KR20140010368A - 건설기계의 에너지 재생 시스템 - Google Patents
건설기계의 에너지 재생 시스템 Download PDFInfo
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- KR20140010368A KR20140010368A KR1020137016260A KR20137016260A KR20140010368A KR 20140010368 A KR20140010368 A KR 20140010368A KR 1020137016260 A KR1020137016260 A KR 1020137016260A KR 20137016260 A KR20137016260 A KR 20137016260A KR 20140010368 A KR20140010368 A KR 20140010368A
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title description 4
- 230000008929 regeneration Effects 0.000 claims abstract description 19
- 238000011069 regeneration method Methods 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 230000001172 regenerating effect Effects 0.000 claims abstract description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 38
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 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
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
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- 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
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- 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
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
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- 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
- E02F9/2025—Particular purposes of control systems not otherwise provided for
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- 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
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- 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
- E02F9/2282—Systems using center bypass type changeover valves
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- 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
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- 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
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- 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
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- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
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- 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
- F15B21/14—Energy-recuperation means
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- 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
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- 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
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- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
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- 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
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke
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- 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
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- 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
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- 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
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- 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
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
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- 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
- F15B2211/85—Control during special operating conditions
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- 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
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Abstract
제1,2유압펌프와, 제1유압펌프에 아암 아웃 공급유로를 통해 저압측 챔버가 연결되는 아암실린더와, 아암실린더의 고압측 챔버를 유압탱크에 연결하는 아암 아웃 리턴유로와, 제2유압펌프에 붐 다운 공급유로를 통해 저압측 챔버가 연결되는 붐실린더와, 붐실린더의 고압측 챔버를 유압탱크에 연결하는 붐 다운 리턴유로와, 붐 다운 리턴유로와 아암 아웃 공급유로를 병렬연결하는 합류 및 재생 유로와, 붐 다운 리턴유로와 붐 다운 공급유로를 병렬연결하는 재생용 유로와, 붐 다운과 아암 아웃의 복합작동시 붐실린더에서 귀환되는 작동유의 재생 가능여부를 판단하기 위해 아암실린더 및 붐실린더의 압력을 각각 검출하는 검출수단을 포함하는 것을 특징으로 하는 건설기계의 에너지 재생 시스템을 제공한다.
Description
도 2는 본 발명의 실시예에 의한 건설기계의 에너지 재생 시스템의 유압회로도,
도 3은 본 발명의 실시예에 의한 건설기계의 에너지 재생 시스템에서, 붐 다운으로 재생된 유량을 아암실린더에 공급하는 것을 설명하기 위한 흐름도이다.
〈도면의 주요 부분에 대한 참조부호의 설명〉
11; 가변용량형 제1유압펌프
12; 가변용량형 제2유압펌프
13; 아암 아웃 공급유로
14; 아암실린더
15; 아암 아웃 리턴유로
16; 붐 다운 공급유로
17; 붐실린더
18; 붐 다운 리턴유로
19; 합류 및 재생 유로
20; 재생용 유로
21; 제1 가변형 유량제어밸브
22; 제2 가변형 유량제어밸브
23; 제3 가변형 유량제어밸브
24; 제4 가변형 유량제어밸브
25; 제5 가변형 유량제어밸브
26; 제1압력센서
27; 제2압력센서
28; 제3압력센서
Claims (5)
- 가변용량형 제1,2유압펌프와,
상기 제1유압펌프에 아암 아웃 공급유로를 통해 저압측 챔버가 연결되는 아암실린더와,
상기 아암실린더의 고압측 챔버를 유압탱크에 연결하는 아암 아웃 리턴유로와,
상기 제2유압펌프에 붐 다운 공급유로를 통해 저압측 챔버가 연결되는 붐실린더와,
상기 붐실린더의 고압측 챔버를 유압탱크에 연결하는 붐 다운 리턴유로와,
상기 붐 다운 리턴유로와 상기 아암 아웃 공급유로를 병렬연결하여, 붐 다운과 아암 아웃의 복합작동시 붐 다운으로 유압탱크로 귀환되는 작동유 일부를 상기 아암 아웃 공급유로에 공급하여 재생시키는 합류 및 재생 유로와,
상기 붐 다운 리턴유로와 붐 다운 공급유로를 병렬연결하여, 붐 다운으로 유압탱크로 귀환되는 작동유 일부를 붐실린더의 저압측 챔버에 공급하여 재생시키는 재생용 유로와,
붐 다운과 아암 아웃의 복합작동시 상기 붐실린더에서 귀환되는 작동유의 재생 가능여부를 판단하기 위해 상기 아암실린더 및 붐실린더의 압력을 각각 검출하는 검출수단을 포함하는 것을 특징으로 하는 건설기계의 에너지 재생 시스템. - 제1항에 있어서, 상기 붐 다운 공급유로에 설치되며, 상기 제2유압펌프로부터 붐실린더의 저압측 챔버로 공급되는 작동유를 제어하는 제1 가변형 유량제어밸브와,
상기 붐 다운 리턴유로에 설치되며, 붐실린더의 고압측 챔버로부터 리턴되는 작동유를 제어하는 제2 가변형 유량제어밸브를 포함하는 것을 특징으로 하는 건설기계의 에너지 재생 시스템. - 제2항에 있어서, 상기 아암 아웃 공급유로에 설치되며, 제1유압펌프로부터 상기 아암실린더의 저압측 챔버로 공급되는 작동유를 제어하는 제3 가변형 유량제어밸브와,
상기 아암 아웃 리턴유로에 설치되며, 상기 아암실린더의 고압측 챔버로부터 유압탱크로 리턴되는 작동유를 제어하는 제4 가변형 유량제어밸브를 포함하는 것을 특징으로 하는 건설기계의 에너지 재생 시스템. - 제3항에 있어서, 상기 합류 및 재생 유로에 설치되며, 붐실린더의 고압측 챔버로부터 아암실린더의 저압측 챔버로 공급되는 작동유를 제어하는 제5 가변형 유량제어밸브를 포함하는 것을 특징으로 하는 건설기계의 에너지 재생 시스템.
- 제1항에 있어서, 상기 검출수단은
상기 붐실린더의 고압측 챔버에 발생되는 압력을 검출하는 제1 압력센서와, 상기 아암실린더의 저압측 챔버에 공급되는 제1유압펌프의 토출 압력을 검출하는 제2 압력센서를 포함하는 것을 특징으로 하는 건설기계의 에너지 재생 시스템.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| KR20140010368A true KR20140010368A (ko) | 2014-01-24 |
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| EP (1) | EP2660481B1 (ko) |
| JP (1) | JP5747087B2 (ko) |
| KR (1) | KR20140010368A (ko) |
| CN (1) | CN103270318B (ko) |
| WO (1) | WO2012091184A1 (ko) |
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| KR20170000174U (ko) * | 2015-07-01 | 2017-01-11 | 마린 하이드로텍 가부시키가이샤 | 선박의 유압 기기의 감시 장치 |
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| KR20140050031A (ko) | 2011-08-09 | 2014-04-28 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계의 압력 제어시스템 |
| JP2015503689A (ja) | 2012-01-02 | 2015-02-02 | ボルボ コンストラクション イクイップメント アーベー | 建設機械用ダンプの駆動制御方法 |
| JP5928065B2 (ja) * | 2012-03-27 | 2016-06-01 | コベルコ建機株式会社 | 制御装置及びこれを備えた建設機械 |
| US9562345B2 (en) | 2012-06-04 | 2017-02-07 | Volvo Construction Equipment Ab | Driving control method for construction machine |
| DE112013006501T5 (de) | 2013-01-24 | 2016-03-31 | Volvo Construction Equipment Ab | Vorrichtung und Verfahren zum Steuern einer Flussrate bei Baumaschinen |
| CN104709834B (zh) * | 2013-12-11 | 2017-08-04 | 北汽福田汽车股份有限公司 | 回转调速控制系统和起重机 |
| US20170016460A1 (en) * | 2014-01-27 | 2017-01-19 | Volvo Construction Equipment Ab | Device for controlling regenerated flow rate for construction machine and method for controlling same |
| CN104005435B (zh) * | 2014-06-06 | 2016-12-07 | 山东中川液压有限公司 | 一种高效节能环保油液混合动力挖掘机 |
| CN105221504B (zh) * | 2014-06-23 | 2019-06-04 | 胡斯可国际股份有限公司 | 再生失活(regeneration deactivation)阀和方法 |
| CN104481947A (zh) * | 2014-12-08 | 2015-04-01 | 西南铝业(集团)有限责任公司 | 倾翻炉共用液压控制系统 |
| JP6473631B2 (ja) * | 2015-02-12 | 2019-02-20 | 株式会社神戸製鋼所 | 建設機械の油圧制御装置 |
| WO2016195134A1 (ko) * | 2015-06-03 | 2016-12-08 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계용 유압회로 |
| US10183852B2 (en) * | 2015-07-30 | 2019-01-22 | Danfoss Power Solutions Gmbh & Co Ohg | Load dependent electronic valve actuator regulation and pressure compensation |
| US10443628B2 (en) * | 2016-10-26 | 2019-10-15 | Deere & Company | Boom control with integrated variable return metering |
| JP6734488B2 (ja) * | 2017-12-26 | 2020-08-05 | 日立建機株式会社 | 作業機械 |
| JP7222595B2 (ja) * | 2019-08-09 | 2023-02-15 | キャタピラー エス エー アール エル | 油圧制御システム |
| CN110541447A (zh) * | 2019-09-06 | 2019-12-06 | 上海三一重机股份有限公司 | 动臂下降回油再用控制装置、方法和挖掘机 |
| JP7523290B2 (ja) * | 2020-09-14 | 2024-07-26 | 川崎重工業株式会社 | 液圧駆動システム |
| CN112555207A (zh) * | 2020-12-01 | 2021-03-26 | 上海华兴数字科技有限公司 | 液压控制系统和机械设备 |
| EP4230809B1 (en) * | 2022-02-17 | 2025-07-09 | Robert Bosch GmbH | Hydraulic control system for a machine, machine and method for controlling boom and attachment movements of a machine |
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| JP3458434B2 (ja) * | 1993-12-28 | 2003-10-20 | コベルコ建機株式会社 | 作業機械の油圧装置 |
| JP3594680B2 (ja) * | 1995-02-13 | 2004-12-02 | 日立建機株式会社 | 油圧機械の油圧再生装置 |
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| KR101470626B1 (ko) * | 2007-12-27 | 2014-12-09 | 두산인프라코어 주식회사 | 건설장비의 전자유압 시스템 |
| WO2010030830A1 (en) * | 2008-09-11 | 2010-03-18 | Parker Hannifin Corporation | Method of controlling an electro-hydraulic actuator system having multiple functions |
| US20100122528A1 (en) * | 2008-11-19 | 2010-05-20 | Beschorner Matthew J | Hydraulic system having regeneration and supplemental flow |
| JP5296570B2 (ja) * | 2009-02-16 | 2013-09-25 | 株式会社神戸製鋼所 | 作業機械の油圧制御装置及びこれを備えた作業機械 |
-
2010
- 2010-12-27 WO PCT/KR2010/009354 patent/WO2012091184A1/ko not_active Ceased
- 2010-12-27 US US13/996,797 patent/US20130269332A1/en not_active Abandoned
- 2010-12-27 KR KR1020137016260A patent/KR20140010368A/ko not_active Ceased
- 2010-12-27 CN CN201080070912.6A patent/CN103270318B/zh active Active
- 2010-12-27 JP JP2013547270A patent/JP5747087B2/ja not_active Expired - Fee Related
- 2010-12-27 EP EP10861510.5A patent/EP2660481B1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170000174U (ko) * | 2015-07-01 | 2017-01-11 | 마린 하이드로텍 가부시키가이샤 | 선박의 유압 기기의 감시 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103270318B (zh) | 2015-08-19 |
| EP2660481A1 (en) | 2013-11-06 |
| EP2660481A4 (en) | 2014-12-03 |
| EP2660481B1 (en) | 2017-02-01 |
| JP2014502709A (ja) | 2014-02-03 |
| US20130269332A1 (en) | 2013-10-17 |
| WO2012091184A1 (ko) | 2012-07-05 |
| JP5747087B2 (ja) | 2015-07-08 |
| CN103270318A (zh) | 2013-08-28 |
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