    • 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
    • F15B2211/20576—Systems with pumps with multiple 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
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating 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
    • F15B2211/31—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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/315—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
    • F15B2211/31582—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 multiple pressure sources 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid 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
    • F15B2211/505—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
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/50—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
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE502004003704T 2003-08-08 2004-07-13 Hydraulisches steuersystem für baumaschinen, insbesondere für bagger Expired - Lifetime DE502004003704D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10336334A DE10336334B3 (de) 2003-08-08 2003-08-08 Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger
PCT/DE2004/001513 WO2005015030A1 (de) 2003-08-08 2004-07-13 Hydraulisches steuersystem für baumaschinen, insbesondere für bagger

Publications (1)

Publication Number Publication Date
DE502004003704D1 true DE502004003704D1 (de) 2007-06-14

Family

ID=34129509

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10336334A Expired - Fee Related DE10336334B3 (de) 2003-08-08 2003-08-08 Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger
DE502004003704T Expired - Lifetime DE502004003704D1 (de) 2003-08-08 2004-07-13 Hydraulisches steuersystem für baumaschinen, insbesondere für bagger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10336334A Expired - Fee Related DE10336334B3 (de) 2003-08-08 2003-08-08 Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger

Country Status (7)

Country Link
US (1) US7475502B2 (de)
EP (1) EP1651870B1 (de)
JP (1) JP4691492B2 (de)
AT (1) ATE361430T1 (de)
DE (2) DE10336334B3 (de)
ES (1) ES2282884T3 (de)
WO (1) WO2005015030A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090258001A1 (en) * 2006-06-06 2009-10-15 Paul Ponath Administration of anti-CD3 antibodies in the treatment of autoimmune diseases
CN102062127B (zh) * 2011-02-02 2012-11-28 卢宇 一种比例控制多路阀
US8966890B2 (en) 2011-07-29 2015-03-03 Caterpillar Inc. Method and arrangement for active make-up in an overrunning actuator
JP6200634B2 (ja) * 2012-06-28 2017-09-20 ナブテスコ株式会社 油圧制御弁
CN102878137B (zh) * 2012-09-28 2015-04-15 江苏南华地下空间研究所有限公司 综合实验平台液压系统的阀块总成
CN102966630A (zh) * 2012-11-16 2013-03-13 无锡汇虹机械制造有限公司 一种恒流量回油通道检测方法
DE102014005410A1 (de) 2014-03-01 2015-09-03 Hydac Filtertechnik Gmbh Ventilvorrichtung
JP6522320B2 (ja) * 2014-11-11 2019-05-29 ナブテスコ株式会社 方向切換弁
JP6552829B2 (ja) * 2015-01-28 2019-07-31 ナブテスコ株式会社 方向切換弁
JP6773421B2 (ja) * 2016-02-08 2020-10-21 ナブテスコ株式会社 方向切換弁及び油圧システム
JP6717541B2 (ja) 2016-07-28 2020-07-01 キャタピラー エス エー アール エル 弁装置およびこれを備えた流体圧システム
CN106382266B (zh) * 2016-12-05 2018-06-08 中国第一汽车股份有限公司 一种多功能专用车液压系统
DE102017008220B4 (de) * 2017-09-15 2021-05-27 Festo Se & Co. Kg Vorrichtung zum Deaktivieren eines Mehrwegeventils
KR102673204B1 (ko) * 2019-05-30 2024-06-05 볼보 컨스트럭션 이큅먼트 에이비 스풀 밸브 및 이를 포함하는 유압 기계
JP7755121B2 (ja) * 2020-05-28 2025-10-16 日本製鉄株式会社 触媒成形物の製造方法、触媒成形物からなる反応器、及び反応生成物の製造方法
JP7561010B2 (ja) * 2020-11-17 2024-10-03 川崎重工業株式会社 マルチ制御弁

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484743B1 (de) 1963-04-24 1970-09-10 Orenstein & Koppel Ag Schaltung fuer hydrostatisch betriebene Hydrogeraete
US3348624A (en) * 1965-04-28 1967-10-24 Aquatic Controls Corp Hydraulic propulsion system
DE1952034A1 (de) * 1969-10-15 1971-04-22 Linde Ag Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu
US3631762A (en) * 1970-09-14 1972-01-04 Caterpillar Tractor Co Mechanism for controlling a vehicle from a remote location
DE2138986C3 (de) * 1971-08-04 1978-09-07 G.L. Rexroth Gmbh, 8770 Lohr Steuerventileinrichtung für mehrere hydraulische Antriebe
US3733964A (en) * 1971-08-25 1973-05-22 Westinghouse Air Brake Co Fluid control system
US3922855A (en) 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
US4033236A (en) * 1971-12-27 1977-07-05 Caterpillar Tractor Co. All hydraulic motor grader circuitry
US3945138A (en) * 1972-06-16 1976-03-23 Orenstein & Koppel Aktiengesellschaft Hydraulically controlled and driven bucket wheel dredge
DE2364282C3 (de) * 1973-12-22 1983-01-13 O & K Orenstein & Koppel Ag, 1000 Berlin Schaltungsanordnung für Hydraulikmotoren
US4129258A (en) * 1977-01-31 1978-12-12 Du-Al Manufacturing Company Automatic hydraulic series-parallel shift device for implement
JPS5842803A (ja) * 1981-09-08 1983-03-12 Handoothe- Kogyo Kk コントロ−ルバルブとこれを使用した作業機の回路
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
FR2593265B1 (fr) * 1986-01-17 1988-04-22 Rexroth Sigma Distributeur de fluide hydraulique sous pression
US5083428A (en) * 1988-06-17 1992-01-28 Kabushiki Kaisha Kobe Seiko Sho Fluid control system for power shovel
JP3486238B2 (ja) * 1994-09-21 2004-01-13 Ｓｍｃ株式会社 切換弁
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
JP3730715B2 (ja) * 1996-07-11 2006-01-05 東芝機械株式会社 油圧制御弁装置
JP3425844B2 (ja) * 1996-09-30 2003-07-14 コベルコ建機株式会社 油圧ショベル
US5715865A (en) * 1996-11-13 1998-02-10 Husco International, Inc. Pressure compensating hydraulic control valve system
JP3971879B2 (ja) * 1999-11-29 2007-09-05 カヤバ工業株式会社 多連弁
JP2003148611A (ja) * 2001-11-08 2003-05-21 Hitachi Constr Mach Co Ltd 油圧モータの駆動回路
US7021332B2 (en) * 2004-03-26 2006-04-04 Husco International, Inc. Hydraulic valve section with reduced bore distortion

Also Published As

Publication number Publication date
JP4691492B2 (ja) 2011-06-01
WO2005015030A1 (de) 2005-02-17
US20070056437A1 (en) 2007-03-15
DE10336334B3 (de) 2005-08-04
ES2282884T3 (es) 2007-10-16
ATE361430T1 (de) 2007-05-15
US7475502B2 (en) 2009-01-13
EP1651870B1 (de) 2007-05-02
JP2007501914A (ja) 2007-02-01
EP1651870A1 (de) 2006-05-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEW HOLLAND KOBELCO CONSTRUCTION MACHINERY SPA, IT

8328 Change in the person/name/address of the agent

Representative=s name: PATENT- UND RECHTSANWAELTE MEINKE, DABRINGHAUS UND