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    Power transmission system of hydraulically driven working vehicle
    4.
    发明授权
    Power transmission system of hydraulically driven working vehicle 有权
    液压驱动作业车辆动力传动系统

    公开(公告)号：US07726425B2

    公开(公告)日：2010-06-01

    申请号：US11433551

    申请日：2006-05-15

    申请人： Norihiro Ishii ,  Koji Iwaki ,  Fumitoshi Ishino

    发明人： Norihiro Ishii ,  Koji Iwaki ,  Fumitoshi Ishino

    IPC分类号： B60K17/28

    CPC分类号： F16D31/02 ,  A01D69/03 ,  B60K17/10 ,  B60K17/356 ,  B60Y2200/223

    摘要： A power transmission system of a hydraulically driven working vehicle comprises: a prime mover supported by a vehicle frame, the prime mover including a prime mover output shaft projecting in the fore-and-aft direction of the vehicle; a pump housing; a hydraulic pump disposed in the pump housing, the hydraulic pump including a pump shaft projecting from the pump housing in the fore-and-aft direction of the vehicle so as to be drivingly connected to the prime mover output shaft; a first hydraulic motor disposed outside the pump housing so as to be fluidly connected to the hydraulic pump; a transaxle supported by one of front and rear portions of the vehicle frame, the transaxle including a transaxle housing, a pair of axles disposed in the transaxle housing so as to be driven by the hydraulic motor, and a differential gear unit disposed in the transaxle housing so as to be drivingly interposed between the hydraulic motor and the pair of axles; a PTO shaft; and a working power train extracting a part of power transmitted from the prime mover output shaft to the pump shaft and transmitting the extracted power to the PTO shaft.

    摘要翻译： 液压驱动作业车辆的动力传动系统包括：由车架支撑的原动机，原动机包括沿车辆前后方向突出的原动机输出轴; 泵壳; 设置在所述泵壳体内的液压泵，所述液压泵包括从所述泵壳体沿所述车辆的前后方向突出的泵轴，以便驱动地连接到所述原动机输出轴; 第一液压马达，其设置在所述泵壳体的外部，以流体地连接到所述液压泵; 由所述车架的前后部支撑的变速驱动桥，所述变速驱动桥包括变速驱动桥壳体，设置在所述驱动桥壳体中以由所述液压马达驱动的一对轴，以及设置在所述驱动桥中的差动齿轮单元 壳体，以便驱动地插入在液压马达和所述一对轴之间; PTO轴; 以及工作动力系提取从原动机输出轴传递到泵轴的动力的一部分，并将提取的动力传递到PTO轴。

    Hydrostatic transaxle
    5.
    发明授权
    Hydrostatic transaxle 有权
    静水驱动桥

    公开(公告)号：US07690470B2

    公开(公告)日：2010-04-06

    申请号：US11737076

    申请日：2007-04-18

    申请人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    发明人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    IPC分类号： B60K17/30

    CPC分类号： B62D7/18 ,  B60K17/043 ,  B60K17/30 ,  B60Y2200/223 ,  B62D3/02 ,  B62D9/002 ,  B62D11/001 ,  B62D11/06 ,  F16H39/14

    摘要： A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle.

    摘要翻译： 静压驱动桥包括：电动机壳体; 设置在所述电动机壳体中的至少一个液压马达; 至少一个输出轴，设置在所述马达壳体中，以被所述至少一个液压马达驱动; 以及一对可转动的轮支撑单元，其附接到马达壳体的相应的相对端。 每个可转向轮支撑单元包括一个轴，可转向的壳体，轮子和转向臂。 在每个可转向的车轮支撑单元中，轴被驱动地连接到至少一个输出轴，可转向的壳体相对于电动机壳体基本水平地可旋转，车轮附接在轴的外端， 壳体，并且转向臂可旋转地一体地设置在可转向的壳体上。 静液压驱动桥进一步包括一对连接杆，用于将可转向轮支撑单元的转向臂连接到从静压驱动桥向前或向后间隔的转向操作机构的公共旋转构件。

    Hydrostatic Transaxle and Hydraulically Driven Vehicle
    6.
    发明申请
    Hydrostatic Transaxle and Hydraulically Driven Vehicle 失效
    静液压驱动桥和液压驱动车

    公开(公告)号：US20090288901A1

    公开(公告)日：2009-11-26

    申请号：US12536192

    申请日：2009-08-05

    申请人： Koji IWAKI ,  Norihiro Ishii ,  Fumitoshi Ishino

    发明人： Koji IWAKI ,  Norihiro Ishii ,  Fumitoshi Ishino

    IPC分类号： B60K17/356

    CPC分类号： B60K17/356 ,  B60W2300/156 ,  B60W2510/20 ,  B60Y2200/223 ,  F16H61/40 ,  F16H61/427 ,  F16H61/456

    摘要： A hydraulically driven vehicle comprises: a first transaxle disposed at one of front and rear portions of the vehicle, wherein the first transaxle incorporates a first hydraulic motor for driving a first axle; a second transaxle disposed at the other of the rear or front portion of the vehicle, wherein the second transaxle incorporates a second hydraulic motor for driving a second axle; a hydraulic pump for supplying fluid to the first and second hydraulic motors; a mower; a duct for transferring grass mowed by the mower, wherein the first transaxle is disposed above the duct; and a vertical power train interposed between the first axle and an axial center shaft of a wheel driven by the first axle, wherein the power train is disposed on a lateral outside of the duct.

    摘要翻译： 液压驱动车辆包括：设置在车辆的前部和后部之一的第一变速驱动桥，其中第一变速驱动桥包括用于驱动第一轴的第一液压马达; 第二驱动桥，其布置在所述车辆的后部或前部的另一个处，其中所述第二变速驱动桥包括用于驱动第二轴的第二液压马达; 用于向第一和第二液压马达提供流体的液压泵; 割草机 用于传送由割草机割草的草的管道，其中所述第一变速驱动桥设置在所述管道上方; 以及插入在所述第一轴与由所述第一轴驱动的车轮的轴向中心轴之间的垂直动力传动系，其中所述动力传动系设置在所述管道的外侧。

    Hydrostatic transaxle
    7.
    发明授权
    Hydrostatic transaxle 有权
    静水驱动桥

    公开(公告)号：US07900735B2

    公开(公告)日：2011-03-08

    申请号：US12714710

    申请日：2010-03-01

    申请人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    发明人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    IPC分类号： B60K17/30

    CPC分类号： B62D7/18 ,  B60K17/043 ,  B60K17/30 ,  B60Y2200/223 ,  B62D3/02 ,  B62D9/002 ,  B62D11/001 ,  B62D11/06 ,  F16H39/14

    摘要： A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle.

    摘要翻译： 静压驱动桥包括：电动机壳体; 设置在所述电动机壳体中的至少一个液压马达; 至少一个输出轴，设置在所述马达壳体中，以被所述至少一个液压马达驱动; 以及一对可转动的轮支撑单元，其附接到马达壳体的相应的相对端。 每个可转向轮支撑单元包括一个轴，可转向的壳体，轮子和转向臂。 在每个可转向的车轮支撑单元中，轴被驱动地连接到至少一个输出轴，可转向的壳体相对于电动机壳体基本水平地可旋转，车轮附接在轴的外端， 壳体，并且转向臂可旋转地一体地设置在可转向的壳体上。 静液压驱动桥进一步包括一对连接杆，用于将可转向轮支撑单元的转向臂连接到从静压驱动桥向前或向后间隔的转向操作机构的公共旋转构件。

    Hydrostatic transaxle and hydraulically driven vehicle
    8.
    发明授权
    Hydrostatic transaxle and hydraulically driven vehicle 有权
    静液压驱动桥和液压驱动车辆

    公开(公告)号：US07588103B2

    公开(公告)日：2009-09-15

    申请号：US11214056

    申请日：2005-08-30

    申请人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    发明人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    IPC分类号： B60K17/356

    CPC分类号： B60K17/356 ,  B60W2300/156 ,  B60W2510/20 ,  B60Y2200/223 ,  F16H61/40 ,  F16H61/427 ,  F16H61/456

    摘要： A hydrostatic transaxle, comprises: a transaxle casing; a pair of left and right axles disposed in the transaxle casing; a pair of hydraulic motors for driving the respective axles; and a pair of left and right steerable drive wheels disposed on left and right outsides of the transaxle casing so as to be drivingly connected to the respective axles. The hydraulic motors are disposed in the housing so as to be fluidly connected to a common hydraulic pressure source in parallel to each other. One of the hydraulic motors is a fixed displacement hydraulic motor, and the other is a variable displacement hydraulic motor. Displacement of the variable displacement hydraulic motor is changed according to change of steered angles of the drive wheels.

    摘要翻译： 一种静压驱动桥，包括：一个驱动桥; 一对左轴和右轴设置在驱动桥上; 一对用于驱动各轴的液压马达; 以及一对左右可转向驱动轮，其设置在驱动桥壳体的左右外侧，以便驱动地连接到相应的轴。 液压马达设置在壳体中，以便彼此平行地流体地连接到共同的液压源。 液压马达中的一个是固定位移液压马达，另一个是可变排量液压马达。 可变排量液压马达的位移根据驱动轮的转向角度的变化而变化。

    Hydraulically driven vehicle
    9.
    发明申请
    Hydraulically driven vehicle 审中-公开
    液压驱动车辆

    公开(公告)号：US20060278459A1

    公开(公告)日：2006-12-14

    申请号：US11449859

    申请日：2006-06-09

    申请人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    发明人： Koji Iwaki ,  Norihiro Ishii ,  Fumitoshi Ishino

    IPC分类号： B60K17/356

    CPC分类号： B60K17/356 ,  B60W2300/156 ,  B60W2510/20 ,  B60Y2200/223 ,  F16H61/40 ,  F16H61/427 ,  F16H61/456

    摘要： A hydrostatic transaxle, comprises: a transaxle casing; a pair of left and right axles disposed in the transaxle casing; a pair of hydraulic motors for driving the respective axles; and a pair of left and right steerable drive wheels disposed on left and right outsides of the transaxle casing so as to be drivingly connected to the respective axles. The hydraulic motors are disposed in the housing so as to be fluidly connected to a common hydraulic pressure source in parallel to each other. One of the hydraulic motors is a fixed displacement hydraulic motor, and the other is a variable displacement hydraulic motor. Displacement of the variable displacement hydraulic motor is changed according to change of steered angles of the drive wheels.

    摘要翻译： 一种静压驱动桥，包括：一个驱动桥; 一对左轴和右轴设置在驱动桥上; 一对用于驱动各轴的液压马达; 以及一对左右可转向驱动轮，其设置在驱动桥壳体的左右外侧，以便驱动地连接到相应的轴。 液压马达设置在壳体中，以便彼此平行地流体地连接到共同的液压源。 液压马达中的一个是固定位移液压马达，另一个是可变排量液压马达。 可变排量液压马达的位移根据驱动轮的转向角度的变化而变化。

    Power transmission system of hydraulically driven working vehicle
    10.
    发明申请
    Power transmission system of hydraulically driven working vehicle 有权
    液压驱动作业车辆动力传动系统

    公开(公告)号：US20060260303A1

    公开(公告)日：2006-11-23

    申请号：US11433551

    申请日：2006-05-15

    申请人： Norihiro Ishii ,  Koji Iwaki ,  Fumitoshi Ishino

    发明人： Norihiro Ishii ,  Koji Iwaki ,  Fumitoshi Ishino

    IPC分类号： F16D39/00

    CPC分类号： F16D31/02 ,  A01D69/03 ,  B60K17/10 ,  B60K17/356 ,  B60Y2200/223

    摘要： A power transmission system of a hydraulically driven working vehicle comprises: a prime mover supported by a vehicle frame, the prime mover including a prime mover output shaft projecting in the fore-and-aft direction of the vehicle; a pump housing; a hydraulic pump disposed in the pump housing, the hydraulic pump including a pump shaft projecting from the pump housing in the fore-and-aft direction of the vehicle so as to be drivingly connected to the prime mover output shaft; a first hydraulic motor disposed outside the pump housing so as to be fluidly connected to the hydraulic pump; a transaxle supported by one of front and rear portions of the vehicle frame, the transaxle including a transaxle housing, a pair of axles disposed in the transaxle housing so as to be driven by the hydraulic motor, and a differential gear unit disposed in the transaxle housing so as to be drivingly interposed between the hydraulic motor and the pair of axles; a PTO shaft; and a working power train extracting a part of power transmitted from the prime mover output shaft to the pump shaft and transmitting the extracted power to the PTO shaft.

    摘要翻译： 液压驱动作业车辆的动力传动系统包括：由车架支撑的原动机，原动机包括沿车辆前后方向突出的原动机输出轴; 泵壳; 设置在所述泵壳体内的液压泵，所述液压泵包括从所述泵壳体沿所述车辆的前后方向突出的泵轴，以便驱动地连接到所述原动机输出轴; 第一液压马达，其设置在所述泵壳体的外部，以流体地连接到所述液压泵; 由所述车架的前后部支撑的变速驱动桥，所述变速驱动桥包括变速驱动桥壳体，设置在所述驱动桥壳体中以由所述液压马达驱动的一对轴，以及配置在所述变速驱动桥中的差动齿轮单元 壳体，以便驱动地插入在液压马达和所述一对轴之间; PTO轴; 以及工作动力系提取从原动机输出轴传递到泵轴的动力的一部分，并将提取的动力传递到PTO轴。