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1. 发明申请

WO2013003049A2 ENERGY RECOVERY SYSTEM HAVING ACCUMULATOR AND VARIABLE RELIEF 审中-公开
标题翻译：具有蓄能器和可变排量的能量回收系统
公开(公告)号：WO2013003049A2
公开(公告)日：2013-01-03
申请号：PCT/US2012/042353
申请日：2012-06-14
申请人： CATERPILLAR INC. , ZHANG, Jiao , CHEN, Dayao , MA, Pengfei , SHANG, Tonglin , TOGNETTI, Lawrence , KUEHN, Jeffrey
发明人： ZHANG, Jiao , CHEN, Dayao , MA, Pengfei , SHANG, Tonglin , TOGNETTI, Lawrence , KUEHN, Jeffrey
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 (50) for a machine (10) is disclosed. The swing energy recovery system may have a pump (58) configured to pressurize fluid, a motor (49) driven by a flow of pressurized fluid from the pump, and an energy recovery arrangement (104) configured to receive pressurized fluid discharged from the motor and selectively supply pressurized fluid to the motor. A selector valve (120), a charge valve (122), and a discharge valve (124) can be selectively used for charging and discharging at least one accumulator (108, 110). The swing energy recovery system may also have a pressure relief valve (146) associated with the motor, and a controller (100) 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：公开了用于机器（10）的摆动能量回收系统（50）。摆动能量回收系统可以具有构造成对流体加压的泵（58），由来自泵的加压流体流驱动的马达（49）以及构造成接收从马达排出的加压流体的能量回收装置（104）并选择性地向马达供应加压流体。选择阀（120），充气阀（122）和排气阀（124）可以选择性地用于对至少一个蓄能器（108,110）进行充电和排放。摆动能量回收系统还可以具有与马达相关联的溢流阀（146）以及与能量回收装置和溢流阀连通的控制器（100）。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卸压阀的设置。

2. 发明申请

WO2013003050A3 HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY KIT 审中-公开
公开(公告)号：WO2013003050A3
公开(公告)日：2013-01-03
申请号：PCT/US2012/042354
申请日：2012-06-14
申请人： CATERPILLAR INC. , MA, Pengfei , ZHANG, Jiao , SHANG, Tonglin , SPRING, Peter , CHEN, Dayao , SYED, Salik , FERRAZ, John , PETERSON, Randal
发明人： MA, Pengfei , ZHANG, Jiao , SHANG, Tonglin , SPRING, Peter , CHEN, Dayao , SYED, Salik , FERRAZ, John , PETERSON, Randal
IPC分类号： F15B21/14 , F15B15/18 , E02F9/22 , F15B13/043
摘要： An energy recovery retrofit kit for a hydraulic control system (50) is disclosed. The energy recover retrofit kit may have at least one of a first accumulator (108) and a second accumulator (110). The energy recover retrofit kit may also have a recovery valve block (106) fluidly connectable between an existing pump (58) and an existing motor (49) of the hydraulic control system. The recovery valve block may be configured to selectively fluidly communicate at least one of the first and second accumulators with the existing motor.

3. 发明申请

WO2013003048A2 HYDRAULIC CONTROL SYSTEM HAVING SWING ENERGY RECOVERY 审中-公开
标题翻译：具有振动能量回收的液压控制系统
公开(公告)号：WO2013003048A2
公开(公告)日：2013-01-03
申请号：PCT/US2012/042352
申请日：2012-06-14
申请人： CATERPILLAR INC. , MA, Pengfei , ZHANG, Jiao , CHEN, Dayao , SHANG, Tonglin
发明人： MA, Pengfei , ZHANG, Jiao , CHEN, Dayao , SHANG, Tonglin
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 (50) for a machine (10) is disclosed. The hydraulic control system may have a pump (58) configured to pressurize fluid, and a motor (49) driven by a flow of pressurized fluid from the pump. The hydraulic control system may also have a first accumulator (108) configured to receive pressurized fluid discharged from the motor and to selectively supply pressurized fluid to the motor, and a second accumulator (110) 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（10）的液压控制系统（50）。液压控制系统可以具有被配置为对流体加压的泵（58）和由来自泵的加压流体流驱动的马达（49）。液压控制系统还可以具有构造成接收从电动机排出的加压流体并且选择性地向电动机供应加压流体的第一蓄能器（108），以及构造成接收从电动机排出的加压流体并选择性地向马达供应加压流体。

4. 发明申请

WO2010098968A1 HYDROSTATIC ASSEMBLY HAVING COUPLED YOKES 审中-公开
标题翻译：具有连接的YOKES的水上装配
公开(公告)号：WO2010098968A1
公开(公告)日：2010-09-02
申请号：PCT/US2010/023449
申请日：2010-02-08
申请人： DYCK, Gerald , CZEPAK, John , CALDARELLA, Francesco , CHEN, Dayao , BRATT, Stig , PARKER HANNIFIN CORPORATION
发明人： DYCK, Gerald , CZEPAK, John , CALDARELLA, Francesco , CHEN, Dayao , BRATT, Stig
IPC分类号： F16H39/14 , F16H61/423 , F16H61/433 , F04B1/32
CPC分类号： F16H61/423 , F16H39/08 , F16H61/433 , F16H2039/005
摘要： A hydrostatic assembly includes a pump having a yoke and an associated rotating group. The pump yoke has a bucket portion and an arm portion. At least one fluid passage extends through the pump yoke. The hydrostatic assembly also includes a motor having a yoke and an associated rotating group. The motor yoke also has a bucket portion and an arm portion. At least one fluid passage extends through the motor yoke. The arm portion of the pump yoke and the arm portion of the motor yoke have associated coupling portions for fluidly coupling the pump yoke to the motor yoke so that the at least one fluid passage in the pump yoke is in direct fluid communication with the at least one fluid passage in the motor yoke.
摘要翻译：静压组件包括具有轭和相关联的旋转组的泵。泵轭具有铲斗部分和臂部分。至少一个流体通道延伸穿过泵轭。静压组件还包括具有轭和相关联的旋转组的电动机。马达轭也具有铲斗部分和臂部分。至少一个流体通道延伸穿过马达轭。泵轭的臂部分和电动机轭的臂部分具有相关联的联接部分，用于将泵轭流体耦合到电动机轭，使得泵轭中的至少一个流体通道与至少一个电机轭中的一个流体通道。

5. 发明申请

WO2015130518A1 IMPLEMENT SYSTEM HAVING HYDRAULIC START ASSIST 审中-公开
标题翻译：具有液压启动辅助装置的执行系统
公开(公告)号：WO2015130518A1
公开(公告)日：2015-09-03
申请号：PCT/US2015/016249
申请日：2015-02-18
申请人： CATERPILLAR INC.
发明人： MORRIS, Emily Anne , PETERSON, Jeremy Todd , KUEHN, Jeffrey Lee , CHEN, Dayao , MA, Pengfei
IPC分类号： E02F9/22 , E02F9/02
CPC分类号： F15B1/024 , B60K2006/126 , E02F3/425 , E02F9/2217 , F02N7/08 , F02N11/00 , F02N2300/2002 , F04B17/05 , F04B35/002 , F15B21/14 , F15B2211/20523 , F15B2211/20546 , F15B2211/212 , F15B2211/7053 , F15B2211/7058 , F15B2211/7135 , F15B2211/851 , F15B2211/853
摘要： An implement system (14) is disclosed for use with a machine (10) having an engine (59). The implement system may have a pump (58) driven by the engine, a first actuator (49) configured to receive pressurized fluid from the pump during operation of the engine, and at least a second actuator (28, 36, 38) configure to receive pressurized fluid from the pump during operation of the engine. The implement system may also have an accumulator (108) configured to receive pressurized fluid from the first actuator during operation of the engine, and to discharge fluid to the first actuator and to the at least a second actuator when the engine is shut down.
摘要翻译：公开了一种与具有发动机（59）的机器（10）一起使用的工具系统（14）。工具系统可以具有由发动机驱动的泵（58），第一致动器（49）构造成在发动机操作期间从泵接收加压流体，并且至少第二致动器（28,36,38）配置为在发动机运行期间从泵接收加压流体。工具系统还可以具有蓄能器（108），其构造成在发动机操作期间从第一致动器接收加压流体，并且在发动机关闭时将流体排放到第一致动器和至少第二致动器。

6. 发明申请

WO2016040484A1 MACHINE HAVING HYDRAULIC START ASSIST SYSTEM 审中-公开
标题翻译：具有液压启动辅助系统的机器
公开(公告)号：WO2016040484A1
公开(公告)日：2016-03-17
申请号：PCT/US2015/049187
申请日：2015-09-09
申请人： CATERPILLAR INC.
发明人： MORRIS, Emily Anne , PETERSON, Jeremy Todd , KUEHN, Jeffrey Lee , CHEN, Dayao , MA, Pengfei
IPC分类号： F15B11/04 , F15B15/08 , F15B1/04 , F15B21/14 , E02F9/24 , E02F9/14 , E02F9/20
CPC分类号： E02F9/2246 , E02F9/2066 , E02F9/2217 , E02F9/2296 , F02N7/08 , F02N11/00 , F02N11/0814 , F02N2300/2002 , F15B2211/20523 , F15B2211/212 , F15B2211/88
摘要： A hydraulic system (14) is disclosed for assisting starting of a machine (10) having an engine (59). The hydraulic system may include a work tool (16), a pump (58) driven by the engine to pressurize fluid, and an actuator (49) configured to receive pressurized fluid from the pump and move the work tool. The hydraulic system may also include an accumulator (108) configured to selectively receive pressurized fluid from the pump and from the actuator, an electric starter (274) configured to start the engine, and a motor (241) selectively supplied with fluid from the accumulator to assist the electric starter in starting the engine.
摘要翻译：公开了一种用于辅助起动具有发动机（59）的机器（10）的液压系统（14）。液压系统可以包括工作工具（16），由发动机驱动以对流体加压的泵（58）和构造成从泵接收加压流体并移动作业工具的致动器（49）。液压系统还可以包括蓄能器（108），其构造成选择性地接收来自泵和来自致动器的加压流体，构造成启动发动机的电启动器（274）和选择性地从蓄能器供应流体的马达（241）以协助电动起动器启动发动机。

7. 发明申请

WO2015130517A1 MACHINE HAVING HYDRAULIC START ASSIST SYSTEM 审中-公开
标题翻译：具有液压启动辅助系统的机器
公开(公告)号：WO2015130517A1
公开(公告)日：2015-09-03
申请号：PCT/US2015/016245
申请日：2015-02-18
申请人： CATERPILLAR INC.
发明人： MORRIS, Emily Anne , PETERSON, Jeremy Todd , KUEHN, Jeffrey Lee , CHEN, Dayao , MA, Pengfei
IPC分类号： E02F9/22 , E02F9/02
CPC分类号： F15B1/024 , B60K2006/126 , E02F3/425 , E02F9/2217 , F02N7/08 , F02N11/00 , F02N2300/2002 , F04B17/05 , F04B35/002 , F15B21/14 , F15B2211/20523 , F15B2211/20546 , F15B2211/212 , F15B2211/7053 , F15B2211/7058 , F15B2211/7135 , F15B2211/851 , F15B2211/853
摘要： A hydraulic system (14) is disclosed for assisting starting of a machine (10) having an engine (59). The hydraulic system may include a work tool (16), a pump (58) driven by the engine to pressurize fluid, and an actuator (49) configured to receive pressurized fluid from the pump and move the work tool. The hydraulic system may also include an accumulator (108) configured to selectively receive pressurized fluid from the pump and from the actuator, an electric starter (274) configured to start the engine, and a motor (241) selectively supplied with fluid from the accumulator to assist the electric starter in starting the engine.
摘要翻译：公开了一种用于辅助起动具有发动机（59）的机器（10）的液压系统（14）。液压系统可以包括工作工具（16），由发动机驱动以对流体加压的泵（58）和构造成从泵接收加压流体并移动作业工具的致动器（49）。液压系统还可以包括蓄能器（108），其构造成选择性地接收来自泵和来自致动器的加压流体，构造成启动发动机的电启动器（274）和选择性地从蓄能器供应流体的马达（241）以协助电动起动器启动发动机。

8. 发明申请

WO2013142541A2 HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION 审中-公开
标题翻译：液压蓄能器预充气压力检测
公开(公告)号：WO2013142541A2
公开(公告)日：2013-09-26
申请号：PCT/US2013/033040
申请日：2013-03-20
申请人： CATERPILLAR INC.
发明人： CHEN, Dayao , MA, Pengfei , SHANG, Tonglin , HILLMAN, Bryan, J
IPC分类号： F15B1/10 , F15B1/04
CPC分类号： F15B1/08 , F15B19/005 , F15B2201/31 , F15B2201/505 , F15B2201/51
摘要： A system (100) including a hydraulic accumulator (102), a pressure sensor (104), a fluid source (106) and a data processor (108) to detect a pre- charge pressure is provided. The hydraulic accumulator (102) includes first and second chambers (302, 304) and a separator (306) therebetween. The hydraulic accumulator (102) has an associated pre-charge pressure. The pressure sensor (104) coupled to the first chamber (302). The data processor (108) is configured to receive pressure readings from the pressure sensor (104). The data processor (108) 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（102），压力传感器（104），流体源（106）和数据处理器（108）以检测预充气压力的系统（100）。液压蓄能器（102）包括第一和第二腔室（302,304）和它们之间的分离器（306）。液压蓄能器（102）具有相关联的预充压力。耦合到第一室（302）的压力传感器（104）。数据处理器（108）被配置为从压力传感器（104）接收压力读数。数据处理器（108）被配置为确定第一和第二压力变化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气压力。

9. 发明申请

WO2016153631A1 ENGINE ASSIST BY RECOVERING SWING KINETIC ENERGY 审中-公开
标题翻译：发动机辅助通过恢复动力学能量
公开(公告)号：WO2016153631A1
公开(公告)日：2016-09-29
申请号：PCT/US2016/018012
申请日：2016-02-16
申请人： CATERPILLAR INC.
发明人： SHANG, Tonglin , CHEN, Dayao , MA, Pengfei
IPC分类号： E02F9/22 , F15B1/02
CPC分类号： E02F9/2217 , E02F9/123 , E02F9/128 , E02F9/2066 , E02F9/2228 , E02F9/2235 , E02F9/2292 , E02F9/2296 , F15B11/161 , F15B11/17 , F15B13/06 , F15B21/14 , F15B2211/20507 , F15B2211/212 , F15B2211/30575 , F15B2211/7058 , F15B2211/7142 , F15B2211/88
摘要： An energy recovery system (114) for a machine (10) having a movable work tool (16), a swing motor (49) to swing the work tool (16) about a vertical axis (46), a pump (58) providing pressurized fluid to the swing motor (49), a power source (88) outputting power to drive the pump (58), and a controller (110). The energy recovery system (114) may include a first accumulator (118), a swing charge valve (128) selectively connecting the swing motor (49) to the first accumulator (118), an assist motor (132) operatively connected to the power source (88), and a discharge valve (130) selectively connecting the first accumulator (118) to the assist motor (132). The swing charge valve (128) may fluidly connect the swing motor (49) to the first accumulator (118) when fluid pressure from the swing motor (49) is greater than a charge set pressure. The controller (110) may cause the discharge valve (130) to fluidly connect the first accumulator (118) with the assist motor (132) when the power demand on the power source (88) is greater than a minimum assisted power demand.
摘要翻译：一种用于具有可移动工作工具（16）的机器（10）的能量回收系统（114），围绕垂直轴线（46）摆动工作工具（16）的回转马达（49），提供加压流体到摆动马达（49），输出动力以驱动泵（58）的动力源（88）和控制器（110）。能量回收系统（114）可以包括第一蓄能器（118），有选择地将回转马达（49）连接到第一蓄能器（118）的摆动充气阀（128），可操作地连接到动力源极（88）和选择性地将第一蓄能器（118）连接到辅助马达（132）的排出阀（130）。当来自回转马达（49）的流体压力大于充电设定压力时，摆动充气阀（128）可以将回转马达（49）流体地连接到第一储液器（118）。当电源（88）的电力需求大于最小辅助功率需求时，控制器（110）可以使排放阀（130）将第一蓄能器（118）与辅助马达（132）流体连接。

10. 发明申请

WO2014036224A1 HYDRAULIC CONTROL SYSTEM 审中-公开
标题翻译：液压控制系统
公开(公告)号：WO2014036224A1
公开(公告)日：2014-03-06
申请号：PCT/US2013/057230
申请日：2013-08-29
申请人： CATERPILLAR INC.
发明人： MA, Pengfei , PETERSON, Randal, Neil , ZHANG, Jiao , CHEN, Dayao , SHANG, Tonglin
IPC分类号： E02F9/22 , F15B13/02
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 (50) includes an implement (16) movable to perform an excavation cycle having a plurality of segments, a variable displacement motor (49) configured to swing the implement (16) at a desired speed during the excavation cycle, and a pump (58) configured to pressurize fluid directed to drive the motor (49). The system further includes an accumulator (108) configured to selectively receive fluid discharged from the motor (49) via a charge valve (122), and to discharge fluid to the motor (49) via a discharge valve (124). The system includes a selector valve (120) fluidly connected to the charge valve (122) and the discharge valve (124). The system also includes a controller (100) configured to vary displacement of the motor (49), resulting in the desired speed.
摘要翻译：液压控制系统（50）包括可移动以执行具有多个段的挖掘循环的工具（16），构造成在挖掘循环期间以期望速度摆动工具（16）的可变排量马达（49），以及构造成对被引导以驱动马达（49）的流体加压的泵（58）。该系统还包括蓄能器（108），其被构造成经由充气阀（122）有选择地接收从马达（49）排出的流体，并经由排放阀（124）将流体排放到马达（49）。该系统包括流体连接到充气阀（122）和排出阀（124）的选择阀（120）。该系统还包括被配置为改变电动机（49）的位移的控制器（100），从而产生期望的速度。

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