DE69738461D1 - Steuervorrichtung einer Hydraulikantriebsmaschine - Google Patents
Steuervorrichtung einer HydraulikantriebsmaschineInfo
- Publication number
- DE69738461D1 DE69738461D1 DE69738461T DE69738461T DE69738461D1 DE 69738461 D1 DE69738461 D1 DE 69738461D1 DE 69738461 T DE69738461 T DE 69738461T DE 69738461 T DE69738461 T DE 69738461T DE 69738461 D1 DE69738461 D1 DE 69738461D1
- Authority
- DE
- Germany
- Prior art keywords
- control device
- hydraulic drive
- drive machine
- machine
- hydraulic
- 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
- F15B11/16—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
-
- 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
- F15B11/166—Controlling a pilot pressure in response to the load, i.e. supply to at least one user is regulated by adjusting either the system pilot pressure or one or more of the individual pilot command pressures
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
- B60R2016/0322—Temporary code for documents to be reclassified to G08C, H04L or H04Q
-
- 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
- F15B2211/205—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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed 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
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply 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
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/633—Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
-
- 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
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position
-
- 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
- F15B2211/665—Methods of control using electronic components
-
- 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
- F15B2211/665—Methods of control using electronic components
- F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
-
- 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
- F15B2211/665—Methods of control using electronic components
- F15B2211/6652—Control of the pressure source, e.g. control of the swash plate angle
-
- 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
- F15B2211/665—Methods of control using electronic components
- F15B2211/6654—Flow rate 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
- F15B2211/60—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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting 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
- F15B2211/70—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
-
- 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)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04155496A JP3673003B2 (ja) | 1996-02-28 | 1996-02-28 | 油圧駆動機械の制御装置 |
JP04310196A JP3723270B2 (ja) | 1996-02-29 | 1996-02-29 | 油圧駆動機械の制御装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69738461D1 true DE69738461D1 (de) | 2008-02-21 |
Family
ID=26381194
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69732177T Expired - Lifetime DE69732177D1 (de) | 1996-02-28 | 1997-02-28 | Steuervorrichtung einer hydraulikantriebsmaschine |
DE69738461T Expired - Lifetime DE69738461D1 (de) | 1996-02-28 | 1997-02-28 | Steuervorrichtung einer Hydraulikantriebsmaschine |
DE69740086T Expired - Lifetime DE69740086D1 (de) | 1996-02-28 | 1997-02-28 | Steuervorrichtung für eine Hydraulikantriebsmaschine |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69732177T Expired - Lifetime DE69732177D1 (de) | 1996-02-28 | 1997-02-28 | Steuervorrichtung einer hydraulikantriebsmaschine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69740086T Expired - Lifetime DE69740086D1 (de) | 1996-02-28 | 1997-02-28 | Steuervorrichtung für eine Hydraulikantriebsmaschine |
Country Status (5)
Country | Link |
---|---|
US (2) | US6173573B1 (de) |
EP (3) | EP0884482B1 (de) |
KR (1) | KR19990087335A (de) |
DE (3) | DE69732177D1 (de) |
WO (1) | WO1997032135A1 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807118B1 (fr) * | 2000-03-28 | 2002-07-05 | Mannesmann Rexroth Sa | Circuit hydraulique pour l'actionnement de recepteurs hydrauliques multiples |
US6871710B1 (en) | 2001-05-01 | 2005-03-29 | Altec Industries, Inc. | Rotational float for rotating equipment |
US6735486B2 (en) * | 2001-05-01 | 2004-05-11 | Altec Industries | Side load detection and protection system for rotatable equipment |
US6685138B1 (en) * | 2002-11-25 | 2004-02-03 | The Boeing Company | Augmenting flight control surface actuation system and method |
JP3992612B2 (ja) * | 2002-12-26 | 2007-10-17 | 株式会社クボタ | バックホウの油圧回路構造 |
DE10342037A1 (de) * | 2003-09-11 | 2005-04-07 | Bosch Rexroth Ag | Steueranordnung und Verfahren zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern |
JP4096900B2 (ja) * | 2004-03-17 | 2008-06-04 | コベルコ建機株式会社 | 作業機械の油圧制御回路 |
US7093383B2 (en) * | 2004-03-26 | 2006-08-22 | Husco International Inc. | Automatic hydraulic load leveling system for a work vehicle |
US6976357B1 (en) * | 2004-06-23 | 2005-12-20 | Husco International, Inc. | Conduit loss compensation for a distributed electrohydraulic system |
WO2006013821A1 (ja) * | 2004-08-02 | 2006-02-09 | Komatsu Ltd. | 流体圧アクチュエータの制御システムおよび同制御方法ならびに流体圧機械 |
DE602005024754D1 (de) * | 2004-09-28 | 2010-12-30 | Agco Sa | Steuersystem für einen Lader. |
KR100641393B1 (ko) * | 2004-12-07 | 2006-11-01 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 유압제어회로 및 유압제어방법 |
US7089733B1 (en) * | 2005-02-28 | 2006-08-15 | Husco International, Inc. | Hydraulic control valve system with electronic load sense control |
US7430954B2 (en) * | 2005-09-26 | 2008-10-07 | Kubota Corporation | Work machine |
WO2007054123A1 (en) * | 2005-11-10 | 2007-05-18 | Volvo Construction Equipment Holding Sweden Ab | Loader |
JP5199107B2 (ja) * | 2005-11-14 | 2013-05-15 | マイデータ オートメーション アクチボラグ | 噴射装置、および噴射装置の性能を改善するための方法 |
US7804255B2 (en) * | 2007-07-26 | 2010-09-28 | Leviton Manufacturing Company, Inc. | Dimming system powered by two current sources and having an operation indicator module |
JP4825765B2 (ja) * | 2007-09-25 | 2011-11-30 | 株式会社クボタ | バックホーの油圧システム |
DE102007048697A1 (de) * | 2007-10-11 | 2009-04-16 | Deere & Company, Moline | Hydraulische Hubeinrichtung |
DE102007059491B3 (de) * | 2007-12-11 | 2009-07-09 | Sauer-Danfoss Gmbh & Co Ohg | Verfahren und Schaltungsanordnung zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern |
US8511080B2 (en) * | 2008-12-23 | 2013-08-20 | Caterpillar Inc. | Hydraulic control system having flow force compensation |
FR2942279B1 (fr) * | 2009-02-19 | 2016-04-15 | Etablissements Emily | Machine du type comprenant un moteur hydraulique destine a entrainer a rotation un accessoire |
JP5161155B2 (ja) * | 2009-06-12 | 2013-03-13 | 株式会社小松製作所 | 作業機械および作業機械の制御方法 |
IT1397794B1 (it) | 2010-01-26 | 2013-01-24 | Cifa Spa | Dispositivo per il controllo attivo delle vibrazioni di un braccio articolato per il pompaggio di calcestruzzo. |
JP5351813B2 (ja) * | 2010-03-31 | 2013-11-27 | 株式会社クボタ | 作業車の油圧システム |
KR20110127343A (ko) * | 2010-05-19 | 2011-11-25 | 두산산업차량 주식회사 | 중장비 작업기의 상승속도 제어장치 |
JP5898232B2 (ja) * | 2010-12-28 | 2016-04-06 | ボルボ コンストラクション イクイップメント アーベー | 建設機械用可変容量型油圧ポンプの流量制御方法 |
JP5631830B2 (ja) | 2011-09-21 | 2014-11-26 | 住友重機械工業株式会社 | 油圧制御装置及び油圧制御方法 |
JP5631829B2 (ja) * | 2011-09-21 | 2014-11-26 | 住友重機械工業株式会社 | 油圧制御装置及び油圧制御方法 |
WO2014081053A1 (ko) * | 2012-11-23 | 2014-05-30 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계의 우선 기능 제어장치 및 그 제어방법 |
CA2926863A1 (en) * | 2013-10-29 | 2015-05-07 | Raven Industries, Inc. | Hydraulic displacement control system |
CN103807236B (zh) * | 2014-01-22 | 2015-09-16 | 浙江大学 | 阀控单元负载口独立控制多缸流量分配液压系统 |
US9759212B2 (en) | 2015-01-05 | 2017-09-12 | Danfoss Power Solutions Inc. | Electronic load sense control with electronic variable load sense relief, variable working margin, and electronic torque limiting |
JP6302601B2 (ja) * | 2015-12-10 | 2018-03-28 | 川崎重工業株式会社 | 油圧駆動システム |
EP4155556A1 (de) * | 2017-12-14 | 2023-03-29 | Volvo Construction Equipment AB | Hydraulische maschine |
CN109058194A (zh) * | 2018-10-11 | 2018-12-21 | 徐工集团工程机械有限公司 | 作业执行机构的液压控制系统及其控制方法和作业机械 |
JP7190933B2 (ja) * | 2019-02-15 | 2022-12-16 | 日立建機株式会社 | 建設機械 |
CN111102253A (zh) * | 2019-12-25 | 2020-05-05 | 长沙中达智能科技有限公司 | 一种液压驱动机构速度的控制装置与方法 |
FR3106166B1 (fr) * | 2020-01-09 | 2022-01-21 | Bosch Gmbh Robert | « Installation de commande d’une installation hydraulique à plusieurs récepteurs fonctionnant en parallèle ». |
US11608615B1 (en) | 2021-10-26 | 2023-03-21 | Cnh Industrial America Llc | System and method for controlling hydraulic valve operation within a work vehicle |
US11614101B1 (en) | 2021-10-26 | 2023-03-28 | Cnh Industrial America Llc | System and method for controlling hydraulic valve operation within a work vehicle |
IT202100027794A1 (it) * | 2021-10-29 | 2023-04-29 | Cnh Ind Italia Spa | Metodo e sistema di controllo di un circuito idraulico di un veicolo da lavoro |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537029A (en) | 1982-09-23 | 1985-08-27 | Vickers, Incorporated | Power transmission |
DE3447709C1 (de) | 1984-12-28 | 1986-04-30 | Karl 7298 Loßburg Hehl | Steuervorrichtung fuer den hydraulischen Kreislauf einer Kunststoff-Spritzgiessmaschine |
JPH0450505A (ja) * | 1990-06-15 | 1992-02-19 | Hitachi Constr Mach Co Ltd | 建設機械の油圧駆動装置 |
JPH0478307U (de) * | 1990-11-20 | 1992-07-08 | ||
WO1992010684A1 (de) * | 1990-12-15 | 1992-06-25 | Barmag Ag | Hydrauliksystem |
US5138838A (en) | 1991-02-15 | 1992-08-18 | Caterpillar Inc. | Hydraulic circuit and control system therefor |
JPH04351304A (ja) * | 1991-05-29 | 1992-12-07 | Hitachi Constr Mach Co Ltd | 油圧駆動装置 |
US5167121A (en) * | 1991-06-25 | 1992-12-01 | University Of British Columbia | Proportional hydraulic control |
JPH05248403A (ja) * | 1992-01-13 | 1993-09-24 | Caterpillar Inc | 油圧制御装置 |
JP3228931B2 (ja) * | 1992-02-18 | 2001-11-12 | 日立建機株式会社 | 油圧駆動装置 |
JP2602760B2 (ja) | 1992-07-23 | 1997-04-23 | 石原薬品株式会社 | 無電解メッキ浴の自動管理方法 |
JP3026527B2 (ja) | 1992-07-27 | 2000-03-27 | 株式会社ジャパンエナジー | 無電解めっきの前処理方法および前処理液 |
JPH06336750A (ja) * | 1993-05-27 | 1994-12-06 | Hitachi Constr Mach Co Ltd | 建設機械の油圧駆動装置 |
GB9503854D0 (en) * | 1995-02-25 | 1995-04-19 | Ultra Hydraulics Ltd | Electrohydraulic proportional control valve assemblies |
US5666806A (en) | 1995-07-05 | 1997-09-16 | Caterpillar Inc. | Control system for a hydraulic cylinder and method |
JP3113547B2 (ja) * | 1995-07-19 | 2000-12-04 | 新キャタピラー三菱株式会社 | 油圧制御回路 |
-
1997
- 1997-02-28 DE DE69732177T patent/DE69732177D1/de not_active Expired - Lifetime
- 1997-02-28 DE DE69738461T patent/DE69738461D1/de not_active Expired - Lifetime
- 1997-02-28 EP EP97903627A patent/EP0884482B1/de not_active Expired - Lifetime
- 1997-02-28 EP EP07000473A patent/EP1798346B1/de not_active Expired - Lifetime
- 1997-02-28 DE DE69740086T patent/DE69740086D1/de not_active Expired - Lifetime
- 1997-02-28 EP EP05000030A patent/EP1553231B1/de not_active Expired - Lifetime
- 1997-02-28 WO PCT/JP1997/000597 patent/WO1997032135A1/ja active IP Right Grant
- 1997-02-28 KR KR1019980706744A patent/KR19990087335A/ko not_active Application Discontinuation
-
1998
- 1998-02-28 US US09/125,691 patent/US6173573B1/en not_active Expired - Fee Related
-
2000
- 2000-10-19 US US09/691,229 patent/US6438953B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6173573B1 (en) | 2001-01-16 |
EP1798346B1 (de) | 2010-12-22 |
EP0884482B1 (de) | 2005-01-05 |
EP1798346A3 (de) | 2008-01-09 |
EP1553231A3 (de) | 2005-07-20 |
DE69740086D1 (de) | 2011-02-03 |
EP1553231B1 (de) | 2008-01-09 |
DE69732177D1 (de) | 2005-02-10 |
WO1997032135A1 (en) | 1997-09-04 |
EP0884482A1 (de) | 1998-12-16 |
US6438953B1 (en) | 2002-08-27 |
KR19990087335A (ko) | 1999-12-27 |
EP1798346A2 (de) | 2007-06-20 |
EP0884482A4 (de) | 1999-05-19 |
EP1553231A2 (de) | 2005-07-13 |
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