DE68909580T2 - Hydrodynamische antriebsvorrichtung. - Google Patents
Hydrodynamische antriebsvorrichtung.Info
- Publication number
- DE68909580T2 DE68909580T2 DE89908279T DE68909580T DE68909580T2 DE 68909580 T2 DE68909580 T2 DE 68909580T2 DE 89908279 T DE89908279 T DE 89908279T DE 68909580 T DE68909580 T DE 68909580T DE 68909580 T2 DE68909580 T2 DE 68909580T2
- Authority
- DE
- Germany
- Prior art keywords
- drive device
- hydrodynamic drive
- hydrodynamic
- drive
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/26—Safety or control devices
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2205/00—Fluid parameters
- F04B2205/05—Pressure after the pump outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2207/00—External parameters
- F04B2207/01—Load in general
-
- 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
-
- 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
- F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control 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
- F15B2211/3111—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
- F15B2211/40—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
- F15B2211/428—Flow 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
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in 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
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using check 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
- F15B2211/63—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
- F15B2211/635—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
- F15B2211/60—Circuit components or control therefor
- F15B2211/65—Methods of control of the load sensing 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
- F15B2211/665—Methods of control using electronic components
- F15B2211/6653—Pressure 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
- F15B2211/665—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
- F15B2211/70—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
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16906588 | 1988-07-08 | ||
JP18019688A JP2625509B2 (ja) | 1988-07-21 | 1988-07-21 | 油圧駆動装置 |
JP22636588A JP2601882B2 (ja) | 1988-09-12 | 1988-09-12 | 装軌式建設車輌の油圧駆動装置 |
JP63276015A JP2601890B2 (ja) | 1988-11-02 | 1988-11-02 | 土木・建設機械の油圧駆動装置 |
PCT/JP1989/000691 WO1990000683A1 (en) | 1988-07-08 | 1989-07-07 | Hydraulic driving apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68909580D1 DE68909580D1 (de) | 1993-11-04 |
DE68909580T2 true DE68909580T2 (de) | 1994-04-21 |
Family
ID=27474238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89908279T Expired - Fee Related DE68909580T2 (de) | 1988-07-08 | 1989-07-07 | Hydrodynamische antriebsvorrichtung. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5056312A (de) |
EP (1) | EP0379595B1 (de) |
KR (1) | KR940008638B1 (de) |
DE (1) | DE68909580T2 (de) |
WO (1) | WO1990000683A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2541072A3 (de) * | 2011-07-01 | 2016-11-02 | Robert Bosch Gmbh | Steueranordnung und Verfahren zum Ansteuern von mehreren hydraulischen Verbrauchern |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990011413A1 (en) * | 1989-03-22 | 1990-10-04 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive unit for civil engineering and construction machinery |
KR940009219B1 (ko) * | 1989-03-30 | 1994-10-01 | 히다찌 겐끼 가부시기가이샤 | 장궤식차량의 유압구동장치 |
GB8910302D0 (en) * | 1989-05-05 | 1989-06-21 | Welding Inst | Bonding method |
US5209063A (en) * | 1989-05-24 | 1993-05-11 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit utilizing a compensator pressure selecting value |
JPH0758082B2 (ja) * | 1990-06-22 | 1995-06-21 | 株式会社ゼクセル | 油圧制御弁装置 |
DE69128708T2 (de) * | 1990-09-11 | 1998-08-20 | Hitachi Construction Machinery | Hydraulisches steuerungssystem für erdbaumaschine |
GB2250611B (en) * | 1990-11-24 | 1995-05-17 | Samsung Heavy Ind | System for automatically controlling quantity of hydraulic fluid of an excavator |
EP0515608B1 (de) * | 1990-12-15 | 1995-03-29 | Barmag Ag | Hydrauliksystem |
US5394696A (en) * | 1990-12-15 | 1995-03-07 | Barmag Ag | Hydraulic system |
JP3216815B2 (ja) * | 1991-01-23 | 2001-10-09 | 株式会社小松製作所 | 圧力補償弁を有する油圧回路 |
US5307631A (en) * | 1991-01-28 | 1994-05-03 | Hitachi Construction Machinery Co., Ltd. | Hydraulic control apparatus for hydraulic construction machine |
DE69213880T2 (de) * | 1991-05-09 | 1997-02-27 | Hitachi Construction Machinery | Hydraulisches steuerungssystem für baumaschine |
DE4127342C2 (de) * | 1991-08-19 | 1995-02-16 | Danfoss As | Hydraulisches System mit einer Pumpe |
DE4140423A1 (de) * | 1991-12-07 | 1993-06-09 | Mannesmann Rexroth Gmbh, 8770 Lohr, De | Vorrichtung zur einstellung des arbeitsfluessigkeitsdruckes |
DE4219787C1 (de) * | 1992-06-17 | 1994-01-05 | Jungheinrich Ag | Fahrzeug mit batterie-elektrischem Fahr-Antrieb, insbesondere Hublader |
JPH0742705A (ja) * | 1993-07-30 | 1995-02-10 | Yutani Heavy Ind Ltd | 作業機械の油圧装置 |
JP3477687B2 (ja) * | 1993-11-08 | 2003-12-10 | 日立建機株式会社 | 流量制御装置 |
KR0167408B1 (ko) * | 1993-11-30 | 1998-12-01 | 오까다 하지모 | 유압펌프제어장치 |
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 |
JP3567051B2 (ja) * | 1996-06-12 | 2004-09-15 | 新キャタピラー三菱株式会社 | 油圧アクチュエータ用の操作制御装置 |
JP3517817B2 (ja) * | 1997-02-24 | 2004-04-12 | 新キャタピラー三菱株式会社 | 油圧パイロット回路 |
US7096358B2 (en) * | 1998-05-07 | 2006-08-22 | Maz Technologies, Inc. | Encrypting file system |
FR2900693B1 (fr) * | 2006-05-02 | 2008-07-04 | Etude Et D Innovation Dans Le | Dispositif de commande hydraulique de verins de machines et ses applications |
DE102007014550A1 (de) * | 2007-03-27 | 2008-10-09 | Hydac Filtertechnik Gmbh | Ventilanordnung |
US8401745B2 (en) * | 2009-09-01 | 2013-03-19 | Cnh America Llc | Pressure control system for a hydraulic lift and flotation system |
BR112012029509A2 (pt) | 2010-05-11 | 2016-12-06 | Parker Hannifin Corp | sistema hidráulico compensado por pressão incorporando controle diferencial de pressão. |
US8659177B2 (en) * | 2011-02-03 | 2014-02-25 | Hitachi Construction Machinery Co., Ltd. | Motive power regeneration system for working machine |
US8483916B2 (en) | 2011-02-28 | 2013-07-09 | Caterpillar Inc. | Hydraulic control system implementing pump torque limiting |
EP2686561A1 (de) * | 2011-03-17 | 2014-01-22 | Parker-Hannificn Corporation | Elektrohydraulisches system zur steuerung mehrerer funktionen |
CN102607876B (zh) * | 2012-04-13 | 2014-12-10 | 山东大学 | 适用于模型试验的多路高精度液压加卸载伺服控制系统 |
JP6019956B2 (ja) * | 2012-09-06 | 2016-11-02 | コベルコ建機株式会社 | ハイブリッド建設機械の動力制御装置 |
US9545062B2 (en) | 2012-09-13 | 2017-01-17 | Deere & Company | Integrated hydraulic system for harvester |
EP2774681B1 (de) * | 2013-03-07 | 2016-05-18 | Sandvik Intellectual Property AB | Hydraulisches Druckentlastungsventil für einen Kreiselbrecher |
EP2980324B1 (de) * | 2013-03-26 | 2021-10-27 | Doosan Infracore Co., Ltd. | Hydrauliksystem für eine baumaschine |
JP6231949B2 (ja) * | 2014-06-23 | 2017-11-15 | 株式会社日立建機ティエラ | 建設機械の油圧駆動装置 |
KR102389687B1 (ko) | 2015-01-14 | 2022-04-22 | 현대두산인프라코어 주식회사 | 건설기계의 제어 시스템 |
EP3104022B1 (de) | 2015-06-12 | 2019-12-04 | National Oilwell Varco Norway AS | Verbesserungen bei der regelung hydraulischer antriebe |
JP6539626B2 (ja) * | 2016-09-16 | 2019-07-03 | 日立建機株式会社 | 作業機械 |
KR102228436B1 (ko) * | 2018-03-15 | 2021-03-16 | 히다찌 겐끼 가부시키가이샤 | 건설 기계 |
JP7240558B2 (ja) * | 2020-03-27 | 2023-03-15 | 日立建機株式会社 | 作業機械 |
WO2021192287A1 (ja) * | 2020-03-27 | 2021-09-30 | 株式会社日立建機ティエラ | 建設機械の油圧駆動装置 |
JP2023025934A (ja) * | 2021-08-11 | 2023-02-24 | 株式会社クボタ | 作業機の油圧システム |
CN115182407B (zh) * | 2022-07-13 | 2023-09-12 | 中联重科股份有限公司 | 用于控制臂架的方法、装置、控制器及工程机械 |
Family Cites Families (12)
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JPS59226702A (ja) * | 1983-06-03 | 1984-12-19 | Sumiyoshi Seisakusho:Kk | 負荷感応型油圧装置 |
DE3321483A1 (de) * | 1983-06-14 | 1984-12-20 | Linde Ag, 6200 Wiesbaden | Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie |
JPS6111429A (ja) * | 1984-06-26 | 1986-01-18 | Hitachi Constr Mach Co Ltd | 原動機と油圧ポンプを含む系の制御装置 |
DE3515732A1 (de) * | 1985-05-02 | 1986-11-06 | Danfoss A/S, Nordborg | Steuereinrichtung fuer mindestens einen hydraulisch betriebenen verbraucher |
DE3532816A1 (de) * | 1985-09-13 | 1987-03-26 | Rexroth Mannesmann Gmbh | Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher |
CN1007632B (zh) * | 1985-12-28 | 1990-04-18 | 日立建机株式会社 | 液压建筑机械的控制系统 |
DE3644736C2 (de) * | 1985-12-30 | 1996-01-11 | Rexroth Mannesmann Gmbh | Steueranordnung für mindestens zwei von mindestens einer Pumpe gespeiste hydraulische Verbraucher |
DE3546336A1 (de) * | 1985-12-30 | 1987-07-02 | Rexroth Mannesmann Gmbh | Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher |
EP0235545B1 (de) * | 1986-01-25 | 1990-09-12 | Hitachi Construction Machinery Co., Ltd. | Hydraulisches Antriebssystem |
DE3702002A1 (de) * | 1987-01-23 | 1988-08-04 | Hydromatik Gmbh | Steuervorrichtung fuer ein hydrostatisches getriebe fuer wenigstens zwei verbraucher |
IN171213B (de) * | 1988-01-27 | 1992-08-15 | Hitachi Construction Machinery | |
WO1989008200A1 (en) * | 1988-03-03 | 1989-09-08 | Hitachi Construction Machinery Co., Ltd. | Method and apparatus for driving hydraulic machine |
-
1989
- 1989-07-07 US US07/449,845 patent/US5056312A/en not_active Expired - Lifetime
- 1989-07-07 WO PCT/JP1989/000691 patent/WO1990000683A1/ja active IP Right Grant
- 1989-07-07 DE DE89908279T patent/DE68909580T2/de not_active Expired - Fee Related
- 1989-07-07 KR KR1019900700084A patent/KR940008638B1/ko not_active IP Right Cessation
- 1989-07-07 EP EP89908279A patent/EP0379595B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2541072A3 (de) * | 2011-07-01 | 2016-11-02 | Robert Bosch Gmbh | Steueranordnung und Verfahren zum Ansteuern von mehreren hydraulischen Verbrauchern |
Also Published As
Publication number | Publication date |
---|---|
KR940008638B1 (ko) | 1994-09-24 |
EP0379595B1 (de) | 1993-09-29 |
EP0379595A4 (en) | 1990-12-05 |
DE68909580D1 (de) | 1993-11-04 |
WO1990000683A1 (en) | 1990-01-25 |
US5056312A (en) | 1991-10-15 |
KR900702146A (ko) | 1990-12-05 |
EP0379595A1 (de) | 1990-08-01 |
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