BR112013033632A2 - sistema de recuperação de energia de giro e método para controlar uma máquina - Google Patents

sistema de recuperação de energia de giro e método para controlar uma máquina

Info

Publication number
BR112013033632A2
BR112013033632A2 BR112013033632A BR112013033632A BR112013033632A2 BR 112013033632 A2 BR112013033632 A2 BR 112013033632A2 BR 112013033632 A BR112013033632 A BR 112013033632A BR 112013033632 A BR112013033632 A BR 112013033632A BR 112013033632 A2 BR112013033632 A2 BR 112013033632A2
Authority
BR
Brazil
Prior art keywords
energy recovery
recovery system
machine
engine
pressure relief
Prior art date
Application number
BR112013033632A
Other languages
English (en)
Inventor
Chen Dayao
Kuehn Jeffrey
Zhang Jiao
Tognetti Lawrence
Ma Pengfei
Shang Tonglin
Original Assignee
Caterpillar Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of BR112013033632A2 publication Critical patent/BR112013033632A2/pt

Links

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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • 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
    • E02F9/2296—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
    • 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
    • F15B2211/2053—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
    • F15B2211/21—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
    • F15B2211/30—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
    • F15B2211/50—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
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • F15B2211/50527—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves using cross-pressure relief 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary 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)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

resumo “sistema de recuperação de energia de giro e método para controlar uma máquina” um sistema de recuperação de energia de giro (50) para uma máquina (10) é divulgado. o sistema de recuperação de energia de giro pode ter uma bomba (58) configurada para pressurizar o fluido, um motor (49) acionado por um fluxo de fluido pressurizado a partir da bomba, e um arranjo de recuperação de energia (104) configurado para receber o fluido pressurizado descarregado a partir do motor e seletivamente fornecer o fluido pressurizado para o motor. uma válvula seletora (120), uma válvula de carga (122), e uma válvula de descarga (124) podem ser seletivamente utilizadas para o carregamento e o descarregamento de pelo menos um acumulador (108, 110). o sistema de recuperação de energia de giro pode também ter uma válvula de alívio de pressão (146) associada com o motor, e um controlador (100) em comunicação com o arranjo de recuperação de energia e a válvula de alívio de pressão. o controlador pode ser configurado para seletivamente ajustar uma regulagem da válvula de alívio de pressão com base em uma condição de operação do arranjo de recuperação de energia. 1
BR112013033632A 2011-06-28 2012-06-14 sistema de recuperação de energia de giro e método para controlar uma máquina BR112013033632A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/171,146 US8776511B2 (en) 2011-06-28 2011-06-28 Energy recovery system having accumulator and variable relief
PCT/US2012/042353 WO2013003049A2 (en) 2011-06-28 2012-06-14 Energy recovery system having accumulator and variable relief

Publications (1)

Publication Number Publication Date
BR112013033632A2 true BR112013033632A2 (pt) 2017-03-14

Family

ID=47389212

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013033632A BR112013033632A2 (pt) 2011-06-28 2012-06-14 sistema de recuperação de energia de giro e método para controlar uma máquina

Country Status (5)

Country Link
US (1) US8776511B2 (pt)
EP (1) EP2726745A4 (pt)
CN (1) CN103732927B (pt)
BR (1) BR112013033632A2 (pt)
WO (1) WO2013003049A2 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9068575B2 (en) 2011-06-28 2015-06-30 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US9139982B2 (en) 2011-06-28 2015-09-22 Caterpillar Inc. Hydraulic control system having swing energy recovery
US8850806B2 (en) 2011-06-28 2014-10-07 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US8919113B2 (en) 2011-06-28 2014-12-30 Caterpillar Inc. Hydraulic control system having energy recovery kit
WO2013115986A1 (en) * 2012-01-31 2013-08-08 Eaton Corporation System and method for maintaining constant loads in hydraulic systems
US20140067092A1 (en) * 2012-08-31 2014-03-06 Caterpillar Inc. Adaptive work cycle control system
US9086081B2 (en) * 2012-08-31 2015-07-21 Caterpillar Inc. Hydraulic control system having swing motor recovery
WO2014069065A1 (ja) * 2012-10-29 2014-05-08 住友重機械工業株式会社 ショベル
CN104812966B (zh) * 2012-10-30 2018-12-21 住友重机械工业株式会社 挖土机
US9290912B2 (en) 2012-10-31 2016-03-22 Caterpillar Inc. Energy recovery system having integrated boom/swing circuits
EP2918734B1 (en) * 2012-11-09 2017-06-28 Sumitomo Heavy Industries, LTD. Shovel
CN105452678A (zh) * 2013-08-05 2016-03-30 住友重机械工业株式会社 挖土机
CN103807223B (zh) * 2014-02-10 2015-10-28 太原理工大学 单液压马达双回路控制***
EP2924231A1 (en) * 2014-03-28 2015-09-30 Siemens Aktiengesellschaft Pressure compensation system
JP6149819B2 (ja) * 2014-07-30 2017-06-21 コベルコ建機株式会社 建設機械の旋回制御装置
US9809958B2 (en) 2015-03-25 2017-11-07 Caterpillar Inc. Engine assist by recovering swing kinetic energy
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***的能量回收***
JP6868166B2 (ja) * 2016-10-03 2021-05-12 Smc株式会社 シリンダの動作状態監視装置
US10273124B2 (en) * 2016-12-15 2019-04-30 Caterpillar Inc. Rotation control system for material handling machines
CN109236480B (zh) * 2017-07-10 2022-04-19 康明斯公司 用于重型发动机的集成辅助空气***
EP3432085B1 (fr) * 2017-07-20 2020-04-15 Meco S.A. Soupape de sécurité pour pièce d'horlogerie
JP6785203B2 (ja) * 2017-09-11 2020-11-18 日立建機株式会社 建設機械
WO2020233793A1 (en) 2019-05-21 2020-11-26 Volvo Construction Equipment Ab A method of controlling a rotatable load, a hydraulic system and a working machine
US11613453B2 (en) 2019-08-29 2023-03-28 The Raymond Corporation Variable hydraulic pressure relief systems and methods for a material handling vehicle
CN112942480B (zh) * 2021-01-29 2022-05-24 徐州徐工挖掘机械有限公司 混合动力工程机械液压***以及混合动力工程机械

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470778A (en) 1946-06-25 1949-05-24 Matthew B Butler Hydraulic system for selfloading trucks
GB889893A (en) 1960-09-02 1962-02-21 Int Harvester Co Improvements in or relating to hydraulic systems
JPS5690159A (en) 1979-12-19 1981-07-22 Komatsu Ltd Controlling circuit for oil-pressure driving mechanism
JPS56131802A (en) 1980-03-17 1981-10-15 Japan Steel Works Ltd:The Oil hydraulic circuit for slewing drive of construction equipment
DE3426354A1 (de) 1983-08-03 1986-01-23 Mannesmann Rexroth GmbH, 8770 Lohr Anordnung zum laden eines druckmittelspeichers
JPS60215103A (ja) 1984-04-10 1985-10-28 Hitachi Constr Mach Co Ltd 油圧回路
JPS6367403A (ja) 1986-09-05 1988-03-26 Komatsu Ltd 慣性体駆動用油圧装置
JPS63167171A (ja) 1986-12-27 1988-07-11 Mazda Motor Corp 油圧式無段変速機
US4757685A (en) 1987-08-24 1988-07-19 Caterpillar Inc. Pressure responsive hydraulic control circuit
JPH07122275B2 (ja) 1988-07-29 1995-12-25 株式会社小松製作所 ブームシリンダの制御回路
JPH07116731B2 (ja) 1989-02-23 1995-12-13 油谷重工株式会社 油圧式建設・作業用機械の油圧回路
JPH0369861A (ja) 1989-08-10 1991-03-26 Hitachi Constr Mach Co Ltd 油圧閉回路
US5197864A (en) 1992-01-16 1993-03-30 Caterpillar Inc. On-off pressure cutoff control for a variable displacement hydraulic pump
JPH05287774A (ja) 1992-04-09 1993-11-02 Komatsu Ltd 油圧式掘削機のエネルギー再生装置
JPH0618670A (ja) 1992-06-30 1994-01-28 Hitachi Medical Corp 放射線検出器
US5575148A (en) 1993-11-30 1996-11-19 Hitachi Construction Machinery Co., Ltd. Hydraulic pump control system
US5630316A (en) 1994-11-16 1997-05-20 Sumitomo Heavy Industries, Ltd. Hydraulic driving apparatus using a bladder-type accumulator with an improved safety
JP3013225B2 (ja) 1995-01-11 2000-02-28 新キャタピラー三菱株式会社 吊り作業制御装置
US5622226A (en) 1996-01-29 1997-04-22 Caterpillar Inc. Method for controlling bounce of a work implement
JP3535300B2 (ja) 1996-02-15 2004-06-07 コベルコ建機株式会社 油圧ショベルの制御装置
US6058343A (en) 1996-07-25 2000-05-02 Case Corporation Threshold current control system for hydraulic valves
JPH10103112A (ja) 1996-09-26 1998-04-21 Daikin Ind Ltd 油圧駆動装置
WO1998024987A1 (fr) 1996-12-03 1998-06-11 Shin Caterpillar Mitsubishi Ltd. Dispositif de commande destine a un engin de construction
JP3705387B2 (ja) 1996-12-26 2005-10-12 株式会社小松製作所 アクチュエータの戻り圧油回収装置
CN1078287C (zh) 1997-06-20 2002-01-23 日立建机株式会社 建筑机械的范围限制挖掘控制装置
US5955706A (en) 1997-11-26 1999-09-21 Caterpillar Inc. Method and apparatus for calculating work cycle times
JP3750841B2 (ja) 1998-11-12 2006-03-01 新キャタピラー三菱株式会社 作業機械における油圧制御装置
US6094911A (en) 1998-12-18 2000-08-01 Caterpillar Inc. Load sensing hydraulic system with high pressure cut-off bypass
JP2000213644A (ja) 1999-01-25 2000-08-02 Kayaba Ind Co Ltd Ｈｓｔ車両のエンスト防止装置
US6406271B1 (en) 1999-05-06 2002-06-18 Ingo Valentin Swashplate type axial-piston pump
EP1167777B1 (en) 1999-12-28 2013-03-06 Kayaba Kogyo Kabushiki Kaisha Signal processor of joystick input device
WO2003091606A1 (fr) * 2002-04-26 2003-11-06 Hitachi Construction Machinery Co., Ltd. Dispositif de commande de deplacement d'un vehicule a entrainement hydraulique, vehicule a entrainement hydraulique et pelle hydraulique sur roues
US6705079B1 (en) 2002-09-25 2004-03-16 Husco International, Inc. Apparatus for controlling bounce of hydraulically powered equipment
JP2004125094A (ja) 2002-10-03 2004-04-22 Komatsu Ltd 作業車両の油圧システム
US6971463B2 (en) 2002-12-23 2005-12-06 Cnh America Llc Energy recovery system for work vehicle including hydraulic drive circuit and method of recovering energy
JP2004347040A (ja) 2003-05-22 2004-12-09 Kobelco Contstruction Machinery Ltd 作業機械の制御装置
JP2005003183A (ja) 2003-06-16 2005-01-06 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 建設機械の油圧回路
JP3985756B2 (ja) 2003-09-05 2007-10-03 コベルコ建機株式会社 建設機械の油圧制御回路
DE10343330A1 (de) 2003-09-11 2005-04-07 Hydac Accessories Gmbh Baukastensystem
US7059126B2 (en) 2003-10-16 2006-06-13 Caterpillar Inc. System for preventing swing wag for a work machine with a boom assembly
US20050081518A1 (en) 2003-10-20 2005-04-21 Pengfei Ma Flow-control apparatus for controlling the swing speed of a boom assembly
PL203380B1 (pl) 2003-11-29 2009-09-30 Tiefenbach Control Sys Gmbh Układ hydrauliczny do obudowy ścian
US7165950B2 (en) 2003-12-15 2007-01-23 Bell Helicopter Textron Inc. Two-stage pressure relief valve
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
US7121189B2 (en) 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
US7124576B2 (en) 2004-10-11 2006-10-24 Deere & Company Hydraulic energy intensifier
US7596893B2 (en) 2005-06-06 2009-10-06 Caterpillar Japan Ltd. Work machine
US7269944B2 (en) 2005-09-30 2007-09-18 Caterpillar Inc. Hydraulic system for recovering potential energy
US7260931B2 (en) 2005-11-28 2007-08-28 Caterpillar Inc. Multi-actuator pressure-based flow control system
US7296404B2 (en) 2005-12-12 2007-11-20 Husco International Inc. Apparatus for controlling deceleration of hydraulically powered equipment
JP2008075568A (ja) 2006-09-21 2008-04-03 Shin Caterpillar Mitsubishi Ltd 回転斜板式ピストンポンプのバレル
US7487707B2 (en) 2006-09-27 2009-02-10 Husco International, Inc. Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve
US7979181B2 (en) 2006-10-19 2011-07-12 Caterpillar Inc. Velocity based control process for a machine digging cycle
US7823379B2 (en) 2006-11-14 2010-11-02 Husco International, Inc. Energy recovery and reuse methods for a hydraulic system
DE102006060334B4 (de) 2006-12-20 2011-08-25 Sauer-Danfoss Aps Hydraulische Ventilanordnung
KR101005060B1 (ko) 2007-07-30 2010-12-30 볼보 컨스트럭션 이큅먼트 에이비 가변 제어장치를 갖는 중장비용 유압회로
DE202007011783U1 (de) 2007-08-23 2008-12-24 Liebherr-France Sas, Colmar Hydraulikantrieb insbesondere eines Baggers insbesondere für ein Drehwerk
US7748279B2 (en) 2007-09-28 2010-07-06 Caterpillar Inc Hydraulics management for bounded implements
JP4979014B2 (ja) 2007-09-28 2012-07-18 キャタピラー エス エー アール エル 油圧ショベルにおける旋回ポンプの制御システム
US7908852B2 (en) 2008-02-28 2011-03-22 Caterpillar Inc. Control system for recovering swing motor kinetic energy
US7934329B2 (en) 2008-02-29 2011-05-03 Caterpillar Inc. Semi-autonomous excavation control system
US8156048B2 (en) 2008-03-07 2012-04-10 Caterpillar Inc. Adaptive payload monitoring system
WO2009124745A1 (de) 2008-04-11 2009-10-15 Robert Bosch Gmbh Strömungsoptimierte zylindertrommel für hydrostatische kolbenmaschinen
JP5240843B2 (ja) 2008-10-29 2013-07-17 キャタピラー エス エー アール エル 建設機械における作業判定システム
JP2010203036A (ja) 2009-02-27 2010-09-16 Caterpillar Japan Ltd 作業機械用駆動回路および作業機械
DE102009021104A1 (de) * 2009-05-13 2010-11-18 Hydac Filtertechnik Gmbh Hydraulische Anlage
US9068575B2 (en) 2011-06-28 2015-06-30 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US8919113B2 (en) 2011-06-28 2014-12-30 Caterpillar Inc. Hydraulic control system having energy recovery kit
US8850806B2 (en) * 2011-06-28 2014-10-07 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US9139982B2 (en) 2011-06-28 2015-09-22 Caterpillar Inc. Hydraulic control system having swing energy recovery

Also Published As

Publication number Publication date
US20130000290A1 (en) 2013-01-03
US8776511B2 (en) 2014-07-15
WO2013003049A2 (en) 2013-01-03
WO2013003049A3 (en) 2013-02-28
CN103732927A (zh) 2014-04-16
EP2726745A2 (en) 2014-05-07
EP2726745A4 (en) 2015-03-18
CN103732927B (zh) 2016-03-23

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