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1. 发明申请

WO2007040836A1 HYDRAULIC SYSTEM FOR RECOVERING POTENTIAL ENERGY 审中-公开
标题翻译：用于恢复潜在能量的液压系统
公开(公告)号：WO2007040836A1
公开(公告)日：2007-04-12
申请号：PCT/US2006/031788
申请日：2006-08-15
申请人： CATERPILLAR INC. , SHIN CATERPILLAR MITSUBISHI LTD. , MA, Pengfei , PATEL, Kalpesh, N. , SCHWAB, Michael, R. , SHANG, Tonglin , ZHANG, Jiao
发明人： MA, Pengfei , PATEL, Kalpesh, N. , SCHWAB, Michael, R. , SHANG, Tonglin , ZHANG, Jiao
IPC分类号： F15B11/024
CPC分类号： E02F9/2217 , F15B11/024 , F15B21/14 , F15B2211/20546 , F15B2211/20576 , F15B2211/30505 , F15B2211/30575 , F15B2211/3111 , F15B2211/3144 , F15B2211/31582 , F15B2211/327 , F15B2211/35 , F15B2211/40515 , F15B2211/413 , F15B2211/41581 , F15B2211/426 , F15B2211/45 , F15B2211/46 , F15B2211/55 , F15B2211/625 , F15B2211/88
摘要： A hydraulic system (40) may include a hydraulic actuator (20). The hydraulic system may also include a pump (44) having a pump inlet (52) and a pump outlet (54), and the pump may be configured to supply fluid to the hydraulic actuator. The hydraulic system may further include an energy recovery system (48) operatively connected between the hydraulic actuator and the pump. The energy recovery system may be configured to store fluid from the hydraulic actuator under an overrunning load condition, and the stored fluid may be directed through the pump inlet and into the hydraulic actuator.
摘要翻译：液压系统（40）可以包括液压致动器（20）。液压系统还可以包括具有泵入口（52）和泵出口（54）的泵（44），并且泵可构造成向液压致动器供应流体。液压系统还可以包括可操作地连接在液压致动器和泵之间的能量回收系统（48）。能量回收系统可以被配置为在超越负载条件下从液压致动器存储流体，并且存储的流体可以被引导通过泵入口并进入液压致动器。

2. 发明申请

WO2009108830A1 CONTROL SYSTEM FOR RECOVERING SWING MOTOR KINETIC ENERGY 审中-公开
标题翻译：回转电机动能的控制系统
公开(公告)号：WO2009108830A1
公开(公告)日：2009-09-03
申请号：PCT/US2009/035400
申请日：2009-02-27
申请人： CATERPILLAR INC. , CATERPILLAR JAPAN LTD. , ZHANG, Jiao , MA, Pengfei , SCHWAB, Michael, R. , SHANG, Tonglin , PATEL, Kalpesh, N.
发明人： ZHANG, Jiao , MA, Pengfei , SCHWAB, Michael, R. , SHANG, Tonglin , PATEL, Kalpesh, N.
IPC分类号： F15B1/02 , F15B9/08 , F15B9/17
CPC分类号： F15B1/024 , E02F9/2217 , E02F9/2228 , E02F9/2296 , F15B21/14 , F15B2211/20546 , F15B2211/212 , F15B2211/3144 , F15B2211/31529 , F15B2211/31558 , F15B2211/50527 , F15B2211/6306 , F15B2211/6346 , F15B2211/7058 , F15B2211/88
摘要： This disclosure relates to a hydraulic system and method that converts the kinetic energy generated by the operation of a swing motor (11) into hydraulic potential energy and reuses the hydraulic potential energy for acceleration of the swing motor (11). An accumulator (88) can be provided for storing exit oil from the swing motor (11) that is pressurized by the inertia torque applied on the moving swing motor (11) via movement of an upper structure (6) of a machine (4). The pressurized oil in the accumulator (88) can be reused to accelerate the swing motor (11) by supplying pressurized oil to the swing motor (11).
摘要翻译：本公开涉及一种液压系统和方法，其将通过旋转马达（11）的操作产生的动能转换为液压势能，并且重新利用用于加速摆动马达（11）的液压势能。可以设置蓄能器（88），用于储存通过机器（4）的上部结构（6）的移动而施加在移动回转马达（11）上的惯性转矩加压的来自回转马达（11）的出口油，。通过向回转马达（11）供给加压油，蓄能器（88）中的加压油可以重新用于加速回转马达（11）。

3. 发明申请

WO2006130267A1 HYDRAULIC SYSTEM HAVING A RETURN PRESSURE COMPENSATOR 审中-公开
标题翻译：具有返回压力补偿器的液压系统
公开(公告)号：WO2006130267A1
公开(公告)日：2006-12-07
申请号：PCT/US2006/015363
申请日：2006-04-25
申请人： CATERPILLAR INC. , SHIN CATERPILLAR MITSUBISHI LTD. , ZHANG, Jiao , MA, Pengfei , SCHWAB, Michael, R.
发明人： ZHANG, Jiao , MA, Pengfei , SCHWAB, Michael, R.
IPC分类号： F15B11/00 , F15B11/044 , F15B11/05 , E02F9/22
CPC分类号： F15B11/0445 , E02F9/2225 , E02F9/226 , E02F9/2296 , F15B11/003 , F15B11/006 , F15B11/05 , F15B2211/20546 , F15B2211/3051 , F15B2211/3055 , F15B2211/3057 , F15B2211/3111 , F15B2211/3144 , F15B2211/31529 , F15B2211/327 , F15B2211/40515 , F15B2211/413 , F15B2211/41581 , F15B2211/426 , F15B2211/46 , F15B2211/6054 , F15B2211/7058
摘要： A hydraulic system (22) for a work machine (10) is disclosed. The hydraulic system has a reservoir (34) configured to hold a supply of fluid and a source (18) configured to pressurize the fluid. The hydraulic system also has a fluid actuator (30), a first valve (27), and a second valve (32). The first valve is configured to selectively fluidly communicate the source with the fluid actuator to facilitate movement of the fluid actuator in a first direction. The second valve is configured to selectively fluidly communicate the fluid actuator with the reservoir to facilitate movement of the fluid actuator in the first direction. The hydraulic system further has a proportional pressure compensating valve (36) configured to control a pressure of a fluid directed between the fluid actuator and the reservoir.
摘要翻译：公开了一种用于工作机械（10）的液压系统（22）。液压系统具有构造成保持流体供应的储存器（34）和构造成对流体加压的源（18）。液压系统还具有流体致动器（30），第一阀（27）和第二阀（32）。第一阀构造成选择性地将源与流体致动器流体连通以便于沿第一方向移动流体致动器。第二阀构造成选择性地使流体致动器与储存器流体连通，以便于流体致动器沿第一方向移动。液压系统还具有比例压力补偿阀（36），该比例压力补偿阀（36）构造成控制流体致动器和储存器之间的流体的压力。

4. 发明申请

WO2007027306A1 INDEPENDENT METERING VALVE CONTROL SYSTEM AND METHOD 审中-公开
标题翻译：独立的计量阀控制系统和方法
公开(公告)号：WO2007027306A1
公开(公告)日：2007-03-08
申请号：PCT/US2006/027708
申请日：2006-07-18
申请人： CATERPILLAR INC. , SHIN CATERPILLAR MITSUBISHI LTD. , EGELJA, Aleksandar , MA, Pengfei , VERKUILEN, Michael, T. , ZHANG, Jiao
发明人： EGELJA, Aleksandar , MA, Pengfei , VERKUILEN, Michael, T. , ZHANG, Jiao
IPC分类号： F15B11/042 , F15B11/044 , F15B11/028 , F15B21/08
CPC分类号： F15B21/082 , F15B11/006 , F15B11/028 , F15B11/042 , F15B11/044 , F15B2211/30575 , F15B2211/327 , F15B2211/351 , F15B2211/353 , F15B2211/6313 , F15B2211/6653 , F15B2211/6654 , F15B2211/6658
摘要： A hydraulic control system (24) for a work machine (10) is disclosed. The hydraulic control system has a fluid actuator (30c) with first and second chambers (56, 58), first and second metering valves (32, 28) having valve elements movable to fill and drain the first and second chambers respectively, and at least one fluid sensor (40) configured to generate a load signal indicative of a load on the fluid actuator. The hydraulic control system also has an operator interface device (22) movable to generate a desired velocity signal of the fluid actuator. The hydraulic control system further has a controller (48) in communication with the first and second metering valves, the at least one fluid sensor, and the operator interface device. The controller is configured to move the valve element of the first metering valve to a position based on the desired velocity signal and to move the valve element of the second metering valve to a position based on the load signal and a desired pressure within the second chamber.
摘要翻译：公开了一种用于工作机械（10）的液压控制系统（24）。液压控制系统具有带有第一和第二腔室（56,58）的流体致动器（30c），第一和第二计量阀（32,28）具有可移动以分别填充和排出第一和第二腔室的阀元件，并且至少一个流体传感器（40）被配置为产生指示流体致动器上的负载的负载信号。液压控制系统还具有可移动以产生流体致动器的期望速度信号的操作者界面装置（22）。液压控制系统还具有与第一和第二计量阀，至少一个流体传感器和操作者界面装置连通的控制器（48）。控制器被配置成基于期望的速度信号将第一计量阀的阀元件移动到一个位置，并且基于负载信号将第二计量阀的阀元件移动到一个位置，并且在第二腔室内的期望压力。

5. 发明申请

WO2006118841A1 HYDRAULIC SYSTEM HAVING A PRESSURE COMPENSATOR 审中-公开
标题翻译：具有压力补偿器的液压系统
公开(公告)号：WO2006118841A1
公开(公告)日：2006-11-09
申请号：PCT/US2006/015360
申请日：2006-04-25
申请人： CATERPILLAR INC. , SHIN CATERPILLAR MITSUBISHI LTD. , MA, Pengfei , ST. GERMAIN, Gene, R. , ZHANG, Jiao , EGELJA, Aleksandar, M. , LEHMANN, Robert, S. , SOROKINE, Michael, A.
发明人： MA, Pengfei , ST. GERMAIN, Gene, R. , ZHANG, Jiao , EGELJA, Aleksandar, M. , LEHMANN, Robert, S. , SOROKINE, Michael, A.
IPC分类号： F15B11/00 , F15B11/05 , F15B11/042
CPC分类号： F15B11/042 , F15B11/006 , F15B11/05 , F15B2211/20546 , F15B2211/3052 , F15B2211/30535 , F15B2211/30575 , F15B2211/3111 , F15B2211/3144 , F15B2211/31576 , F15B2211/327 , F15B2211/35 , F15B2211/50572 , F15B2211/5059 , F15B2211/513 , F15B2211/5151 , F15B2211/528 , F15B2211/8613
摘要： A hydraulic system (22) having a source (24) of pressurized fluid, a fluid actuator (16) with a first chamber (50) and a second chamber (52), and a body (90). The body has a first valve (26) configured to selectively fluidly communicate the source with the first chamber and a second valve (30) configured to selectively fluidly communicate the source with the second chamber. The body also has a proportional pressure compensating valve (36) to control a pressure of fluid directed between the source and the first and second valves and a supply passageway (61) disposed between the source and the first and second valves in parallel and the proportional pressure compensating valve is disposed within the supply passageway.
摘要翻译：具有加压流体源（24）的液压系统（22），具有第一室（50）和第二室（52）的流体致动器（16）和主体（90）。主体具有构造成选择性地将源与第一室流体连通的第一阀（26）和构造成选择性地将源与第二室流体连通的第二阀（30）。主体还具有比例压力补偿阀（36），用于控制在源和第一和第二阀之间引导的流体的压力;以及供应通道（61），其平行设置在源与第一和第二阀之间，压力补偿阀设置在供给通道内。

6. 发明申请

WO2013003047A2 HYDRAULIC CONTROL SYSTEM HAVING SWING MOTOR ENERGY RECOVERY 审中-公开
标题翻译：具有电动机能量回收的液压控制系统
公开(公告)号：WO2013003047A2
公开(公告)日：2013-01-03
申请号：PCT/US2012/042350
申请日：2012-06-14
申请人： CATERPILLAR INC. , ZHANG, Jiao , SHANG, Tonglin , SPRING, Peter , MA, Pengfei , PETERSON, Randal
发明人： ZHANG, Jiao , SHANG, Tonglin , SPRING, Peter , MA, Pengfei , PETERSON, Randal
CPC分类号： E02F9/2217 , E02F9/123 , E02F9/2037 , E02F9/2296 , F15B1/02 , F15B21/14 , F15B2211/212 , F15B2211/30575 , F15B2211/50527 , F15B2211/613 , F15B2211/7058 , F15B2211/88
摘要： A hydraulic control system (50) for a machine (10) is disclosed. The hydraulic control system may have a work tool (16) movable through segments of an excavation cycle, a motor (49) configured to swing the work tool during the excavation cycle, at least one accumulator (108, 110) configured to selectively receive fluid discharged from the motor and to discharge fluid to the motor during the excavation cycle, and a controller (100). The controller may be configured to receive input regarding a current excavation cycle of the work tool, and make a determination based on the input that the current excavation cycle is associated with one of a set of known modes of operation. The controller may be further configured to cause the at least one accumulator to receive fluid and discharge fluid during different segments of the excavation cycle based on the determination.
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可移动通过挖掘循环的段的作业工具（16），构造成在挖掘循环期间摆动作业工具的马达（49），配置成有选择地接收流体的至少一个储液器（108,110）在开挖循环期间从马达排出并将流体排放到马达，以及控制器（100）。控制器可以被配置为接收关于工作工具的当前挖掘周期的输入，并且基于输入来确定当前挖掘循环与一组已知操作模式中的一个相关联。控制器还可以被构造成基于该确定，使至少一个蓄能器在挖掘周期的不同段期间接收流体并排出流体。

7. 发明申请

WO2013003046A2 HYDRAULIC CONTROL SYSTEM HAVING SWING MOTOR ENERGY RECOVERY 审中-公开
标题翻译：液压控制系统具有回转电机能量回收
公开(公告)号：WO2013003046A2
公开(公告)日：2013-01-03
申请号：PCT/US2012/042349
申请日：2012-06-14
申请人： CATERPILLAR INC. , ZHANG, Jiao , SHANG, Tonglin , SPRING, Peter , MA, Pengfei , PETERSON, Randal , CESUR, Rustu
发明人： ZHANG, Jiao , SHANG, Tonglin , SPRING, Peter , MA, Pengfei , PETERSON, Randal , CESUR, Rustu
CPC分类号： F15B21/14 , E02F9/123 , E02F9/2217 , E02F9/2296 , F15B1/02 , F15B1/033 , F15B11/024 , F15B2011/0243 , F15B2011/0246 , F15B2211/205 , F15B2211/212 , F15B2211/30575 , F15B2211/50527 , F15B2211/50554 , F15B2211/511 , F15B2211/613 , F15B2211/625 , F15B2211/7058 , F15B2211/88
摘要： A hydraulic control system (50) for a machine (10) is disclosed. The hydraulic control system may have a work tool (16) movable to perform an excavation cycle having a plurality of segments, a motor (49) configured to swing the work tool during the excavation cycle, and a pump (58) configured to pressurize fluid directed to drive the motor. The hydraulic control system may also have at least one accumulator (108, 110) configured to selectively receive fluid discharged from the motor and to discharge fluid to the motor during the plurality of segments, and a controller configured to implement a plurality of modes of operation. Each of the plurality of modes of operation includes a different combination of segments during which the at least one accumulator receives and discharges fluid.
摘要翻译：公开了用于机器（10）的液压控制系统（50）。油压控制装置具有：作业工具（16），其能够进行具有多个区段的挖掘循环;马达（49），其在挖掘循环中使作业工具摆动;以及泵（58）指示驱动电机。液压控制系统还可以具有至少一个蓄能器（108,110），该蓄能器构造成选择性地接收从马达排出的流体并且在多个区段期间将流体排放到马达;以及控制器，配置成实施多种操作模式。多种操作模式中的每一种都包括不同的段组合，在此期间至少一个蓄积器接收和排出流体。

8. 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。

9. 发明申请

WO2012082326A2 HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY 审中-公开
标题翻译：具有能量回收的液压控制系统
公开(公告)号：WO2012082326A2
公开(公告)日：2012-06-21
申请号：PCT/US2011/061777
申请日：2011-11-22
申请人： CATERPILLAR INC. , SHANG, Tonglin , ZHANG, Jiao , MA, Pengfei
发明人： SHANG, Tonglin , ZHANG, Jiao , MA, Pengfei
CPC分类号： E02F9/123 , E02F9/2217 , E02F9/2292 , E02F9/2296 , F15B21/14 , F15B2211/20546 , F15B2211/20576 , F15B2211/50518 , F15B2211/625 , F15B2211/88
摘要： A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system (48) may have a tank (64), a pump (51) configured to draw fluid from the tank (64) and pressurize the fluid, a swing motor (43) configured to receive the pressurized fluid and swing a body (38) of the machine relative to an undercarriage (39), and a tool actuator (32) configured to receive the pressurized fluid and move a tool (14) relative to the body. The hydraulic control system (48) may also have an energy recovery device (122) configured to convert hydraulic energy to mechanical energy, a first accumulator (138) configured to store waste fluid received from the swing motor (43), and a second accumulator (130) configured to store waste fluid received from the tool actuator. Stored waste fluid from at least one of the first (138) and second accumulators (130) may be selectively discharged into the energy recovery device (122).
摘要翻译：公开了一种用于机器（10）的液压控制系统（48）。液压控制系统（48）可具有罐（64），配置成从罐（64）抽取流体并加压流体的泵（51），配置成接收加压流体并摆动所述机器相对于底盘（39）的主体（38）以及工具致动器（32），所述工具致动器构造成接收所述加压流体并相对于所述主体移动工具（14）。液压控制系统（48）还可以具有被构造成将液压能转换成机械能的能量回收装置（122），被配置为存储从摆动马达（43）接收的废弃流体的第一存储器（138），以及第二存储器（130），其构造成存储从所述工具致动器接收的废弃流体。来自第一储存器（138）和第二储存器（130）中的至少一个储存的废弃流体可以选择性地排放到能量回收装置（122）中。

10. 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.

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