DE59904746D1 - Hydraulische schaltung - Google Patents
Hydraulische schaltungInfo
- Publication number
- DE59904746D1 DE59904746D1 DE59904746T DE59904746T DE59904746D1 DE 59904746 D1 DE59904746 D1 DE 59904746D1 DE 59904746 T DE59904746 T DE 59904746T DE 59904746 T DE59904746 T DE 59904746T DE 59904746 D1 DE59904746 D1 DE 59904746D1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic circuit
- hydraulic
- circuit
- 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
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
- F15B11/003—Systems with load-holding 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
-
- 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
- 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
- F15B2211/305—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
- F15B2211/3054—In combination with a pressure compensating valve the pressure compensating valve is arranged between directional control valve and 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
- F15B2211/31—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
- F15B2211/32—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
- F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back 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
- F15B2211/78—Control of multiple 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19828963A DE19828963A1 (de) | 1998-06-29 | 1998-06-29 | Hydraulische Schaltung |
PCT/DE1999/001591 WO2000000747A1 (de) | 1998-06-29 | 1999-05-31 | Hydraulische schaltung |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59904746D1 true DE59904746D1 (de) | 2003-04-30 |
Family
ID=7872379
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19828963A Withdrawn DE19828963A1 (de) | 1998-06-29 | 1998-06-29 | Hydraulische Schaltung |
DE59904746T Expired - Lifetime DE59904746D1 (de) | 1998-06-29 | 1999-05-31 | Hydraulische schaltung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19828963A Withdrawn DE19828963A1 (de) | 1998-06-29 | 1998-06-29 | Hydraulische Schaltung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6367365B1 (de) |
EP (1) | EP1092095B2 (de) |
JP (1) | JP4520041B2 (de) |
KR (1) | KR100636863B1 (de) |
DE (2) | DE19828963A1 (de) |
WO (1) | WO2000000747A1 (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10041061A1 (de) * | 2000-08-22 | 2002-03-07 | Still Gmbh | Hydraulische Schaltanordnung |
DE10058032A1 (de) * | 2000-11-23 | 2002-05-29 | Mannesmann Rexroth Ag | Hydraulische Steueranordnung |
DE10332120A1 (de) * | 2003-07-15 | 2005-02-03 | Bosch Rexroth Ag | Steueranordnung und Verfahren zur Ansteuerung von wenigstens zwei hydraulischen Verbrauchern |
DE10342037A1 (de) * | 2003-09-11 | 2005-04-07 | Bosch Rexroth Ag | Steueranordnung und Verfahren zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern |
ATE378517T1 (de) * | 2004-01-07 | 2007-11-15 | Bosch Rexroth Ag | Stromventil und stromteiler mit mehreren stromventilen |
US6931847B1 (en) * | 2004-03-04 | 2005-08-23 | Sauer-Danfoss, Inc. | Flow sharing priority circuit for open circuit systems with several actuators per pump |
US7240771B2 (en) * | 2004-05-25 | 2007-07-10 | The Raymond Corporation | Mast staging hydraulic circuit |
US7204084B2 (en) * | 2004-10-29 | 2007-04-17 | Caterpillar Inc | Hydraulic system having a pressure compensator |
US7243493B2 (en) * | 2005-04-29 | 2007-07-17 | Caterpillar Inc | Valve gradually communicating a pressure signal |
US7204185B2 (en) * | 2005-04-29 | 2007-04-17 | Caterpillar Inc | Hydraulic system having a pressure compensator |
US7302797B2 (en) * | 2005-05-31 | 2007-12-04 | Caterpillar Inc. | Hydraulic system having a post-pressure compensator |
US7194856B2 (en) * | 2005-05-31 | 2007-03-27 | Caterpillar Inc | Hydraulic system having IMV ride control configuration |
US7331175B2 (en) * | 2005-08-31 | 2008-02-19 | Caterpillar Inc. | Hydraulic system having area controlled bypass |
US7210396B2 (en) * | 2005-08-31 | 2007-05-01 | Caterpillar Inc | Valve having a hysteretic filtered actuation command |
US20100043418A1 (en) * | 2005-09-30 | 2010-02-25 | Caterpillar Inc. | Hydraulic system and method for control |
US7614336B2 (en) * | 2005-09-30 | 2009-11-10 | Caterpillar Inc. | Hydraulic system having augmented pressure compensation |
US7320216B2 (en) * | 2005-10-31 | 2008-01-22 | Caterpillar Inc. | Hydraulic system having pressure compensated bypass |
DE102006012030A1 (de) * | 2006-03-14 | 2007-09-20 | Robert Bosch Gmbh | Hydraulische Ventilanordnung |
DE102006018706A1 (de) * | 2006-04-21 | 2007-10-25 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
DE102007028864A1 (de) * | 2007-03-27 | 2008-10-02 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
US8479504B2 (en) * | 2007-05-31 | 2013-07-09 | Caterpillar Inc. | Hydraulic system having an external pressure compensator |
US7621211B2 (en) * | 2007-05-31 | 2009-11-24 | Caterpillar Inc. | Force feedback poppet valve having an integrated pressure compensator |
US20080295681A1 (en) * | 2007-05-31 | 2008-12-04 | Caterpillar Inc. | Hydraulic system having an external pressure compensator |
DE102007029355A1 (de) * | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
DE102007029358A1 (de) | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers |
DE102007062649A1 (de) * | 2007-12-24 | 2009-06-25 | Hydac Electronic Gmbh | Ventilvorrichtung |
DE102008018936A1 (de) * | 2008-04-15 | 2009-10-22 | Robert Bosch Gmbh | Steueranordnung zur Ansteuerung eines Wegeventils |
GB0912540D0 (en) * | 2009-07-20 | 2009-08-26 | Bamford Excavators Ltd | Hydraulic system |
US8631650B2 (en) | 2009-09-25 | 2014-01-21 | Caterpillar Inc. | Hydraulic system and method for control |
US8646338B2 (en) * | 2010-02-02 | 2014-02-11 | Bucher Hydraulics S.P.A. | Hydraulic section for load sensing applications and multiple hydraulic distributor |
US7918285B1 (en) * | 2010-04-19 | 2011-04-05 | Deere & Company | Implement with active wing down force and wing lift sequencing |
DE102010027964A1 (de) * | 2010-04-20 | 2011-10-20 | Deere & Company | Hydraulische Anordnung |
BR112013016370A2 (pt) | 2011-01-04 | 2018-06-19 | Crown Equip Corp | veículo para o manuseio de materiais |
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 |
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 |
DE102014216037A1 (de) * | 2014-08-13 | 2016-02-18 | Robert Bosch Gmbh | Hydraulischer Stromteiler mit gesonderten Druckwaagen |
CN104564877B (zh) * | 2014-12-15 | 2017-09-29 | 徐州徐工挖掘机械有限公司 | 一种挖掘机减压节流系统 |
JP6656913B2 (ja) | 2015-12-24 | 2020-03-04 | 株式会社クボタ | 作業機の油圧システム |
DE102019117081A1 (de) * | 2019-06-25 | 2020-12-31 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Vorrichtung zur Einstellung eines hydraulischen Oberlenkers |
US11313388B1 (en) * | 2021-01-29 | 2022-04-26 | Cnh Industrial America Llc | System and method for controlling hydraulic fluid flow within a work vehicle |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2059556A1 (de) * | 1970-12-03 | 1972-06-08 | Herion Werke Kg | Steuer- und Regeleinrichtung zum wechselweisen Umschalten des Eilganges und des Arbeitsvorschubes von Maschinen |
USRE30403E (en) * | 1974-05-31 | 1980-09-16 | Ross Operating Valve Company | Safety valve for fluid systems |
US4002220A (en) * | 1975-07-11 | 1977-01-11 | Towmotor Corporation | Priority steer system--hydraulic |
US4198822A (en) † | 1977-07-18 | 1980-04-22 | The Scott & Fetzer Company | Load responsive hydraulic system |
DE2800814A1 (de) * | 1978-01-10 | 1979-07-12 | Bosch Gmbh Robert | Hydraulische steuereinrichtung |
DE3710699C1 (de) * | 1987-03-31 | 1988-08-18 | Heilmeier & Weinlein | Hydraulische Steuervorrichtung fuer eine Verbrauchergruppe |
US5209063A (en) * | 1989-05-24 | 1993-05-11 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit utilizing a compensator pressure selecting value |
US5271227A (en) * | 1990-05-15 | 1993-12-21 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic apparatus with pressure compensating valves |
DE4027047A1 (de) * | 1990-08-27 | 1992-03-05 | Rexroth Mannesmann Gmbh | Ventilanordnung zur lastunabhaengigen steuerung mehrerer hydraulischer verbraucher |
JP2557002B2 (ja) * | 1990-09-28 | 1996-11-27 | 株式会社小松製作所 | 油圧回路に用いる操作弁 |
DE4122164C1 (de) * | 1991-07-04 | 1993-01-14 | Danfoss A/S, Nordborg, Dk | |
FR2689575B1 (fr) | 1992-04-06 | 1994-07-08 | Rexroth Sigma | Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs. |
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 |
DE4234036A1 (de) * | 1992-10-09 | 1994-04-14 | Rexroth Mannesmann Gmbh | Ventilanordnung, insbesondere zur Ansteuerung eines hydraulischen Verbrauchers an einem mobilen Arbeitsgerät |
JPH06193606A (ja) † | 1992-12-22 | 1994-07-15 | Komatsu Ltd | 圧力補償弁を備えた操作弁 |
JPH0684006U (ja) * | 1993-05-20 | 1994-12-02 | 住友建機株式会社 | ロードセンシング油圧回路 |
JPH07110006A (ja) * | 1993-10-14 | 1995-04-25 | Hitachi Constr Mach Co Ltd | 油圧駆動装置 |
DE4417962A1 (de) | 1994-05-21 | 1995-11-23 | Rexroth Mannesmann Gmbh | Steueranordnung für wenigstens zwei hydraulische Verbraucher |
JPH0814205A (ja) * | 1994-06-27 | 1996-01-16 | Hitachi Constr Mach Co Ltd | 油圧駆動装置 |
JPH0942208A (ja) * | 1995-05-22 | 1997-02-10 | Kayaba Ind Co Ltd | 油圧駆動制御装置 |
JPH093960A (ja) * | 1995-06-21 | 1997-01-07 | Sumitomo Constr Mach Co Ltd | 油圧ショベルのロードセンシング油圧回路 |
JP3606976B2 (ja) * | 1995-12-26 | 2005-01-05 | 日立建機株式会社 | 油圧作業機の油圧制御システム |
DE19646427B4 (de) * | 1996-11-11 | 2006-01-26 | Bosch Rexroth Aktiengesellschaft | Ventilanordnung |
DE19703997A1 (de) * | 1997-02-04 | 1998-08-06 | Mannesmann Rexroth Ag | Hydraulischer Steuerkreis für einen vorrangigen und für einen nachrangigen hydraulischen Verbraucher |
-
1998
- 1998-06-29 DE DE19828963A patent/DE19828963A1/de not_active Withdrawn
-
1999
- 1999-05-31 DE DE59904746T patent/DE59904746D1/de not_active Expired - Lifetime
- 1999-05-31 JP JP2000557082A patent/JP4520041B2/ja not_active Expired - Lifetime
- 1999-05-31 EP EP99936360A patent/EP1092095B2/de not_active Expired - Lifetime
- 1999-05-31 KR KR1020007015008A patent/KR100636863B1/ko not_active IP Right Cessation
- 1999-05-31 WO PCT/DE1999/001591 patent/WO2000000747A1/de active IP Right Grant
- 1999-05-31 US US09/720,484 patent/US6367365B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1092095A1 (de) | 2001-04-18 |
KR100636863B1 (ko) | 2006-10-19 |
EP1092095B2 (de) | 2007-04-18 |
US6367365B1 (en) | 2002-04-09 |
JP2002519596A (ja) | 2002-07-02 |
WO2000000747A1 (de) | 2000-01-06 |
EP1092095B1 (de) | 2003-03-26 |
KR20010071687A (ko) | 2001-07-31 |
DE19828963A1 (de) | 1999-12-30 |
JP4520041B2 (ja) | 2010-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings |