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1. 发明申请

WO2012060742A1 A METHOD FOR CONTROLLING A HYDRAULIC SYSTEM OF A WORKING MACHINE 审中-公开
标题翻译：一种控制工作机械液压系统的方法
公开(公告)号：WO2012060742A1
公开(公告)日：2012-05-10
申请号：PCT/SE2010/000264
申请日：2010-11-01
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , VIGHOLM, Bo , KARLSSON, Jan , EKVALL, Andreas , HEYBROEK, Kim
发明人： VIGHOLM, Bo , KARLSSON, Jan , EKVALL, Andreas , HEYBROEK, Kim
IPC分类号： E02F3/43 , E02F9/22 , F15B11/16
CPC分类号： F15B15/18 , E02F9/2235 , E02F9/2296 , F15B11/165 , F15B2211/20546 , F15B2211/251 , F15B2211/6309 , F15B2211/6313 , F15B2211/633 , F15B2211/665 , F15B2211/6652 , F15B2211/6653 , F15B2211/71 , F15B2211/781 , F15B2211/88
摘要： The invention relates to a method for controlling a hydraulic system (10) of a working machine (1). The hydraulic system comprises a hydraulic machine (13) for providing hydraulic fluid to one or more actuators (11, 12) of the working machine. The method comprises the steps of receiving a signal requesting a pump pressure from the hydraulic machine (13) based on the load pressure of a first actuator (11) of said one or more actuators which first actuator has the highest load pressure of said one or more actuators, discriminating the pressure request from the first actuator (11 ) provided that the first actuator is stalled due to overload or geometrical limitations, and controlling the hydraulic machine (13) to provide a pump pressure based on the load pressure of a second actuator (12) of said one or more actuators which second actuator is in operation and has the second highest load pressure of said one or more actuators, or, if no actuator in addition to the first actuator is present and in operation, controlling the hydraulic machine to provide a predetermined idle pump pressure.
摘要翻译：本发明涉及一种用于控制工作机（1）的液压系统（10）的方法。液压系统包括用于向工作机器的一个或多个致动器（11,12）提供液压流体的液压机（13）。该方法包括以下步骤：基于所述一个或多个致动器的第一致动器（11）的负载压力接收来自液压机器（13）的泵压力的信号，第一致动器具有所述一个或多个致动器的最高负载压力，更多的致动器，鉴于来自第一致动器（11）的压力要求，只要第一致动器由于过载或几何限制而停转，并且控制液压机器（13）基于第二致动器（11）的负载压力提供泵压力（12），所述一个或多个致动器第二致动器正在运行并具有所述一个或多个致动器的第二最高负载压力，或者如果除了第一致动器之外没有致动器，并且在运行中，控制液压机以提供预定的空转泵压力。

2. 发明申请

WO2013180605A1 A METHOD FOR RECOVERING ENERGY AND A HYDRAULIC SYSTEM 审中-公开
标题翻译：一种恢复能源和液压系统的方法
公开(公告)号：WO2013180605A1
公开(公告)日：2013-12-05
申请号：PCT/SE2012/000084
申请日：2012-05-30
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
发明人： VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
IPC分类号： E02F9/22 , F15B21/14
CPC分类号： E02F9/2217 , B62D5/07 , B62D5/075 , B62D12/00 , E02F3/34 , E02F9/0841 , E02F9/0866 , E02F9/2292 , E02F9/2296 , F04D25/04 , F04D27/004 , F15B21/14 , F15B2211/20546 , F15B2211/20576 , F15B2211/40515 , F15B2211/41581 , F15B2211/426 , F15B2211/46 , F15B2211/611 , F15B2211/62 , F15B2211/6313 , F15B2211/7058 , F15B2211/781 , F15B2211/88 , G05B15/02 , G05D16/2066 , Y02P80/13
摘要： A method for recovering energy in a hydraulic system of a working machine, the hydraulic system comprising at least one hydraulic cylinder for movement of a load, and a fan driven by a hydraulic motor, comprising the steps of pressurizing the hydraulic cylinder with a load pressure at one of the piston side and the piston rod side of the hydraulic cylinder for moving the load, the load pressure substantially exceeding a pressure difference between the piston side and the piston rod side of the hydraulic cylinder required to move the load, creating a counter pressure at the other of the piston side and piston rod side of the hydraulic cylinder, where the counter pressure is created by means of the hydraulic motor while the hydraulic motor is driven by a hydraulic return flow from the hydraulic cylinder, by creating the counter pressure by means of the hydraulic motor while the hydraulic motor is driven by a return flow of hydraulic fluid from the hydraulic cylinder, the counter pressure created by the hydraulic motor being a function of the magnitude of the return flow driving the hydraulic motor and the load on the hydraulic motor. The advantage of the invention is that the energy consumption of a vehicle can be reduced in a simple and cost-effective way.
摘要翻译：一种用于在工作机械的液压系统中回收能量的方法，所述液压系统包括至少一个用于运动负载的液压缸和由液压马达驱动的风扇，包括以下步骤：以负载压力对液压缸加压在用于移动负载的液压缸的活塞侧和活塞杆侧之一处，负载压力基本上超过了移动负载所需要的液压缸的活塞侧和活塞杆侧之间的压力差，形成了一个计数器在液压缸的活塞侧和活塞杆侧的另一侧的压力，其中通过液压马达产生反压力，而液压马达由液压缸的液压回流驱动，通过产生反压力通过液压马达，而液压马达由来自液压缸的液压流体的回流驱动，反作用力由液压马达产生的是驱动液压马达的回流量和液压马达上的载荷的大小的函数。本发明的优点在于能够以简单且成本有效的方式降低车辆的能量消耗。

3. 发明申请

WO2012138264A1 AN ARRANGEMENT FOR CHARGING AN ACCUMULATOR 审中-公开
标题翻译：收取累积物的安排
公开(公告)号：WO2012138264A1
公开(公告)日：2012-10-11
申请号：PCT/SE2011/000065
申请日：2011-04-08
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
发明人： VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
IPC分类号： E02F9/22 , F15B1/027 , F15B1/08 , G05D16/00
CPC分类号： F15B1/04 , E02F9/2207 , E02F9/2217 , E02F9/226 , E02F9/2292 , E02F9/2296 , F15B1/021 , F15B2211/20546 , F15B2211/20576 , F15B2211/625 , F15B2211/8613
摘要： The invention relates to an arrangement for charging an accumulator (10) with hydraulic fluid. The accumulator (10) is used in a hydraulic boom suspension system (3) for a lift arm (55) of a vehicle (50) and the arrangement comprises a first hydraulic pump (4) arranged to supply hydraulic fluid to a hydraulic cylinder system (2) of the lift arm (55), and a second hydraulic pump (5) arranged to supply hydraulic fluid to a second hydraulic system. The second hydraulic pump (5) is further arranged to supply hydraulic fluid for charging the accumulator (10).
摘要翻译：本发明涉及一种用液压流体对蓄能器（10）进行充气的装置。蓄能器（10）用在用于车辆（50）的提升臂（55）的液压动臂悬架系统（3）中，并且该装置包括第一液压泵（4），其被布置成将液压流体供应到液压缸系统（55）的第二液压泵（2）和第二液压泵（5），其被设置成将液压流体供应到第二液压系统。第二液压泵（5）进一步布置成供应用于对蓄能器（10）充电的液压流体。

4. 发明申请

WO2013095208A1 A METHOD FOR CONTROLLING LOWERING OF AN IMPLEMENT OF A WORKING MACHINE 审中-公开
标题翻译：一种控制工作机械落地的方法
公开(公告)号：WO2013095208A1
公开(公告)日：2013-06-27
申请号：PCT/SE2011/000242
申请日：2011-12-22
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
发明人： VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
IPC分类号： E02F9/22 , F15B11/024 , F15B21/14
CPC分类号： F15B21/02 , E02F3/432 , E02F9/2095 , E02F9/2203 , E02F9/2217 , E02F9/2296 , F15B15/10 , F15B21/14 , F15B2211/20553 , F15B2211/3057 , F15B2211/3058 , F15B2211/611 , F15B2211/6306 , F15B2211/6313 , F15B2211/6654 , F15B2211/7053 , F15B2211/7058 , F15B2211/88 , Y10T137/0396
摘要： The invention relates to a method for controlling lowering of an implement (3) of a working machine. The working machine has a hydraulic system (10) comprising a hydraulic cylinder (11) for moving the implement and a first control valve (12) for controlling the flow of hydraulic fluid from the piston side (13) of the hydraulic cylinder, and a recovery unit (14) connected to the control valve for recovering energy by receiving a return flow from the piston side of the hydraulic cylinder. The piston side (13) of the hydraulic cylinder and the control valve (12) are connected to each other, and the piston rod side (15) of the hydraulic cylinder is connected to the control valve (12) and to the recovery unit (14) in a point (16) between the control valve and the recovery unit. The method comprises the steps of identifying a requested lowering speed of the implement (3), and identifying a desired pressure at the piston side (13) of the hydraulic cylinder (11) and controlling the recovery unit (14) to provide a counter pressure resulting in the desired pressure at the piston side of the hydraulic cylinder, and enabling fluid communication between the piston side (13) of the hydraulic cylinder and the recovery unit (14), and between the piston side (13) of the hydraulic cylinder and the piston rod side (15) of the hydraulic cylinder (11), via the control valve (12), and controlling the control valve (12) in such a way that the flow through the control valve corresponds to the requested lowering speed of the implement (3).
摘要翻译：本发明涉及一种用于控制作业机器的工具（3）的降低的方法。工作机具有液压系统（10），液压系统（10）包括用于移动工具的液压缸（11）和用于控制来自液压缸的活塞侧（13）的液压流体流动的第一控制阀（12）回收单元（14），其连接到控制阀，用于通过接收来自液压缸的活塞侧的返回流来回收能量。液压缸的活塞侧（13）和控制阀（12）彼此连接，液压缸的活塞杆侧（15）连接到控制阀（12）和回收单元（在控制阀和回收单元之间的点（16）中。该方法包括以下步骤：识别工具（3）的所请求的降低速度，以及识别在液压缸（11）的活塞侧（13）处的期望压力，并控制回收单元（14）提供反压力导致液压缸的活塞侧所需的压力，并且使液压缸的活塞侧（13）和回收单元（14）之间以及液压缸的活塞侧（13）与液压缸的活塞侧液压缸（11）的活塞杆侧（15）经由控制阀（12），并以这样的方式控制控制阀（12），使得通过控制阀的流量对应于所要求的下降速度实施（3）。

5. 发明申请

WO2011068441A1 A METHOD FOR CONTROLLING A HYDRAULIC SYSTEM OF A WORKING MACHINE 审中-公开
标题翻译：一种控制工作机械液压系统的方法
公开(公告)号：WO2011068441A1
公开(公告)日：2011-06-09
申请号：PCT/SE2009/000505
申请日：2009-12-02
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
发明人： VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
IPC分类号： F15B11/17 , B62D5/07 , E02F9/22 , F15B21/08 , F15B11/16
CPC分类号： B62D5/075 , E02F9/2235 , E02F9/2242 , E02F9/225 , E02F9/2292 , E02F9/2296 , F15B11/162 , F15B2211/20523 , F15B2211/20546 , F15B2211/20576 , F15B2211/2654 , F15B2211/2656 , F15B2211/4053
摘要： The invention relates to a method for controlling a hydraulic system (20) of a working machine, which hydraulic system comprises a first hydraulic machine (21) for providing hydraulic fluid to a first actuator (22) of the working machine, and a second hydraulic machine (23) for providing hydraulic fluid to a second actuator (24) of the working machine and for providing hydraulic fluid to the first actuator (22). The method comprises the step of using a first control mode, and in the first control mode allowing a flow of hydraulic fluid from the second hydraulic machine (23) to the second actuator (24), wherein the pump pressure of the second hydraulic machine (23) is selected based on the load pressure of the second actuator (24) independently of the load pressure of the first actuator (22). The method further comprises the step of using a second control mode provided that the requested flow to the first actuator (22) exceeds a predetermined threshold value, and in the second control mode allowing a flow of hydraulic fluid from the second hydraulic machine (23) to the first actuator (22), wherein the pump pressure of the second hydraulic machine (23) is selected based on the highest value of the load pressure of the second actuator (24) and the load pressure of the first actuator (22).
摘要翻译：本发明涉及一种用于控制作业机械的液压系统（20）的方法，该液压系统包括用于向作业机械的第一致动器（22）提供液压流体的第一液压机（21）和第二液压机器（23），用于向工作机器的第二致动器（24）提供液压流体，并用于向第一致动器（22）提供液压流体。该方法包括使用第一控制模式的步骤，并且在第一控制模式中允许从第二液压机（23）到第二致动器（24）的液压流体流动，其中第二液压机器 23）基于第二致动器（24）的负载压力而独立于第一致动器（22）的负载压力来选择。该方法还包括使第二控制模式的步骤，只要所请求的流向第一致动器（22）超过预定阈值，并且在第二控制模式允许来自第二液压机（23）的液压流体流动，到第一致动器（22），其中基于第二致动器（24）的负载压力的最大值和第一致动器（22）的负载压力来选择第二液压机械（23）的泵压力。

6. 发明申请

WO2010138029A1 A HYDRAULIC SYSTEM AND A WORKING MACHINE COMPRISING SUCH A HYDRAULIC SYSTEM 审中-公开
标题翻译：液压系统和包含液压系统的工作机
公开(公告)号：WO2010138029A1
公开(公告)日：2010-12-02
申请号：PCT/SE2009/000282
申请日：2009-05-29
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
发明人： VIGHOLM, Bo , EKVALL, Andreas , HEYBROEK, Kim
IPC分类号： F15B21/14 , E02F9/22
CPC分类号： E02F9/2217 , E02F9/2292 , E02F9/2296 , F15B21/14 , F15B2211/20546 , F15B2211/3057 , F15B2211/3111 , F15B2211/6309 , F15B2211/6313 , F15B2211/6336 , F15B2211/634 , F15B2211/6346 , F15B2211/7121 , F15B2211/7128 , F15B2211/88 , Y10T137/0396 , Y10T137/7762
摘要： A hydraulic system for a working machine (101). The system comprises at least one work function (1; 217, 221, 203) and a control valve unit (2; 200a, 200b, 200c) for controlling hydraulic fluid to and from the work function, and a recovery unit (9; 295; 595) connected to a return port (10; 60a, 60b, 60c) of the control valve unit for recovering energy from the work function. The system further comprises a means (11; 287b, 289b, 291b) for limiting the pressure of the hydraulic fluid at the return port, which pressure limiting means has a pilot-operated valve (12; 287, 289, 291) adapted to set a maximum allowable pressure at the return port (10; 60a, 60b, 60c) of the control valve unit, wherein the pressure is variable by controlling the pilot- operated valve by means of a control unit (13; 213).
摘要翻译：一种用于工作机械的液压系统（101）。该系统包括至少一个功函数（1; 217,221,203）和用于控制来自功函数的液压流体的控制阀单元（2; 200a，200b，200c），以及一恢复单元 ; 595），其连接到用于从功能功能中回收能量的控制阀单元的返回端口（10; 60a，60b，60c）。该系统还包括用于限制在返回端口处的液压流体的压力的装置（11; 287b，289b，291b），该压力限制装置具有适于设定的先导操作阀（12; 287,289,291）在所述控制阀单元的返回端口（10; 60a，60b，60c）处的最大允许压力，其中所述压力可通过借助于控制单元（13; 213）控制所述先导操作阀来变化。

7. 发明申请

WO2014017958A1 BALANCED LINKAGE 审中-公开
标题翻译：平衡链接
公开(公告)号：WO2014017958A1
公开(公告)日：2014-01-30
申请号：PCT/SE2012/050849
申请日：2012-07-26
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , UNNEBÄCK, Joakim , HEYBROEK, Kim
发明人： UNNEBÄCK, Joakim , HEYBROEK, Kim
IPC分类号： E02F9/22
CPC分类号： E02F3/422 , E02F9/2217 , E02F9/2271 , E02F9/2289
摘要： There is provided a lift arrangement for a working machine, comprising: a lift arm in one end pivotably connectable to the body of a working machine; a hydraulic lift actuator connected to the arm for pivoting the arm about a pivot axis relative to the body of a working machine; a balance actuator connected to the arm and configured to provide a lift force on the lift arm; wherein the balance actuator is arranged separately from the hydraulic lift actuator, the balance actuator being actuated by a closed volume of pressurized gas for creating the lift force. There is also provided a working machine comprising such a lift arrangement.
摘要翻译：提供了一种用于工作机械的提升装置，包括：提升臂，其一端可枢转地连接到作业机器的主体; 连接到所述臂的液压提升致动器，用于相对于作业机器的主体绕枢转轴线枢转所述臂; 平衡致动器，其连接到所述臂并且构造成在所述提升臂上提供提升力; 其中所述平衡致动器与所述液压升降致动器分开布置，所述平衡致动器由用于产生提升力的封闭体积的加压气体致动。还提供了一种包括这种升降装置的加工机。

8. 发明申请

WO2012166022A1 A HYDRAULIC SYSTEM AND A METHOD FOR CONTROLLING A HYDRAULIC SYSTEM 审中-公开
标题翻译：液压系统和控制液压系统的方法
公开(公告)号：WO2012166022A1
公开(公告)日：2012-12-06
申请号：PCT/SE2011/000106
申请日：2011-05-31
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , HEYBROEK, Kim , WIKTOR, Roland
发明人： HEYBROEK, Kim , WIKTOR, Roland
IPC分类号： F15B21/14 , E02F9/22 , F15B3/00 , F16H61/4096
CPC分类号： F15B13/02 , E02F9/2217 , E02F9/2235 , E02F9/2242 , E02F9/2296 , F15B11/00 , F15B2211/20546 , F15B2211/214 , F15B2211/26 , F15B2211/625 , F15B2211/6303 , F15B2211/6313 , F15B2211/6346 , F15B2211/6655 , F16H61/4096
摘要： As such, the present invention relates to a hydraulic system (10) for a working machine (101). The hydraulic system (10) comprises a hydraulic actuator (12) and a first hydraulic machine (14) for supplying fluid to the hydraulic actuator (12). The hydraulic system (10) further comprises a hydraulic transformer (28) for supplying fluid to the hydraulic actuator (12) in parallel with the first hydraulic machine (14), and an accumulator (38) for fluid. The hydraulic transformer (28) comprises a first port (30) and a second port (32) and the transformer (38) is adapted to transform a first pressure and a first flow at the first port (30) to a second pressure and a second flow at the second port (32). The second port (32) of the hydraulic transformer (28) is in fluid communication with the hydraulic actuator (28) and the first port is in communication with the accumulator (38).
摘要翻译：因此，本发明涉及一种用于工作机械（101）的液压系统（10）。液压系统（10）包括用于向液压致动器（12）供应流体的液压致动器（12）和第一液压机械（14）。液压系统（10）还包括用于与第一液压机器（14）平行地向液压致动器（12）供应流体的液压变压器（28）和用于流体的蓄能器（38）。液压变压器（28）包括第一端口（30）和第二端口（32），并且变压器（38）适于将第一端口（30）处的第一压力和第一流量转换为第二压力和在第二端口（32）处的第二流。液压变压器（28）的第二端口（32）与液压致动器（28）流体连通，第一端口与蓄能器（38）连通。

9. 发明申请

WO2008143568A1 A METHOD FOR RECUPERATING POTENTIAL ENERGY DURING A LOWERING OPERATION OF A LOAD 审中-公开
标题翻译：一种在负载较低运行中恢复潜在能量的方法
公开(公告)号：WO2008143568A1
公开(公告)日：2008-11-27
申请号：PCT/SE2008/000215
申请日：2008-03-25
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , BERGSTRÖM, Magnus , LILLEMETS, Johan , HEYBROEK, Kim , PALMBERG, Jan-Ove
发明人： BERGSTRÖM, Magnus , LILLEMETS, Johan , HEYBROEK, Kim , PALMBERG, Jan-Ove
IPC分类号： E02F9/22 , F15B11/024 , F15B21/14
CPC分类号： E02F9/2217 , F15B11/006 , F15B21/082 , F15B21/087 , F15B21/14 , F15B2211/30575 , F15B2211/3144 , F15B2211/6309 , F15B2211/6313 , F15B2211/6346 , F15B2211/6658 , F15B2211/7053 , F15B2211/88
摘要： The invention relates to a method for recuperating potential energy during a lowering operation of a load, wherein a hydraulic system is adapted to lift and lower the load, comprising the steps of - providing at least two energy recuperation modes, - selecting one of said modes in response to a current operating state, and - controlling the hydraulic system according to the selected mode.
摘要翻译：本发明涉及一种用于在负载的降低操作期间使能量恢复的方法，其中液压系统适于提升和降低负载，包括以下步骤： - 提供至少两种能量回收模式， - 选择所述模式之一响应于当前操作状态，以及 - 根据选择的模式控制液压系统。

10. 发明申请

WO2021037382A1 A METHOD OF CONTROLLING A HYDRAULIC ACTUATOR, A HYDRAULIC ACTUATOR, A HYDRAULIC SYSTEM AND A WORKING MACHINE 审中-公开
公开(公告)号：WO2021037382A1
公开(公告)日：2021-03-04
申请号：PCT/EP2019/073256
申请日：2019-08-30
申请人： VOLVO CONSTRUCTION EQUIPMENT AB , NORRHYDRO OY
发明人： SAHLMAN, Mika , HEYBROEK, Kim
IPC分类号： E02F9/22 , F15B11/036
摘要： A method of controlling a hydraulic actuator (40, 42), wherein the hydraulic actuator (40, 42) comprises a linear double-acting output member (46), and at least three working chambers (84) in fluid connection with the output member (46), the working chambers (84) having respective effective areas with a non-binary relationship; wherein the method comprises selectively fluidly connecting (S1) each working chamber (84) to either a high- pressure side (48) or a low-pressure side (50) to provide a plurality of discrete pressurization states (92) of the hydraulic actuator (40, 42); determining (S2) at least one of the pressurization states (92) as a prevented pressurization state; and transitioning (S3) between a plurality of allowed pressurization states among the pressurization states (92) while preventing transition to the at least one prevented pressurization state. A hydraulic actuator (40, 42) and a hydraulic system (20) are also provided.

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