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    Hydraulic transaxle apparatus
    4.
    发明申请
    Hydraulic transaxle apparatus 有权
    液压传动轴装置

    公开(公告)号：US20070060435A1

    公开(公告)日：2007-03-15

    申请号：US11517592

    申请日：2006-09-08

    申请人： Ryota Ohashi ,  Hideaki Okada ,  Shinichi Hirose ,  Hironori Sumomozawa

    发明人： Ryota Ohashi ,  Hideaki Okada ,  Shinichi Hirose ,  Hironori Sumomozawa

    IPC分类号： F16H47/04

    CPC分类号： F16H39/14 ,  A01D69/03 ,  B60Y2200/223

    摘要： A transaxle apparatus comprises: a housing; a hydrostatic transmission disposed in the housing, the hydrostatic transmission including a hydraulic pump receiving power from a prime mover, a first hydraulic motor driven in response to fluid supplied from the hydraulic pump, and a center section including an inner fluid passage for fluidly connecting the first hydraulic motor to the hydraulic pump; a first axle disposed in the housing and driven by the first hydraulic motor; a hydraulic actuator disposed outside the housing so as to drive a second axle disposed outside the housing; a port opened outside the housing so as to be fluidly connected to the hydraulic actuator; and a block interposed between the center section and the port in the housing, wherein a fluid passage is disposed in the block so as to connect the port to the inner fluid passage in the center section.

    摘要翻译： 驱动桥装置包括：壳体; 设置在壳体中的静液传动装置，静液传动装置包括从原动机接收动力的液压泵，响应于从液压泵供给的流体而驱动的第一液压马达，以及包括内部流体通道的中心部分， 第一液压马达到液压泵; 设置在壳体中并由第一液压马达驱动的第一轴; 液压致动器，其设置在所述壳体的外部，以驱动设置在所述壳体外部的第二轴; 在壳体外部开口以便液压地连接到液压致动器; 以及插入在壳体中的中心部分和端口之间的块体，其中流体通道设置在块体中，以将端口连接到中心部分中的内部流体通道。

    Hydraulic transaxle apparatus with flexible ports
    5.
    发明授权
    Hydraulic transaxle apparatus with flexible ports 有权
    具有弹性端口的液压传动桥装置

    公开(公告)号：US07455144B2

    公开(公告)日：2008-11-25

    申请号：US11517592

    申请日：2006-09-08

    申请人： Ryota Ohashi ,  Hideaki Okada ,  Shinichi Hirose ,  Hironori Sumomozawa

    发明人： Ryota Ohashi ,  Hideaki Okada ,  Shinichi Hirose ,  Hironori Sumomozawa

    IPC分类号： F16H47/04

    CPC分类号： F16H39/14 ,  A01D69/03 ,  B60Y2200/223

    摘要： A transaxle apparatus comprises: a housing; a hydrostatic transmission disposed in the housing, the hydrostatic transmission including a hydraulic pump receiving power from a prime mover, a first hydraulic motor driven in response to fluid supplied from the hydraulic pump, and a center section including an inner fluid passage for fluidly connecting the first hydraulic motor to the hydraulic pump; a first axle disposed in the housing and driven by the first hydraulic motor; a hydraulic actuator disposed outside the housing so as to drive a second axle disposed outside the housing; a port opened outside the housing so as to be fluidly connected to the hydraulic actuator; and a block interposed between the center section and the port in the housing, wherein a fluid passage is disposed in the block so as to connect the port to the inner fluid passage in the center section.

    摘要翻译： 驱动桥装置包括：壳体; 设置在壳体中的静液传动装置，静液传动装置包括从原动机接收动力的液压泵，响应于从液压泵供给的流体而驱动的第一液压马达，以及包括内部流体通道的中心部分， 第一液压马达到液压泵; 设置在壳体中并由第一液压马达驱动的第一轴; 液压致动器，其设置在所述壳体的外部，以驱动设置在所述壳体外部的第二轴; 在壳体外部开口以便液压地连接到液压致动器; 以及插入在壳体中的中心部分和端口之间的块体，其中流体通道设置在块体中，以将端口连接到中心部分中的内部流体通道。

    Hydraulic transaxle and hydraulically driven vehicle
    6.
    发明申请
    Hydraulic transaxle and hydraulically driven vehicle 有权
    液压传动桥和液压驱动车辆

    公开(公告)号：US20070186550A1

    公开(公告)日：2007-08-16

    申请号：US11502545

    申请日：2006-08-11

    申请人： Michio Tsukamoto ,  Norihiro Ishii ,  Hideaki Okada

    发明人： Michio Tsukamoto ,  Norihiro Ishii ,  Hideaki Okada

    IPC分类号： F16D39/00

    CPC分类号： B60K17/105 ,  B60K17/342 ,  B60K17/356 ,  B60Y2200/223 ,  F16H61/40 ,  F16H61/4043 ,  F16H61/4069

    摘要： A hydraulic transaxle comprises: an axle; a hydraulic pump driven by a prime mover; a hydraulic motor fluidly connected to the hydraulic pump so as to drive the axle; a bypass fluid circuit bypassing between suction and delivery ports of the hydraulic motor; a bypass valve provided in the bypass fluid circuit; a bypass operation device for selectively opening or closing the bypass valve; and a reset mechanism for closing the opened bypass valve.

    摘要翻译： 液压驱动桥包括：轴; 由原动机驱动的液压泵; 液压马达，流体地连接到所述液压泵以驱动所述轴; 旁路流体回路绕过液压马达的吸入口和输送口; 设置在旁路流体回路中的旁通阀; 用于选择性地打开或关闭旁通阀的旁路操作装置; 以及用于关闭打开的旁通阀的复位机构。

    Axle driving apparatus
    7.
    发明授权
    Axle driving apparatus 失效
    车轴驱动装置

    公开(公告)号：US06830115B2

    公开(公告)日：2004-12-14

    申请号：US10146952

    申请日：2002-05-17

    申请人： Hideaki Okada ,  Norihiro Ishii ,  Robert Abend ,  Krista Winfree

    发明人： Hideaki Okada ,  Norihiro Ishii ,  Robert Abend ,  Krista Winfree

    IPC分类号： B62D1100

    CPC分类号： B62D11/183 ,  B62D5/02 ,  B62D5/062 ,  B62D5/065 ,  B62D5/07 ,  B62D11/10 ,  B62D11/105 ,  B62D11/18

    摘要： An axle driving apparatus of the invention is available for an economical vehicle having a belt type stepless transmission. The axle driving apparatus includes a pair of axles connected to respective drive wheels, a propelling transmission mechanism, and a steering transmission mechanism. The propelling transmission mechanism is drivingly connected to said prime mover through said belt type stepless transmission so as to transmit speed-variable output rotation of said belt type stepless transmission to both said axles, thereby rotating said axles together at various speeds in a common direction selected from two opposite directions for forward and backward traveling of said vehicle. The steering transmission mechanism is drivingly connected to said prime mover so as to transmit two oppositely directive output rotations to said respective axles, thereby differentially rotating said axles at various differences of rotational speed between said axles. If the belt type stepless transmission comprises first and second belts through a variator pulley and the second belt is looped over an input pulley of the propelling transmission mechanism, the first belt may be looped over an input pulley of the steering transmission mechanism. Alternatively, the first belt may be looped over a power taking-out pulley provided on an input shaft of the steering transmission mechanism.

    摘要翻译： 本发明的车轴驱动装置可用于具有带式无级变速器的经济车辆。 车轴驱动装置包括连接到相应驱动轮的一对轴，推进传动机构和转向传动机构。 推进传动机构通过所述带式无级变速器驱动地连接到所述原动机，以便将所述带式无级变速器的变速输出旋转传递到两个所述轴，从而以所选择的共同方向以各种速度将所述轴旋转在一起 从所述车辆的前进和后退行驶的两个相反方向。 转向传动机构驱动地连接到所述原动机，以便将两个相反方向的输出旋转传递到所述各个轴，从而在所述轴之间以各种不同的转速差异地旋转所述轴。 如果带式无级变速器包括通过变速器滑轮的第一和第二带，并且第二带环绕在推进传动机构的输入滑轮上，则第一带可以环绕在转向传动机构的输入滑轮上。 或者，第一带可以环绕在设置在转向传动机构的输入轴上的取力皮带轮上。

    Axle driving apparatus
    8.
    发明授权
    Axle driving apparatus 有权
    车轴驱动装置

    公开(公告)号：US6073443A

    公开(公告)日：2000-06-13

    申请号：US129957

    申请日：1998-08-06

    申请人： Hideaki Okada ,  Norihiro Ishii

    发明人： Hideaki Okada ,  Norihiro Ishii

    IPC分类号： F16H39/14 ,  F16H57/04 ,  F16D31/02 ,  F16D39/00

    CPC分类号： F16H57/0412 ,  F16H39/14 ,  F16H57/027 ,  F16H57/0415 ,  F16H57/0421

    摘要： A hydrostatic transmission (HST) including a hydraulic pump is contained in a housing having upper and lower housings. An input shaft of the hydraulic pump projects outward from the upper housing. A cooling fan is provided on an upper end of the input shaft. A conduit is disposed within an area between the fan and the upper housing. The conduit extends between first and second couplings and is in communication with an oil sump formed in the housing. A pumping device, which rotates with the input shaft, is disposed within the second coupling for forcedly circulating oil between the conduit and the sump. Alternatively, a reservoir is disposed on an outer wall of the housing forming a second oil sump. A level of oil in the second oil sump is lower than a level of oil in the oil sump formed in the housing. The second oil sump communicates with the atmosphere whereas the oil sump formed in the housing is separated from the atmosphere. A siphon communicates both sumps with each other. The driving apparatus may incorporate either the conduit, the reservoir, or both the conduit and the reservoir.

    摘要翻译： 包括液压泵的液压传动（HST）包含在具有上壳体和下壳体的壳体中。 液压泵的输入轴从上壳体向外突出。 在输入轴的上端设有冷却风扇。 导管设置在风扇和上壳体之间的区域内。 导管在第一和第二联接器之间延伸并且与形成在壳体中的油底壳连通。 与输入轴一起旋转的泵送装置设置在第二联接器内，用于在导管和贮槽之间强制循环油。 或者，储存器设置在壳体的外壁上，形成第二油底壳。 第二油底壳中的油位低于在壳体中形成的油底壳中的油位。 第二油底壳与大气连通，而形成在壳体中的油底壳与大气分离。 虹吸管将两个水槽彼此通信。 驱动装置可以包括导管，储存器或导管和储存器两者。

    Axle driving apparatus
    9.
    发明授权
    Axle driving apparatus 失效
    车轴驱动装置

    公开(公告)号：US5456068A

    公开(公告)日：1995-10-10

    申请号：US246264

    申请日：1994-05-19

    申请人： Norihiro Ishii ,  Toshio Nagai ,  Hideaki Okada ,  Hidemi Harada

    发明人： Norihiro Ishii ,  Toshio Nagai ,  Hideaki Okada ,  Hidemi Harada

    IPC分类号： F04B1/20 ,  B60K17/10 ,  F04B1/32 ,  F16D39/00 ,  F01B3/00

    CPC分类号： B60K17/105 ,  F04B1/324

    摘要： An axle driving apparatus has in a housing a hydrostatic transmission with a variable displacement type hydraulic system having a slantingly movable swash plate. In one embodiment, the movable swash plate is manually slantingly operable. A leg member integrally extends from an inner wall of the housing, a lid for closing an opening of the housing, or a center section. The leg member has a support portion for supporting a shaft provided on an axis of rotation of the movable swash plate. Accordingly, the movable swash plate is suspended in the housing for slanting or pivoting movement.

    摘要翻译： 轴驱动装置在壳体中具有带有可倾斜运动的斜盘的可变排量型液压系统的静液压传动装置。 在一个实施例中，可移动斜盘是手动可倾斜地操作的。 腿构件从壳体的内壁一体地延伸，用于封闭壳体的开口的盖或中心部分。 腿部件具有用于支撑设置在可动斜盘的旋转轴线上的轴的支撑部分。 因此，可动斜盘悬挂在壳体中用于倾斜或枢转运动。

    Hydraulic transaxle and hydraulically driven vehicle
    10.
    发明授权
    Hydraulic transaxle and hydraulically driven vehicle 有权
    液压传动桥和液压驱动车辆

    公开(公告)号：US07469537B2

    公开(公告)日：2008-12-30

    申请号：US11502545

    申请日：2006-08-11

    申请人： Michio Tsukamoto ,  Norihiro Ishii ,  Hideaki Okada

    发明人： Michio Tsukamoto ,  Norihiro Ishii ,  Hideaki Okada

    IPC分类号： F16D31/02

    CPC分类号： B60K17/105 ,  B60K17/342 ,  B60K17/356 ,  B60Y2200/223 ,  F16H61/40 ,  F16H61/4043 ,  F16H61/4069

    摘要： A hydraulic transaxle comprises: an axle; a hydraulic pump driven by a prime mover; a hydraulic motor fluidly connected to the hydraulic pump so as to drive the axle; a bypass fluid circuit bypassing between suction and delivery ports of the hydraulic motor; a bypass valve provided in the bypass fluid circuit; a bypass operation device for selectively opening or closing the bypass valve; and a reset mechanism for closing the opened bypass valve.

    摘要翻译： 液压驱动桥包括：轴; 由原动机驱动的液压泵; 与液压泵流体连接以驱动车轴的液压马达; 旁路流体回路绕过液压马达的吸入口和输送口; 设置在旁路流体回路中的旁通阀; 用于选择性地打开或关闭旁通阀的旁路操作装置; 以及用于关闭打开的旁通阀的复位机构。