JP2015520347A - 位置エネルギーの回収及び再利用のための電気油圧システム - Google Patents

位置エネルギーの回収及び再利用のための電気油圧システム Download PDF

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Publication number
JP2015520347A
JP2015520347A JP2015516084A JP2015516084A JP2015520347A JP 2015520347 A JP2015520347 A JP 2015520347A JP 2015516084 A JP2015516084 A JP 2015516084A JP 2015516084 A JP2015516084 A JP 2015516084A JP 2015520347 A JP2015520347 A JP 2015520347A
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JP
Japan
Prior art keywords
accumulator
pressure
fluid
hydraulic
pump
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.)
Pending
Application number
JP2015516084A
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English (en)
Japanese (ja)
Inventor
ジャン ジアオ
ジャン ジアオ
ペンフェイ マ
ペンフェイ マ
シャン トンリン
シャン トンリン
ビクター ウェン ガン
ビクター ウェン ガン
エドワード ネルソン ブライアン
エドワード ネルソン ブライアン
チェン ダーヤオ
チェン ダーヤオ
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Caterpillar Inc
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Caterpillar Inc
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Filing date
Publication date
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of JP2015520347A publication Critical patent/JP2015520347A/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • F15B1/033—Installations or systems with accumulators having accumulator charging devices with electrical 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
    • 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
    • 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
    • F15B2211/20507—Type of prime mover
    • 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
    • F15B2211/20569—Type of pump capable of working as pump and motor
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/214—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • 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
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
    • 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
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3058—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode
    • 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
    • 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
    • F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • 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
    • F15B2211/6343—Electronic controllers using input signals representing a temperature
    • 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
    • F15B2211/70—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
    • 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
    • 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
    • F15B2211/76—Control of force or torque of the output member
    • F15B2211/761—Control of a negative load, i.e. of a load generating hydraulic energy
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP2015516084A 2012-06-04 2013-06-03 位置エネルギーの回収及び再利用のための電気油圧システム Pending JP2015520347A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/487,983 2012-06-04
US13/487,983 US9279236B2 (en) 2012-06-04 2012-06-04 Electro-hydraulic system for recovering and reusing potential energy
PCT/US2013/043820 WO2013184539A1 (en) 2012-06-04 2013-06-03 Electro-hydraulic system for recovering and reusing potential energy

Publications (1)

Publication Number Publication Date
JP2015520347A true JP2015520347A (ja) 2015-07-16

Family

ID=49668582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015516084A Pending JP2015520347A (ja) 2012-06-04 2013-06-03 位置エネルギーの回収及び再利用のための電気油圧システム

Country Status (7)

Country Link
US (1) US9279236B2 (enExample)
JP (1) JP2015520347A (enExample)
CN (1) CN104334893B (enExample)
BR (1) BR112014030146A2 (enExample)
DE (1) DE112013002784T5 (enExample)
IN (1) IN2014DN09827A (enExample)
WO (1) WO2013184539A1 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180044266A (ko) * 2016-09-23 2018-05-02 히다찌 겐끼 가부시키가이샤 작업 기계의 압유 에너지 회생 장치
KR20180056136A (ko) * 2016-11-18 2018-05-28 현대건설기계 주식회사 건설기계의 에너지 회생 시스템 및 그 방법
JP2019120390A (ja) * 2018-01-11 2019-07-22 株式会社豊田自動織機 産業車両の油圧駆動装置
KR20190122868A (ko) * 2017-04-18 2019-10-30 두산인프라코어 주식회사 건설기계
KR20190124289A (ko) * 2017-04-10 2019-11-04 두산인프라코어 주식회사 건설 기계의 유압 시스템
KR20210050529A (ko) * 2018-09-27 2021-05-07 볼보 컨스트럭션 이큅먼트 에이비 작업유닛 방출에너지 회생 시스템 및 방법
WO2023248681A1 (ja) * 2022-06-23 2023-12-28 川崎重工業株式会社 液圧駆動装置

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* Cited by examiner, † Cited by third party
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WO2010141007A1 (en) * 2009-06-01 2010-12-09 Bucyrus International, Inc. Hydraulic crowd system for electric mining shovel
US8997476B2 (en) * 2012-07-27 2015-04-07 Caterpillar Inc. Hydraulic energy recovery system
CN103671295B (zh) * 2013-12-17 2016-03-16 四川百世昌重型机械有限公司 一种闭式蓄能液压系统
US9605694B2 (en) 2013-12-20 2017-03-28 Georgia Tech Research Corporation Energy recapture system for hydraulic elevators
CN105658879B (zh) * 2013-12-26 2018-03-27 斗山英维高株式会社 动臂能量再生控制回路及控制方法
JP6245611B2 (ja) * 2014-04-18 2017-12-13 キャタピラー エス エー アール エル 制御装置および作業機械
JP6205339B2 (ja) 2014-08-01 2017-09-27 株式会社神戸製鋼所 油圧駆動装置
CN104452850B (zh) * 2014-12-16 2017-05-31 山河智能装备股份有限公司 一种挖掘机动臂势能回收利用的方法及其控制装置
US9951795B2 (en) 2015-03-25 2018-04-24 Caterpillar Inc. Integration of swing energy recovery and engine anti-idling systems
US9809958B2 (en) 2015-03-25 2017-11-07 Caterpillar Inc. Engine assist by recovering swing kinetic energy
US9556591B2 (en) * 2015-03-25 2017-01-31 Caterpillar Inc. Hydraulic system recovering swing kinetic and boom potential energy
US10161396B2 (en) 2015-09-17 2018-12-25 Monkey Pumps, LLC Zero emission reciprocating drive pump
US9670921B2 (en) 2015-09-17 2017-06-06 Monkey Pumps, LLC Reciprocating drive mechanism with a spool vent
DE102016003390A1 (de) * 2015-10-23 2017-04-27 Liebherr France Sas Vorrichtung zur Rückgewinnung hydraulischer Energie bei einem Arbeitsgerät und ein entsprechendes Arbeitsgerät
US9932993B2 (en) 2015-11-09 2018-04-03 Caterpillar Inc. System and method for hydraulic energy recovery
US10174770B2 (en) * 2015-11-09 2019-01-08 Caterpillar Inc. System and method of hydraulic energy recovery for machine start-stop and machine ride control
CN105351294B (zh) * 2015-11-25 2018-01-23 日照海卓液压有限公司 多系统同步能量回收网络系统
CN105351293B (zh) * 2015-11-25 2017-07-04 日照海卓液压有限公司 一种被动容积同步系统的能量回收系统
CN105370633B (zh) * 2015-11-26 2018-11-13 中国航空工业集团公司沈阳飞机设计研究所 一种多变负载液压马达拖动装置
CN105465056A (zh) * 2016-01-06 2016-04-06 张旭蓝 一种回收利用试验件变形弹性势能的液压系统
AT518192B1 (de) * 2016-01-22 2017-11-15 Engel Austria Gmbh Hydraulikvorrichtung für eine Formgebungsmaschine
CN105545844B (zh) * 2016-03-19 2017-11-10 青岛大学 一种节能型推土机工作装置液压控制系统
DE102016206821A1 (de) * 2016-04-21 2017-10-26 Festo Ag & Co. Kg Verfahren zum Betreiben einer Ventileinrichtung, Ventileinrichtung und Datenträger mit einem Computerprogramm
CN106286318B (zh) * 2016-05-18 2020-02-28 华信咨询设计研究院有限公司 磁力透平泵及控制方法
EP3258138A1 (en) * 2016-06-13 2017-12-20 DANA ITALIA S.r.l. Series hydraulic hybrid system for a vehicle and method of operating a series hydraulic hybrid system for a vehicle
DE102016007286A1 (de) * 2016-06-15 2017-12-21 Liebherr-Mining Equipment Colmar Sas Vorrichtung zur Rekuperation von hydraulischer Energie mit energieeffizienter Nachfüllung der Stangenseiten von Differentialzylindern und gleichzeitiger Druckübersetzung
DE102016007266A1 (de) * 2016-06-15 2017-12-21 Liebherr-Mining Equipment Colmar Sas Vorrichtung zur direkten Rekuperation von hydraulischer Energie mittels eines einfachwirkenden Hydraulikzylinders
DE102016007267A1 (de) * 2016-06-15 2017-12-21 Liebherr-Mining Equipment Colmar Sas Vorrichtung zur Rekuperation von hydraulischer Energie mittels einer Verschaltung von zwei Differentialzylindern
JP6646547B2 (ja) * 2016-08-22 2020-02-14 株式会社神戸製鋼所 エネルギー回生装置、およびこれを備えた作業機械
JP6549784B2 (ja) * 2016-09-29 2019-07-24 日立建機株式会社 油圧駆動装置
JP6797015B2 (ja) * 2016-12-22 2020-12-09 川崎重工業株式会社 油圧ショベル駆動システム
JP6636977B2 (ja) * 2017-03-14 2020-01-29 日立建機株式会社 作業機械の油圧駆動装置
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