ATE361430T1 - Hydraulisches steuersystem für baumaschinen, insbesondere für bagger - Google Patents
Hydraulisches steuersystem für baumaschinen, insbesondere für baggerInfo
- Publication number
- ATE361430T1 ATE361430T1 AT04762373T AT04762373T ATE361430T1 AT E361430 T1 ATE361430 T1 AT E361430T1 AT 04762373 T AT04762373 T AT 04762373T AT 04762373 T AT04762373 T AT 04762373T AT E361430 T1 ATE361430 T1 AT E361430T1
- Authority
- AT
- Austria
- Prior art keywords
- control system
- hydraulic control
- hydraulic
- construction machinery
- pump channels
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10336334A DE10336334B3 (de) | 2003-08-08 | 2003-08-08 | Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE361430T1 true ATE361430T1 (de) | 2007-05-15 |
Family
ID=34129509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04762373T ATE361430T1 (de) | 2003-08-08 | 2004-07-13 | Hydraulisches steuersystem für baumaschinen, 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 (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ573132A (en) * | 2006-06-06 | 2012-05-25 | Glaxo Group Ltd | 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 |
Family Cites Families (23)
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 |
-
2003
- 2003-08-08 DE DE10336334A patent/DE10336334B3/de not_active Expired - Fee Related
-
2004
- 2004-07-13 WO PCT/DE2004/001513 patent/WO2005015030A1/de active IP Right Grant
- 2004-07-13 JP JP2006522211A patent/JP4691492B2/ja not_active Expired - Fee Related
- 2004-07-13 DE DE502004003704T patent/DE502004003704D1/de active Active
- 2004-07-13 EP EP04762373A patent/EP1651870B1/de not_active Not-in-force
- 2004-07-13 ES ES04762373T patent/ES2282884T3/es active Active
- 2004-07-13 US US10/567,805 patent/US7475502B2/en active Active
- 2004-07-13 AT AT04762373T patent/ATE361430T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2005015030A1 (de) | 2005-02-17 |
ES2282884T3 (es) | 2007-10-16 |
JP4691492B2 (ja) | 2011-06-01 |
JP2007501914A (ja) | 2007-02-01 |
DE502004003704D1 (de) | 2007-06-14 |
DE10336334B3 (de) | 2005-08-04 |
US7475502B2 (en) | 2009-01-13 |
US20070056437A1 (en) | 2007-03-15 |
EP1651870A1 (de) | 2006-05-03 |
EP1651870B1 (de) | 2007-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |