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1. 发明授权

US08919113B2 Hydraulic control system having energy recovery kit 有权
标题翻译：具有能量回收套件的液压控制系统
公开(公告)号：US08919113B2
公开(公告)日：2014-12-30
申请号：US13170960
申请日：2011-06-28
申请人： Pengfei Ma , Jiao Zhang , Tonglin Shang , Peter Spring , Dayao Chen , Salik A. Syed , John Ferraz, Jr. , Randal N. Peterson
发明人： Pengfei Ma , Jiao Zhang , Tonglin Shang , Peter Spring , Dayao Chen , Salik A. Syed , John Ferraz, Jr. , Randal N. Peterson
IPC分类号： F16D31/02 , E02F9/22 , E02F9/12 , F15B21/14 , F15B1/02
CPC分类号： F15B1/024 , E02F9/123 , E02F9/2217 , E02F9/2296 , F15B1/02 , F15B1/04 , F15B21/14 , F15B2201/60 , F15B2211/212 , F15B2211/30575 , F15B2211/50527 , F15B2211/613 , F15B2211/7058 , F15B2211/88 , Y10T29/49716 , Y10T29/4973 , Y10T29/49821 , Y10T29/49904
摘要： An energy recovery retrofit kit for a hydraulic control system is disclosed. The energy recover retrofit kit may have a first accumulator and a second accumulator. The energy recover retrofit kit may also have a recovery valve block fluidly connectable between an existing pump and an existing motor of the hydraulic system. The recovery valve block may be configured to selectively fluidly communicate the first and second accumulators with the existing motor.
摘要翻译：公开了一种用于液压控制系统的能量回收改造套件。能量回收改造套件可以具有第一蓄能器和第二蓄能器。能量回收改造套件还可以具有在现有泵和液压系统的现有电动机之间可流体连接的回收阀块。回收阀块可以被配置为选择性地使第一和第二蓄能器与现有的马达流体连通。

2. 发明授权

US09279236B2 Electro-hydraulic system for recovering and reusing potential energy 有权
标题翻译：用于回收和再利用势能的电液系统
公开(公告)号：US09279236B2
公开(公告)日：2016-03-08
申请号：US13487983
申请日：2012-06-04
申请人： Jiao Zhang , Pengfei Ma , Tonglin Shang , Gang Victor Wen , Bryan Edward Nelson , Dayao Chen
发明人： Jiao Zhang , Pengfei Ma , Tonglin Shang , Gang Victor Wen , Bryan Edward Nelson , Dayao Chen
IPC分类号： F15B13/00 , E02F9/22 , F15B21/14 , F15B1/033
CPC分类号： E02F9/2217 , E02F9/2292 , E02F9/2296 , F15B1/033 , F15B21/14 , F15B2211/20507 , F15B2211/20546 , F15B2211/20569 , F15B2211/20576 , F15B2211/212 , F15B2211/214 , F15B2211/30575 , F15B2211/3058 , F15B2211/6306 , F15B2211/6336 , F15B2211/6343 , F15B2211/6346 , F15B2211/7053 , F15B2211/7128 , F15B2211/761 , F15B2211/88
摘要： A hydraulic system includes a hydraulic actuator, a pump configured to supply fluid to the hydraulic actuator, and a first accumulator fluidly connected to the hydraulic actuator. The first accumulator is configured to store fluid received from the hydraulic actuator. The hydraulic system also includes a motor drivingly connected to the pump and fluidly connected to the first accumulator. The motor is configured to receive the stored fluid from the first accumulator to drive the pump. The hydraulic system further includes a first discharge valve fluidly connected between the first accumulator and the hydraulic actuator. The first discharge valve is configured to supply the stored fluid from the first accumulator to the hydraulic actuator without the stored fluid from the first accumulator circulating through the pump.
摘要翻译：液压系统包括液压致动器，构造成向液压致动器供应流体的泵以及与液压致动器流体连接的第一蓄能器。第一蓄能器构造成存储从液压致动器接收的流体。液压系统还包括驱动地连接到泵并且流体地连接到第一蓄能器的马达。电动机被配置为从第一蓄能器接收存储的流体以驱动泵。液压系统还包括流体连接在第一蓄能器和液压致动器之间的第一排放阀。第一排放阀构造成将储存的流体从第一蓄能器提供给液压致动器，而不存储来自第一蓄能器的流体循环通过泵。

3. 发明授权

US08776511B2 Energy recovery system having accumulator and variable relief 有权
标题翻译：具有蓄能器和可变浮力的能量回收系统
公开(公告)号：US08776511B2
公开(公告)日：2014-07-15
申请号：US13171146
申请日：2011-06-28
申请人： Jiao Zhang , Dayao Chen , Pengfei Ma , Tonglin Shang , Lawrence J. Tognetti , Jeffrey L. Kuehn
发明人： Jiao Zhang , Dayao Chen , Pengfei Ma , Tonglin Shang , Lawrence J. Tognetti , Jeffrey L. Kuehn
IPC分类号： G09F19/08 , G09F19/00 , G04B45/00 , G09F11/02
CPC分类号： E02F9/123 , E02F9/2217 , E02F9/2296 , F15B21/14 , F15B2211/20546 , F15B2211/212 , F15B2211/30575 , F15B2211/50527 , F15B2211/7058 , F15B2211/88
摘要： A swing energy recovery system for a machine is disclosed. The swing energy recovery system may have a pump configured to pressurize fluid, a motor driven by a flow of pressurized fluid from the pump, and an energy recovery arrangement configured to receive pressurized fluid discharged from the motor and selectively supply pressurized fluid to the motor. The swing energy recovery system may also have a pressure relief valve associated with the motor, and a controller in communication with the energy recovery arrangement and the pressure relief valve. The controller may be configured to selectively adjust a setting of the pressure relief valve based on an operating condition of the energy recovery arrangement.
摘要翻译：公开了一种用于机器的摆动能量回收系统。回转能量回收系统可以具有构造成对流体加压的泵，由来自泵的加压流体流驱动的马达，以及配置成接收从马达排出的加压流体并选择性地将加压流体供应到马达的能量回收装置。回转能量回收系统还可以具有与电动机相关联的减压阀，以及与能量回收装置和减压阀连通的控制器。控制器可以被配置为基于能量回收装置的操作条件来选择性地调节压力释放阀的设定。

4. 发明申请

US20130318955A1 ELECTRO-HYDRAULIC SYSTEM FOR RECOVERING AND REUSING POTENTIAL ENERGY 有权
标题翻译：用于恢复和重新调节潜能的电液系统
公开(公告)号：US20130318955A1
公开(公告)日：2013-12-05
申请号：US13487983
申请日：2012-06-04
申请人： Jiao ZHANG , Pengfei Ma , Tonglin Shang , Gang Victor Wen , Bryan Edward Nelson , Dayao Chen
发明人： Jiao ZHANG , Pengfei Ma , Tonglin Shang , Gang Victor Wen , Bryan Edward Nelson , Dayao Chen
IPC分类号： F15B13/00
CPC分类号： E02F9/2217 , E02F9/2292 , E02F9/2296 , F15B1/033 , F15B21/14 , F15B2211/20507 , F15B2211/20546 , F15B2211/20569 , F15B2211/20576 , F15B2211/212 , F15B2211/214 , F15B2211/30575 , F15B2211/3058 , F15B2211/6306 , F15B2211/6336 , F15B2211/6343 , F15B2211/6346 , F15B2211/7053 , F15B2211/7128 , F15B2211/761 , F15B2211/88
摘要： A hydraulic system includes a hydraulic actuator, a pump configured to supply fluid to the hydraulic actuator, and a first accumulator fluidly connected to the hydraulic actuator. The first accumulator is configured to store fluid received from the hydraulic actuator. The hydraulic system also includes a motor drivingly connected to the pump and fluidly connected to the first accumulator. The motor is configured to receive the stored fluid from the first accumulator to drive the pump. The hydraulic system further includes a first discharge valve fluidly connected between the first accumulator and the hydraulic actuator. The first discharge valve is configured to supply the stored fluid from the first accumulator to the hydraulic actuator without the stored fluid from the first accumulator circulating through the pump.
摘要翻译：液压系统包括液压致动器，构造成向液压致动器供应流体的泵以及与液压致动器流体连接的第一蓄能器。第一蓄能器构造成存储从液压致动器接收的流体。液压系统还包括驱动地连接到泵并且流体地连接到第一蓄能器的马达。电动机被配置为从第一蓄能器接收存储的流体以驱动泵。液压系统还包括流体连接在第一蓄能器和液压致动器之间的第一排放阀。第一排放阀被配置为将存储的流体从第一蓄能器供应到液压致动器，而没有来自第一蓄能器的储存流体循环通过泵。

5. 发明申请

US20130000290A1 ENERGY RECOVERY SYSTEM HAVING ACCUMULATOR AND VARIABLE RELIEF 有权
标题翻译：具有蓄能器和可变救援的能源回收系统
公开(公告)号：US20130000290A1
公开(公告)日：2013-01-03
申请号：US13171146
申请日：2011-06-28
申请人： Jiao ZHANG , Dayao Chen , Pengfei Ma , Tonglin Shang , Lawrence J. Tognetti , Jeffrey L. Kuehn
发明人： Jiao ZHANG , Dayao Chen , Pengfei Ma , Tonglin Shang , Lawrence J. Tognetti , Jeffrey L. Kuehn
IPC分类号： F16D31/02
CPC分类号： E02F9/123 , E02F9/2217 , E02F9/2296 , F15B21/14 , F15B2211/20546 , F15B2211/212 , F15B2211/30575 , F15B2211/50527 , F15B2211/7058 , F15B2211/88
摘要： A swing energy recovery system for a machine is disclosed. The swing energy recovery system may have a pump configured to pressurize fluid, a motor driven by a flow of pressurized fluid from the pump, and an energy recovery arrangement configured to receive pressurized fluid discharged from the motor and selectively supply pressurized fluid to the motor. The swing energy recovery system may also have a pressure relief valve associated with the motor, and a controller in communication with the energy recovery arrangement and the pressure relief valve. The controller may be configured to selectively adjust a setting of the pressure relief valve based on an operating condition of the energy recovery arrangement.
摘要翻译：公开了一种用于机器的摆动能量回收系统。回转能量回收系统可以具有构造成对流体加压的泵，由来自泵的加压流体流驱动的马达，以及配置成接收从马达排出的加压流体并选择性地将加压流体供应到马达的能量回收装置。回转能量回收系统还可以具有与电动机相关联的减压阀，以及与能量回收装置和减压阀连通的控制器。控制器可以被配置为基于能量回收装置的操作条件来选择性地调节压力释放阀的设定。

6. 发明授权

US09139982B2 Hydraulic control system having swing energy recovery 有权
标题翻译：具有摆动能量回收的液压控制系统
公开(公告)号：US09139982B2
公开(公告)日：2015-09-22
申请号：US13171007
申请日：2011-06-28
申请人： Pengfei Ma , Jiao Zhang , Dayao Chen , Tonglin Shang
发明人： Pengfei Ma , Jiao Zhang , Dayao Chen , Tonglin Shang
IPC分类号： F15B1/02 , E02F9/22 , E02F9/12 , F15B21/14
CPC分类号： E02F9/2217 , E02F9/123 , E02F9/2296 , F15B1/024 , F15B21/14 , F15B2211/212 , F15B2211/6306 , F15B2211/6313 , F15B2211/665 , F15B2211/6653 , F15B2211/6658 , F15B2211/7058 , F15B2211/8609 , F15B2211/88
摘要： A hydraulic control system for a machine is disclosed. The hydraulic control system may have a pump configured to pressurize fluid, and a motor driven by a flow of pressurized fluid from the pump. The hydraulic control system may also have a first accumulator configured to receive pressurized fluid discharged from the motor and to selectively supply pressurized fluid to the motor, and a second accumulator configured to receive pressurized fluid discharged from the motor and selectively supply pressurized fluid to the motor.
摘要翻译：公开了一种用于机器的液压控制系统。液压控制系统可以具有构造成对流体加压的泵和由来自泵的加压流体流驱动的马达。液压控制系统还可以具有第一储存器，其被配置为接收从马达排出的加压流体并且选择性地将加压流体供应到马达，以及第二储存器，其构造成接收从马达排出的加压流体并且选择性地将加压流体供应到马达。

7. 发明申请

US20140060018A1 HYDRAULIC CONTROL SYSTEM 审中-公开
标题翻译：液压控制系统
公开(公告)号：US20140060018A1
公开(公告)日：2014-03-06
申请号：US13599537
申请日：2012-08-30
申请人： Pengfei Ma , Randal Neil Peterson , Jiao Zhang , Dayao Chen , Tonglin Shang
发明人： Pengfei Ma , Randal Neil Peterson , Jiao Zhang , Dayao Chen , Tonglin Shang
IPC分类号： F16D31/02
CPC分类号： E02F9/2217 , E02F9/123 , E02F9/2296 , F15B1/024 , F15B21/14 , F15B2211/20546 , F15B2211/212 , F15B2211/6306 , F15B2211/6313 , F15B2211/6336 , F15B2211/665 , F15B2211/6652 , F15B2211/6658 , F15B2211/7058 , F15B2211/75 , F15B2211/763 , F15B2211/88
摘要： A hydraulic control system includes an implement movable to perform an excavation cycle having a plurality of segments, a variable displacement motor configured to swing the implement at a desired speed during the excavation cycle, and a pump configured to pressurize fluid directed to drive the motor. The system further includes an accumulator configured to selectively receive fluid discharged from the motor via a charge valve, and to discharge fluid to the motor via a discharge valve. The system includes a selector valve fluidly connected to the charge valve and the discharge valve. The system also includes a controller configured to vary displacement of the motor, resulting in the desired speed.
摘要翻译：液压控制系统包括可移动以执行具有多个段的挖掘循环的工具;可变排量马达，其构造成在挖掘循环期间以期望的速度摆动工具;以及泵，构造成对被引导以驱动马达的流体加压。该系统还包括蓄电池，该蓄电池构造成选择性地接收经由充电阀从电动机排放的流体，并且经由排放阀将流体排放到电动机。该系统包括与充气阀和排出阀流体连接的选择阀。该系统还包括控制器，该控制器被配置为改变电动机的位移，产生所需的速度。

8. 发明申请

US20130247999A1 HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION 有权
公开(公告)号：US20130247999A1
公开(公告)日：2013-09-26
申请号：US13427072
申请日：2012-03-22
申请人： Dayao Chen , Pengfei Ma , Tonglin Shang , Bryan J. Hilman
发明人： Dayao Chen , Pengfei Ma , Tonglin Shang , Bryan J. Hilman
IPC分类号： F17D3/00 , F17D1/16 , F16L55/04
CPC分类号： F15B1/08 , F15B19/005 , F15B2201/205 , F15B2201/51 , G01M3/02 , G01N3/32 , Y10T137/0396 , Y10T137/86389
摘要： A system including a hydraulic accumulator, a pressure sensor, a fluid source and a data processor to detect a pre-charge pressure is provided. The hydraulic accumulator includes first and second fluid chambers and a separator therebetween. The hydraulic accumulator has an associated pre-charge pressure. The pressure sensor is connected to the first fluid chamber. The data processor is connected to the pressure sensor. The data processor is configured to determine a first and second rate of pressure changes, and a transition pressure between the first and second rates. The approximate pre-charge pressure is determined based on the transition pressure.

9. 发明授权

US09366269B2 Hydraulic accumulator health diagnosis 有权
标题翻译：液压蓄能器健康诊断
公开(公告)号：US09366269B2
公开(公告)日：2016-06-14
申请号：US13427095
申请日：2012-03-22
申请人： Dayao Chen , Pengfei Ma , Tonglin Shang , Bryan J. Hillman
发明人： Dayao Chen , Pengfei Ma , Tonglin Shang , Bryan J. Hillman
IPC分类号： G01F17/00 , G01M3/02 , F15B1/033
CPC分类号： F15B1/033 , F15B2201/505 , F15B2201/51
摘要： A system to diagnose a health of a hydraulic accumulator is provided. The hydraulic accumulator includes a first fluid chamber, a second fluid chamber, and a separator. The hydraulic accumulator has an associated pre-charge pressure. The system further includes a pressure sensor, a fluid source, a data processor, and a comparator. The pressure sensor and the fluid source are connected to the first fluid chamber. The data processor is configured to determine a first and second rate of pressure changes, and a transition pressure between the first and second rates. The approximate pre-charge pressure is determined based on the transition pressure. The comparator is configured to compare at least one of the determined pre charge pressure and the frictional forces with a pre-determined threshold range of pre-charge pressure and the frictional forces associated with the hydraulic accumulator to diagnose the health of the hydraulic accumulator.
摘要翻译：提供了一种用于诊断液压蓄能器健康的系统。液压蓄能器包括第一流体室，第二流体室和分离器。液压蓄能器具有相关的预充压力。该系统还包括压力传感器，流体源，数据处理器和比较器。压力传感器和流体源连接到第一流体室。数据处理器被配置为确定压力变化的第一和第二速率以及第一和第二速率之间的过渡压力。基于过渡压力确定近似预充压力。比较器被配置为将所确定的预充气压力和摩擦力中的至少一个与预充压力的预定阈值范围和与液压蓄能器相关联的摩擦力进行比较，以诊断液压蓄能器的健康状况。

10. 发明授权

US08833143B2 Hydraulic accumulator pre-charge pressure detection 有权
标题翻译：液压蓄能器预充压力检测
公开(公告)号：US08833143B2
公开(公告)日：2014-09-16
申请号：US13427072
申请日：2012-03-22
申请人： Dayao Chen , Pengfei Ma , Tonglin Shang , Bryan J. Hillman
发明人： Dayao Chen , Pengfei Ma , Tonglin Shang , Bryan J. Hillman
IPC分类号： G01M3/02 , G01N3/32
CPC分类号： F15B1/08 , F15B19/005 , F15B2201/205 , F15B2201/51 , G01M3/02 , G01N3/32 , Y10T137/0396 , Y10T137/86389
摘要： A system including a hydraulic accumulator, a pressure sensor, a fluid source and a data processor to detect a pre-charge pressure is provided. The hydraulic accumulator includes first and second fluid chambers and a separator therebetween. The hydraulic accumulator has an associated pre-charge pressure. The pressure sensor is connected to the first fluid chamber. The data processor is connected to the pressure sensor. The data processor is configured to determine a first and second rate of pressure changes, and a transition pressure between the first and second rates. The approximate pre-charge pressure is determined based on the transition pressure.
摘要翻译：提供一种包括液压蓄能器，压力传感器，流体源和数据处理器以检测预充气压力的系统。液压蓄能器包括第一和第二流体室和它们之间的分离器。液压蓄能器具有相关的预充压力。压力传感器连接到第一流体室。数据处理器连接到压力传感器。数据处理器被配置为确定压力变化的第一和第二速率以及第一和第二速率之间的过渡压力。基于过渡压力确定近似预充压力。

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