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    Power Transmission Apparatus for Working Vehicle
    1.
    发明申请
    Power Transmission Apparatus for Working Vehicle 审中-公开
    工作车辆动力传动装置

    公开(公告)号：US20070209456A1

    公开(公告)日：2007-09-13

    申请号：US11673205

    申请日：2007-02-09

    申请人： Koji Irikura ,  Masaru Iida ,  Ryota Ohashi

    发明人： Koji Irikura ,  Masaru Iida ,  Ryota Ohashi

    IPC分类号： F16H37/00

    CPC分类号： B60K17/105 ,  B60K17/28 ,  B60Y2200/223

    摘要： A power transmission apparatus for a working vehicle has substantially symmetrically disposed first and second transaxles, each of which supports a single axle, and a working apparatus driving power take-off device including an input member. A gear casing is spanned between the first and second transaxles. A primary drive shaft is disposed in the gear casing so as to be drivingly connected to a prime mover. A traveling drive train is disposed in the gear casing so as to drivingly connect the primary drive shaft to the input shafts of the respective transaxles. A working apparatus drive train is disposed in the gear casing so as to drivingly connect the primary drive shaft to the input member of the working apparatus driving power take-off device.

    摘要翻译： 一种用于作业车辆的动力传递装置具有基本对称地布置的第一和第二驱动桥，每个驱动桥支撑单个轴，以及包括输入构件的工作装置驱动动力输出装置。 齿轮箱跨越在第一和第二变速驱动桥之间。 主驱动轴设置在齿轮箱中，以驱动地连接到原动机。 行驶传动系设置在齿轮箱中，以将主驱动轴与各驱动桥的输入轴驱动连接。 工作装置传动系设置在齿轮箱中，以将主驱动轴与工作装置驱动动力输出装置的输入部件驱动连接。

    Hydraulic transaxle
    3.
    发明授权
    Hydraulic transaxle 有权
    液压传动桥

    公开(公告)号：US07234299B2

    公开(公告)日：2007-06-26

    申请号：US11278243

    申请日：2006-03-31

    申请人： Koji Irikura ,  Ryota Ohashi ,  Hiroshi Tottori

    发明人： Koji Irikura ,  Ryota Ohashi ,  Hiroshi Tottori

    IPC分类号： F16D39/00

    CPC分类号： F16D31/02

    摘要： An integrated hydraulic transaxle (IHT) comprises a hydrostatic transmission (HST), an axle driven by the HST, and a housing incorporating the HST and the axle. The HST includes a variable displacement hydraulic pump driven by a prime mover, and a hydraulic motor fluidly connected to the hydraulic pump. The hydraulic pump has a trunnion type movable swash plate. The internal displacement of the hydraulic motor is larger than the internal displacement of the hydraulic pump so as to increase the hydraulic deceleration activity of the HST. In the IHT, a mechanical deceleration drive train is interposed between the hydraulic motor and the axle. The mechanical deceleration activity of the mechanical deceleration drive train is reduced so far as the increase of the hydraulic deceleration activity of the HST.

    摘要翻译： 集成的液压驱动桥（IHT）包括静液压传动装置（HST），由HST驱动的车轴以及包含HST和轴的壳体。 HST包括由原动机驱动的可变排量液压泵和与液压泵流体连接的液压马达。 液压泵具有耳轴式可动斜盘。 液压马达的内部位移大于液压泵的内部位移，从而提高HST的液压减速度。 在IHT中，机械减速传动系被插入在液压马达和轴之间。 只要HST的液压减速活动的增加，机械减速传动系的机械减速度就会降低。

    Vehicle improved in steering
    5.
    发明授权
    Vehicle improved in steering 失效
    车辆转向改善

    公开(公告)号：US07431123B2

    公开(公告)日：2008-10-07

    申请号：US11189993

    申请日：2005-07-27

    申请人： Koji Irikura ,  Norihiro Ishii ,  Ryota Ohashi ,  Kenichi Takada ,  Hirohiko Kawada ,  Robert Abend ,  Keith J. Andrews ,  Toshiyuki Hasegawa ,  Hiroaki Shimizu

    发明人： Koji Irikura ,  Norihiro Ishii ,  Ryota Ohashi ,  Kenichi Takada ,  Hirohiko Kawada ,  Robert Abend ,  Keith J. Andrews ,  Toshiyuki Hasegawa ,  Hiroaki Shimizu

    IPC分类号： B60K17/10

    CPC分类号： A01D69/03 ,  B60K17/105 ,  B62D11/006 ,  B62D11/04 ,  B62D11/18 ,  B62D11/24 ,  F16H39/14

    摘要： A vehicle including an integral transaxle apparatus with axles, a driving hydrostatic transmission (HST), a steering HST, and a differential unit. Driving operating means for slanting operation of a first movable swash plate of the variable displacement driving hydraulic pump for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of a second movable swash plate of the variable displacement steering hydraulic pump so as to determine the leftward and rightward cornering angle are provided. The steering hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed according to the operation of the driving operating means, whereby the vehicle turns laterally in the same direction in response to the steering operating means whether the vehicle travels forward or backward.

    摘要翻译： 一种包括具有轴的整体式驱动桥装置，驱动静液压传动装置（HST），转向装置HST和差动装置的车辆。 用于使可变排量驱动液压泵的第一可动斜盘的倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置 提供可变排量转向液压泵，以确定左右拐角。 转向液压马达具有与驱动操作装置互锁的第三可动斜盘，使得第三可动斜盘的倾斜方向根据驾驶操作装置的操作而改变，由此车辆在相同方向上横向转动 到转向操作装置是否车辆前进或后退。

    Vehicle improved in steering
    6.
    发明申请
    Vehicle improved in steering 失效
    车辆转向改善

    公开(公告)号：US20050257983A1

    公开(公告)日：2005-11-24

    申请号：US11189993

    申请日：2005-07-27

    申请人： Koji Irikura ,  Norihiro Ishii ,  Ryota Ohashi ,  Kenichi Takada ,  Hirohiko Kawada ,  Robert Abend ,  Keith Andrews ,  Toshiyuki Hasegawa ,  Hiroaki Shimizu

    发明人： Koji Irikura ,  Norihiro Ishii ,  Ryota Ohashi ,  Kenichi Takada ,  Hirohiko Kawada ,  Robert Abend ,  Keith Andrews ,  Toshiyuki Hasegawa ,  Hiroaki Shimizu

    IPC分类号： A01D69/03 ,  B60K17/00 ,  B60K17/10 ,  B62D11/00 ,  B62D11/04 ,  B62D11/18 ,  B62D11/24 ,  F16H39/14

    CPC分类号： A01D69/03 ,  B60K17/105 ,  B62D11/006 ,  B62D11/04 ,  B62D11/18 ,  B62D11/24 ,  F16H39/14

    摘要： A vehicle is installed with an integral transaxle apparatus constructed so that a single housing contains left and right axles, a driving hydrostatic transmission (HST) having a variable displacement first hydraulic pump and a first hydraulic motor fluidly connected with each other, a steering HST having a variable displacement second hydraulic pump and a variable displacement second hydraulic motor fluidly connected with each other, and a differential unit differentially connecting the axles with each other so as to be driven regularly or reversely by the output of the driving HST and to differentially drive the axles while receiving the output of the steering HST, wherein the first hydraulic pump receives power of a prime mover and has a first movable swash plate, and the second hydraulic pump receives power of the prime mover independently of the first hydraulic pump and has a second movable swash plate. The vehicle is also provided with driving operating means for slanting operation of the first movable swash plate for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of the second movable swash plate so as to determine the leftward and rightward cornering angle. The second hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed oppositely with respect to its neutral position according to the travelling direction switching operation of the driving operating means, whereby the vehicle turns laterally in the same direction of leftward and rightward steering operation of the steering operating means whether the vehicle travels forward or backward.

    摘要翻译： 车辆安装有整体的驱动桥装置，其构造成使得单个壳体包含左轴和右轴，具有可变排量第一液压泵的驱动静液压变速器（HST）和彼此流体连接的第一液压马达，转向HST具有 相互流体连接的可变排量第二液压泵和可变排量第二液压马达，以及差动单元，其将轴彼此差分地连接，以便通过驱动HST的输出有规则地或相反地驱动，并差动驱动 同时接收转向HST的输出，其中第一液压泵接收原动机的动力并具有第一可动斜盘，并且第二液压泵独立于第一液压泵接收原动机的动力，并且具有第二 活动斜盘 车辆还设置有用于使第一可动斜盘倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置，以便 确定左右拐角。 第二液压马达具有与驱动操作装置互锁的第三可动斜盘，使得根据驱动操作装置的行进方向切换操作，第三可动斜盘的倾斜方向相对于其中立位置相反地改变，由此 在车辆向前或向后行驶时，车辆在与转向操作装置的向左和向右转向操作相同的方向上横向转动。

    Vehicle improved in steering
    7.
    发明授权
    Vehicle improved in steering 失效
    车辆转向改善

    公开(公告)号：US06397966B1

    公开(公告)日：2002-06-04

    申请号：US09489680

    申请日：2000-01-24

    申请人： Koji Irikura ,  Norihiro Ishii ,  Ryota Ohashi ,  Kenichi Takada ,  Hirohiko Kawada ,  Robert Abend ,  Keith J. Andrews ,  Toshiyuki Hasegawa ,  Hiroaki Shimizu

    发明人： Koji Irikura ,  Norihiro Ishii ,  Ryota Ohashi ,  Kenichi Takada ,  Hirohiko Kawada ,  Robert Abend ,  Keith J. Andrews ,  Toshiyuki Hasegawa ,  Hiroaki Shimizu

    IPC分类号： B62D1100

    CPC分类号： A01D69/03 ,  B60K17/105 ,  B62D11/006 ,  B62D11/04 ,  B62D11/18 ,  B62D11/24 ,  F16H39/14

    摘要： A vehicle is installed with an integral transaxle apparatus constructed so that a single housing contains left and right axles, a driving hydrostatic transmission (HST) having a variable displacement first hydraulic pump and a first hydraulic motor fluidly connected with each other, a steering HST having a variable displacement second hydraulic pump and a variable displacement second hydraulic motor fluidly connected with each other, and a differential unit differentially connecting the axles with each other so as to be driven regularly or reversely by the output of the driving HST and to differentially drive the axles while receiving the output of the steering HST, wherein the first hydraulic pump receives power of a prime mover and has a first movable swash plate, and the second hydraulic pump receives power of the prime mover independently of the first hydraulic pump and has a second movable swash plate. The vehicle is also provided with driving operating means for slanting operation of the first movable swash plate for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of the second movable swash plate so as to determine the leftward and rightward cornering angle. The second hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed oppositely with respect to its neutral position according to the travelling direction switching operation of the driving operating means, whereby the vehicle turns laterally in the same direction of leftward and rightward steering operation of the steering operating means whether the vehicle travels forward or backward.

    摘要翻译： 车辆安装有整体的驱动桥装置，其构造成使得单个壳体包含左轴和右轴，具有可变排量第一液压泵的驱动静液压变速器（HST）和彼此流体连接的第一液压马达，转向HST具有 相互流体连接的可变排量第二液压泵和可变排量第二液压马达，以及差动单元，其将轴彼此差分地连接，以便通过驱动HST的输出有规则地或相反地驱动，并差动驱动 同时接收转向HST的输出，其中第一液压泵接收原动机的动力并具有第一可动斜盘，并且第二液压泵独立于第一液压泵接收原动机的动力，并且具有第二 活动斜盘 车辆还设置有用于使第一可动斜盘倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置，以便 确定左右拐角。 第二液压马达具有与驱动操作装置互锁的第三可动斜盘，使得根据驱动操作装置的行进方向切换操作，第三可动斜盘的倾斜方向相对于其中立位置相反地改变，由此 在车辆向前或向后行驶时，车辆在与转向操作装置的向左和向右转向操作相同的方向上横向转动。

    Hydrostatic transaxle
    8.
    发明授权
    Hydrostatic transaxle 失效

    公开(公告)号：US07043908B2

    公开(公告)日：2006-05-16

    申请号：US10883729

    申请日：2004-07-06

    申请人： Koji Irikura ,  Ryota Ohashi ,  Hiroshi Tottori

    发明人： Koji Irikura ,  Ryota Ohashi ,  Hiroshi Tottori

    IPC分类号： F16D31/02

    CPC分类号： F16D31/02

    摘要： An integrated hydraulic transaxle (IHT) comprises a hydrostatic transmission (HST), an axle driven by the HST, and a housing incorporating the HST and the axle. The HST includes a variable displacement hydraulic pump driven by a prime mover, and a hydraulic motor fluidly connected to the hydraulic pump. The hydraulic pump has a trunnion type movable swash plate. The internal displacement of the hydraulic motor is larger than the internal displacement of the hydraulic pump so as to increase the hydraulic deceleration activity of the HST. In the IHT, a mechanical deceleration drive train is interposed between the hydraulic motor and the axle. The mechanical deceleration activity of the mechanical deceleration drive train is reduced so far as the increase of the hydraulic deceleration activity of the HST.

    Hydraulic Transaxle
    9.
    发明申请
    Hydraulic Transaxle 有权
    液压传动桥

    公开(公告)号：US20060174615A1

    公开(公告)日：2006-08-10

    申请号：US11278243

    申请日：2006-03-31

    申请人： Koji Irikura ,  Ryota Ohashi ,  Hiroshi Tottori

    发明人： Koji Irikura ,  Ryota Ohashi ,  Hiroshi Tottori

    IPC分类号： F16D39/00

    CPC分类号： F16D31/02

    摘要： An integrated hydraulic transaxle (IHT) comprises a hydrostatic transmission (HST), an axle driven by the HST, and a housing incorporating the HST and the axle. The HST includes a variable displacement hydraulic pump driven by a prime mover, and a hydraulic motor fluidly connected to the hydraulic pump. The hydraulic pump has a trunnion type movable swash plate. The internal displacement of the hydraulic motor is larger than the internal displacement of the hydraulic pump so as to increase the hydraulic deceleration activity of the HST. In the IHT, a mechanical deceleration drive train is interposed between the hydraulic motor and the axle. The mechanical deceleration activity of the mechanical deceleration drive train is reduced so far as the increase of the hydraulic deceleration activity of the HST.

    摘要翻译： 集成的液压驱动桥（IHT）包括静液压传动装置（HST），由HST驱动的车轴以及包含HST和轴的壳体。 HST包括由原动机驱动的可变排量液压泵和与液压泵流体连接的液压马达。 液压泵具有耳轴式可动斜盘。 液压马达的内部位移大于液压泵的内部位移，从而提高HST的液压减速度。 在IHT中，机械减速传动系被插入在液压马达和轴之间。 只要HST的液压减速活动的增加，机械减速传动系的机械减速度就会降低。