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公开(公告)号：US06802183B2
公开(公告)日：2004-10-12
申请号：US10463493
申请日：2003-06-18
IPC分类号： B60K17344
CPC分类号： F16H61/448 , B60K17/105 , B60K17/28 , B60Y2200/223 , B60Y2200/41 , F16H47/02 , F16H61/40 , F16H61/4026 , F16H61/4139 , F16H61/42 , F16H61/437 , Y10T74/19084 , Y10T74/19116 , Y10T74/19219
摘要： A hydrostatic transmission for vehicle interposed in a drive-power transmission path between a driving power source and a driving axle for non-stepwisely changing the speed of the vehicle includes an HST housing; a hydraulic pump unit having a pump shaft with first and second ends extending in a fore-aft direction of the vehicle away from each other; a hydraulic motor unit having a motor shaft for outputting the drive power from the motor shaft whose speed is non-stepwisely varied in cooperation with the hydraulic pump unit; a PTO unit having a PTO shaft extending in the fore-aft direction of the vehicle, the PTO shaft being operatively connected to the pump shaft; a charge pump unit for replenishing pressurized hydraulic fluid to a hydraulic circuit, the hydraulic circuit hydraulically connecting the hydraulic pump unit with the hydraulic motor unit, the charge pump unit including a charge pump body, and a charge pump case connected to the HST housing through its wall closer to the driving axle for supporting the charge pump body; the PTO shaft having an one end closer to the driving axle, the one end extending outwardly through the HST housing to have an outer extension positioned outside of the HST housing; and the charge pump case being designed so as to bearing-support the outer extension of the PTO shaft.
摘要翻译： 插入在驱动动力源和驱动轴之间的驱动力传递路径中用于非逐步改变车辆速度的车辆的静液压变速器包括：HST壳体; 具有泵轴的液压泵单元，所述泵轴具有沿车辆的前后方向彼此远离地延伸的第一和第二端; 液压马达单元，其具有用于从与所述液压泵单元协作的速度不是逐步变化的马达轴输出驱动力的马达轴; PTO单元，其具有沿车辆前后方向延伸的PTO轴，PTO轴可操作地连接到泵轴; 用于将加压液压流体补充到液压回路的电荷泵单元，液压回路将液压泵单元液压连接到液压马达单元，电荷泵单元包括电荷泵体，以及电荷泵壳体，其连接到HST壳体，通过 其壁更靠近用于支撑电荷泵体的驱动轴; 所述PTO轴具有更靠近所述驱动轴的一端，所述一端通过所述HST壳体向外延伸以具有定位在所述HST壳体外部的外延伸部; 并且电荷泵壳被设计成轴承支撑PTO轴的外部延伸部。
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公开(公告)号：US06571894B2
公开(公告)日：2003-06-03
申请号：US10185487
申请日：2002-06-26
IPC分类号： B60K2500
CPC分类号： B60K25/06 , A01D69/002 , B60K17/04 , B60K17/105 , B60K17/16 , B60K17/22 , B60K17/28 , B60Y2200/223 , B60Y2200/41 , F16H39/14 , F16H57/0493 , Y10T74/19149
摘要： A transmission mechanism and a pressure oil supply system therefor are provided for use in work vehicles provided with a work device externally of the body of the vehicle at longitudinal one side thereof, the transmission mechanism being simple in construction and serving to shorten the overall length of the vehicle while holding a transmission shaft interconnecting a PTO shaft and an input shaft for the work device close to a horizontal. A work vehicle provided with a work device in front of the vehicle body comprises a transmission 30 disposed between a differential gear unit 10 and an HST 20 and providing a travel cooperative mechanism, a PTO shaft projecting from the housing of the HST 20, and a PTO cooperative mechanism disposed in the housing for dividedly deriving power for the PTO shaft from the travel cooperative mechanism for the transmission of the power. The HST 20 comprises a hydraulic pump 22 having a pump shaft 22a for receiving an input at its rear end, and a hydraulic motor 23 having a motor shaft 23a for delivering a front wheel driving force and a rear wheel driving force from the front end and rear end thereof, respectively.
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73.发明授权Transmission mechanism of vehicle with HST and pressure oil feeding device for the mechanism 有权具有HST和压力给油装置的车辆传动机构公开(公告)号：US06457546B1
公开(公告)日：2002-10-01
申请号：US09485307
申请日：2000-05-15
IPC分类号： B60K1700
CPC分类号： B60K25/06 , A01D69/002 , B60K17/04 , B60K17/105 , B60K17/16 , B60K17/22 , B60K17/28 , B60Y2200/223 , B60Y2200/41 , F16H39/14 , F16H57/0493 , Y10T74/19149
摘要： A transmission mechanism and a pressure oil supply system therefor are provided for use in work vehicles provided with a work device externally of the body of the vehicle at longitudinal one side thereof, the transmission mechanism being simple in construction and serving to shorten the overall length of the vehicle while holding a transmission shaft interconnecting a PTO shaft and an input shaft for the work device close to a horizontal. A work vehicle provided with a work device in front of the vehicle body comprises a transmission 30 disposed between a differential gear unit 10 and an HST 20 and providing a travel cooperative mechanism, a PTO shaft projecting from the housing of the HST 20, and a PTO cooperative mechanism disposed in the housing for dividedly deriving power for the PTO shaft from the travel cooperative mechanism for the transmission of the power. The HST 20 comprises a hydraulic pump 22 having a pump shaft 22a for receiving an input at its rear end, and a hydraulic motor 23 having a motor shaft 23a for delivering a front wheel driving force and a rear wheel driving force from the front end and rear end thereof, respectively.
摘要翻译： 传动机构及其压力供油系统用于工作车辆的纵向一侧设置在车体的外部的工作装置，该传动机构的结构简单且用于缩短车辆的总长度 车辆同时保持将PTO轴和工作装置的输入轴互相接合在水平面上的传动轴。在车身前方设置有工作装置的工作车辆包括设置在差速齿轮单元10和 HST 20，提供行驶协调机构，从HST20的壳体突出的PTO轴，以及设置在壳体中的PTO协作机构，用于从行驶协调机构分离地导出用于PTO轴的动力用于传递动力 。 HST20包括具有用于在其后端接收输入的泵轴22a的液压泵22和具有用于从前端传递前轮驱动力和后轮驱动力的马达轴23a的液压马达23和 后端。
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公开(公告)号：US4802546A
公开(公告)日：1989-02-07
申请号：US144972
申请日：1988-01-19
IPC分类号： B62D5/06
CPC分类号： B62D5/06
摘要： A steering apparatus of both mechancial and hydraulic systems for a vehicle which devised the conventional steering box itself so as to attach a steering hydraulic valve directly to a steering case at the steering gear box, thereby being steerable by the steering gear box.
摘要翻译： 一种用于车辆的机械和液压系统的转向装置，其设计了传统的转向箱本身，以将转向液压阀直接附接到转向齿轮箱的转向箱，从而由转向齿轮箱转向。
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公开(公告)号：US07708531B2
公开(公告)日：2010-05-04
申请号：US10931095
申请日：2004-09-01
CPC分类号： F04B23/106 , F04B1/2014 , F04B1/2035
摘要： There is provided an axial piston device that includes a housing, a rotary shaft, a cylinder block, and a piston. The housing includes a housing body opened at a first end thereof and a plate disposed at the first end of the housing body. The rotary shaft is rotatably supported about an axis by the housing body and the plate. The cylinder block is rotated together with the rotary shaft and is accommodated inside the housing. The piston is accommodated in the cylinder block in slidable a manner in an axial direction. Furthermore, the plate is provided with a pair of first oil passages having first ends communicating with a discharge port and a suction port of the cylinder block and second ends opened to the surface of the plate, and a drain oil passage for allowing at least one of the first oil passages to communicate with an oil sump. The drain oil passage is provided with a rotary valve which can selectively switch a shutoff position at which the drain oil passage is shut off and a communication position at which the drain oil passage is communicated.
摘要翻译： 提供了一种轴向活塞装置，其包括壳体，旋转轴，气缸体和活塞。 壳体包括在其第一端开口的壳体和设置在壳体主体的第一端的板。 旋转轴通过壳体和板围绕轴线可旋转地支撑。 气缸体与旋转轴一起旋转并容纳在壳体内。 活塞以轴向方式可滑动地容纳在气缸体中。 此外，该板设置有一对第一油路，其具有与排出口和气缸体的吸入口连通的第一端和向板的表面开口的第二端，以及用于允许至少一个 的第一个油路与油底壳相通。 排水油路设置有能够选择性地切换排出油路被切断的切断位置的旋转阀和排水油路连通的连通位置。
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公开(公告)号：US07637332B2
公开(公告)日：2009-12-29
申请号：US11959426
申请日：2007-12-18
IPC分类号： B60K17/28
CPC分类号： B60K25/06 , A01D69/002 , B60K17/04 , B60K17/105 , B60K17/16 , B60K17/22 , B60K17/28 , B60Y2200/223 , B60Y2200/41 , F16H39/14 , F16H57/0493 , Y10T74/19149
摘要： A transmission mechanism and a pressure oil supply system therefor are provided for use in work vehicles provided with a work device externally of the body of the vehicle at longitudinal one side thereof, the transmission mechanism being simple in construction and serving to shorten the overall length of the vehicle while holding a transmission shaft interconnecting a PTO shaft and an input shaft for the work device close to a horizontal.A work vehicle provided with a work device in front of the vehicle body comprises a transmission 30 disposed between a differential gear unit 10 and an HST 20 and providing a travel cooperative mechanism, a PTO shaft projecting from the housing of the HST 20, and a PTO cooperative mechanism disposed in the housing for dividedly deriving power for the PTO shaft from the travel cooperative mechanism for the transmission of the power. The HST 20 comprises a hydraulic pump 22 having a pump shaft 22a for receiving an input at its rear end, and a hydraulic motor 23 having a motor shaft 23a for delivering a front wheel driving force and a rear wheel driving force from the front end and rear end thereof, respectively.
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公开(公告)号：US07523789B2
公开(公告)日：2009-04-28
申请号：US10594346
申请日：2005-03-25
IPC分类号： A01B59/043
CPC分类号： A01B59/067 , B62D49/02
摘要： A tractor of the present invention can reduce a manufacturing cost of a lift arm support body. The tractor is configured such that a lift arm is mounted on an upper portion of a transmission casing by way of a lift arm support body, the lift arm is hydraulically controllable by a hydraulic control valve by way of a hydraulic circuit body, and the hydraulic circuit body and the hydraulic control valve are fixed to the transmission casing as bodies separate from a lift arm support body.
摘要翻译： 本发明的拖拉机可以降低提升臂支撑体的制造成本。 拖拉机构造成使得提升臂通过提升臂支撑体安装在变速器壳体的上部上，提升臂由液压回路体由液压控制阀液压控制，液压 电路体和液压控制阀作为与提升臂支撑体分离的主体固定到变速器壳体。
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公开(公告)号：US07455145B2
公开(公告)日：2008-11-25
申请号：US11617278
申请日：2006-12-28
申请人： Koji Irikura , Norihiro Ishii , Shigenori Sakikawa
发明人： Koji Irikura , Norihiro Ishii , Shigenori Sakikawa
IPC分类号： B60K17/356
CPC分类号： F16H61/444 , B60K17/105 , B60K17/30 , B60K17/356 , B60K23/0808 , B60T11/21 , F16H39/04 , F16H47/02 , F16H61/42 , F16H61/423 , Y10T74/2186 , Y10T74/2188
摘要： A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a transaxle casing having an opening, the transaxle casing incorporating the differential gear unit and the drive shafts; a cover for covering the opening of the transaxle casing; a variable hydraulic motor having a movable swash plate, the hydraulic motor being provided on the inside of the cover; a motor control mechanism for controlling the movable swash plate, the motor control mechanism being provided on the outside of the cover; and a hydraulic oil port for oil supply and delivery to and from the hydraulic motor, the hydraulic oil port being provided on the outside of the cover.
摘要翻译： 转向驱动桥包括：左右驱动轴驱动地连接到相应的可转向轮; 差速齿轮单元，其将所述驱动轴彼此差分连接; 具有开口的变速驱动桥套管，包括差速齿轮单元的驱动轴套和驱动轴; 用于覆盖变速驱动桥壳体的开口的盖; 具有可动斜盘的可变液压马达，所述液压马达设置在所述盖的内侧; 用于控制可动斜盘的马达控制机构，马达控制机构设置在盖的外侧; 以及用于向液压马达供油的液压油口，液压油口设置在盖的外侧。
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79.发明授权Transmission mechanism for vehicles having HST and pressure oil supply system therefor 有权具有HST和压力油供应系统的车辆传动机构公开(公告)号：US07422077B2
公开(公告)日：2008-09-09
申请号：US11385481
申请日：2006-03-20
CPC分类号： B60K25/06 , A01D69/002 , B60K17/04 , B60K17/105 , B60K17/16 , B60K17/22 , B60K17/28 , B60Y2200/223 , B60Y2200/41 , F16H39/14 , F16H57/0493 , Y10T74/19149
摘要： A transmission mechanism and a pressure oil supply system therefor are provided for use in work vehicles provided with a work device externally of the body of the vehicle at longitudinal one side thereof, the transmission mechanism being simple in construction and serving to shorten the overall length of the vehicle while holding a transmission shaft interconnecting a PTO shaft and an input shaft for the work device close to a horizontal. A work vehicle provided with a work device in front of the vehicle body comprises a transmission disposed between a differential gear unit and an HST and providing a travel cooperative mechanism, a PTO shaft projecting from the housing of the HST, and a PTO cooperative mechanism disposed in the housing for dividedly deriving power for the PTO shaft from the travel cooperative mechanism for the transmission of the power. The HST comprises a hydraulic pump having a pump shaft for receiving an input at its rear end, and a hydraulic motor having a motor shaft for delivering a front wheel driving force and a rear wheel driving force from the front end and rear end thereof, respectively.
摘要翻译： 传动机构及其压力供油系统用于工作车辆的纵向一侧设置在车体的外部的工作装置，该传动机构的结构简单且用于缩短车辆的总长度 同时保持将PTO轴和用于工作装置的输入轴互连在水平方向上的传动轴。 在车身前方配备有作业装置的作业车辆包括设置在差速齿轮单元和HST之间的变速器，并且提供行驶协作机构，从HST的壳体突出的PTO轴以及设置在车架上的PTO协作机构 在用于传输动力的行驶协调机构中用于PTO轴的分离式动力的壳体中。 HST包括具有用于在其后端接收输入的泵轴的液压泵和具有用于分别从其前端和后端输送前轮驱动力和后轮驱动力的马达轴的液压马达 。
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80.发明授权公开(公告)号：US07370714B2
公开(公告)日：2008-05-13
申请号：US10822096
申请日：2004-04-12
CPC分类号： B60K17/105 , A01D34/6806 , A01D69/002 , B60K7/0015 , B60K17/043 , B60K2007/0046 , B60K2007/0061 , B60K2007/0084 , B60L2220/46 , B60Y2200/223 , Y10T74/2186
摘要： A power-dividing device for a working vehicle includes a case member, an input shaft supported by the case member so that a first end portion of the input shaft can be operatively connected to a driving source, a PTO unit having a PTO shaft supported by the case member so as to be offset with respect to the input shaft, a power transmission mechanism accommodated in the case member to transmit power from the input shaft to the PTO shaft, and a first pump unit having a first pump shaft operatively connected to the input shaft and being fluid-connected to an actuator disposed outside.
摘要翻译： 用于作业车辆的动力分配装置包括壳体构件，由壳体构件支撑的输入轴，使得输入轴的第一端部可操作地连接到驱动源，PTO单元具有由 壳体构件相对于输入轴偏移;容纳在壳体构件中以将动力从输入轴传递到PTO轴的动力传递机构;以及第一泵单元，其具有可操作地连接到 输入轴并流体连接到设置在外部的致动器。
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