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1. 发明授权

US06659216B2 Vehicle improved steering 失效
标题翻译：车辆改善转向
公开(公告)号：US06659216B2
公开(公告)日：2003-12-09
申请号：US10122396
申请日：2002-04-16
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 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。

2. 发明授权

US06312354B1 Integral hydrostatic transaxle apparatus for driving and steering 失效
标题翻译：用于驾驶和转向的积分静液力驱动桥装置
公开(公告)号：US06312354B1
公开(公告)日：2001-11-06
申请号：US09489678
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： B62D1106
CPC分类号： B62D11/18
摘要： A transaxle apparatus is constructed so that left and right axles, two hydrostatic transmissions (HSTs), one for driving a vehicle and the other for steering it, and a differential unit for differentially connecting said axles with each other are together contained in a housing. The driving HST is disposed so that its hydraulic pump and motor are aligned along either a left or right side of the housing. The steering HST is disposed so that its hydraulic pump and motor are aligned along either a front or rear side of the housing. The differential unit is laterally opposite to the driving HST. Either the left or right axle crosses the driving HST between its hydraulic pump and motor. The two HSTs are provided with one or two flat center sections disposed in the housing. The cylinder blocks of the hydraulic pumps and motors of the two HSTs are mounted on either a top or bottom surface of the center section or sections. Power transmission mechanisms for transmitting output power from the hydraulic motors of the two HSTs into the differential unit are disposed on an opposite side of the center section(s) as the cylinder blocks. A charge pump may be attached onto the center section, and a conduit for sending fluid discharged from the charged pump into one or both HSTs may be partly extended outside the housing so as to be cooled by the atmosphere.
摘要翻译：传动桥装置被构造成使得左右轴，两个静液压变速器（HST），一个用于驱动车辆，另一个用于转向它，以及用于将所述轴彼此差分连接的差动单元一起被包含在壳体中。驱动HST被布置成使得其液压泵和马达沿壳体的左侧或右侧对准。转向HST被布置成使得其液压泵和马达沿壳体的前侧或后侧对准。差速单元与驱动HST横向相对。左或右轴与其液压泵和电机之间的驱动HST交叉。两个HST设置有设置在壳体中的一个或两个平的中心部分。两个HST的液压泵和马达的气缸体安装在中心部分的顶部或底部表面上。用于将两个HST的液压马达的输出功率传递到差速单元的动力传递机构设置在与气缸体一致的中心部分的相对侧上。电荷泵可以附接到中心部分，并且用于将从充电的泵排出的流体的一个或两个HST的导管部分地延伸到壳体外部，以便被大气冷却。

3. 发明授权

US07059433B2 Riding lawn mower 失效
公开(公告)号：US07059433B2
公开(公告)日：2006-06-13
申请号：US10852265
申请日：2004-05-25
申请人： Toshiyuki Hasegawa , Travis S McCloud , Keith J Andrews , Robert Abend
发明人： Toshiyuki Hasegawa , Travis S McCloud , Keith J Andrews , Robert Abend
IPC分类号： B62D11/00
CPC分类号： B60K17/105 , B60Y2200/223 , B62D11/006 , B62D11/18 , B62D11/183 , F16H47/04 , F16H2047/045
摘要： A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by an engine and the motor is drivingly changeable by operation of a speed change pedal. Output power from the motor is transmitted into a pair of first differential output shafts as axles through the first differential. The second HST is a combination of a hydraulic pump and motor. The second pump is driven by output power from the first HST and the second motor is drivingly changeable by operation of a steering wheel. A pair of second differential output shafts are rotated in opposite directions by output power of the motor, so that when turning, the first differential output shaft on the opposite side of the turning direction is accelerated.

4. 发明授权

US07431123B2 Vehicle improved in steering 失效
标题翻译：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。

5. 发明授权

US06397966B1 Vehicle improved in steering 失效
标题翻译：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。

6. 发明授权

US07360613B2 Transmission for speed changing and steering of a vehicle 失效
标题翻译：车辆变速和转向传动
公开(公告)号：US07360613B2
公开(公告)日：2008-04-22
申请号：US11418068
申请日：2006-05-05
申请人： Toshiyuki Hasegawa , Travis S. McCloud , Keith J. Andrews , Robert Abend
发明人： Toshiyuki Hasegawa , Travis S. McCloud , Keith J. Andrews , Robert Abend
IPC分类号： B62D11/00
CPC分类号： B60K17/105 , B60Y2200/223 , B62D11/006 , B62D11/18 , B62D11/183 , F16H47/04 , F16H2047/045
摘要： A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by an engine and the motor is drivingly changeable by operation of a speed change pedal. Output power from the motor is transmitted into a pair of first differential output shafts as axles through the first differential. The second HST is a combination of a hydraulic pump and motor. The second pump is driven by output power from the first HST and the second motor is drivingly changeable by operation of a steering wheel. A pair of second differential output shafts are rotated in opposite directions by output power of the motor, so that when turning, the first differential output shaft on the opposite side of the turning direction is accelerated.
摘要翻译：用于车辆的变速和转向的变速器包括第一HST和用于变速的第一差速器，以及用于转向的第二HST和第二差速器。第一个HST是液压泵和电机的组合。泵由发动机驱动，并且电动机通过变速踏板的操作而变化。来自马达的输出功率通过第一差速器传递到作为轴的一对第一差动输出轴。第二台HST是液压泵和电机的组合。第二泵由来自第一HST的输出功率驱动，并且第二电动机可通过方向盘的操作而变化。一对第二差速器输出轴通过马达的输出功率在相反方向旋转，从而当转动时，加速了与转动方向相反一侧的第一差动输出轴。

7. 发明授权

US06755264B2 Riding lawn mower 失效
标题翻译：骑马割草机
公开(公告)号：US06755264B2
公开(公告)日：2004-06-29
申请号：US10274942
申请日：2002-10-22
申请人： Toshiyuki Hasegawa , Travis S. McCloud , Keith J Andrews , Robert Abend
发明人： Toshiyuki Hasegawa , Travis S. McCloud , Keith J Andrews , Robert Abend
IPC分类号： B62D1100
CPC分类号： B60K17/105 , B60Y2200/223 , B62D11/006 , B62D11/18 , B62D11/183 , F16H47/04 , F16H2047/045
摘要： A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by an engine and the motor is drivingly changeable by operation of a speed change pedal. Output power from the motor is transmitted into a pair of first differential output shafts as axles through the first differential. The second HST is a combination of a hydraulic pump and motor. The second pump is driven by output power from the first HST and the second motor is drivingly changeable by operation of a steering wheel. A pair of second differential output shafts are rotated in opposite directions by output power of the motor, so that when turning, the first differential output shaft on the opposite side of the turning direction is accelerated.
摘要翻译：用于车辆的变速和转向的变速器包括第一HST和用于变速的第一差速器，以及用于转向的第二HST和第二差速器。第一个HST是液压泵和电机的组合。泵由发动机驱动，并且电动机通过变速踏板的操作而变化。来自马达的输出功率通过第一差速器传递到作为轴的一对第一差动输出轴。第二台HST是液压泵和电机的组合。第二泵由来自第一HST的输出功率驱动，并且第二电动机可通过方向盘的操作而变化。一对第二差速器输出轴通过马达的输出功率在相反方向旋转，从而当转动时，加速了与转动方向相反一侧的第一差动输出轴。

8. 发明授权

US06540633B1 Transmission for speed changing and steering of a vehicle 失效
标题翻译：车辆变速和转向传动
公开(公告)号：US06540633B1
公开(公告)日：2003-04-01
申请号：US09700923
申请日：2000-11-21
申请人： Toshiyuki Hasegawa , Travis S. McCloud , Keith J Andrews , Robert Abend
发明人： Toshiyuki Hasegawa , Travis S. McCloud , Keith J Andrews , Robert Abend
IPC分类号： B62D1106
CPC分类号： B60K17/105 , B60Y2200/223 , B62D11/006 , B62D11/18 , B62D11/183 , F16H47/04 , F16H2047/045
摘要： A transmission for speed changing and steering of a vehicle includes a first hydrostatic pump (52) and motor (53), a first differential (24′) for speed changing, a second hydrostatic pump (71) and motor (72), and a second differential (23′) for steering. A prime mover drives the first pump (52), and the second pump (71) is driven by the output from the first motor (53). The second motor (72) drives the second differential (23′) for steering the vehicle.
摘要翻译：用于车辆的变速和转向的变速器包括第一静液压泵（52）和马达（53），用于变速的第一差速器（24'），第二静液压泵（71）和马达（72），以及用于转向的第二差速器（23'）。原动机驱动第一泵（52），第二泵（71）由第一马达（53）的输出驱动。第二马达（72）驱动用于转向车辆的第二差速器（23'）。

9. 发明授权

US5697264A Power input unit of an axle driving system 失效
标题翻译：轴驱动系统的动力输入单元
公开(公告)号：US5697264A
公开(公告)日：1997-12-16
申请号：US550472
申请日：1995-10-30
申请人： Keith J. Andrews , Toshiyuki Hasegawa
发明人： Keith J. Andrews , Toshiyuki Hasegawa
IPC分类号： B60K11/08 , B60K17/10 , F16H37/06
CPC分类号： B60K17/105 , B60K11/08 , B60Y2200/223 , Y10T74/19088 , Y10T74/19149
摘要： The invention includes a working vehicle having a prime mover for horizontally outputting power to an axle driving system housing a transmission and a vertically projecting speed change input shaft. A gear box is detachably disposed at an upper portion of a housing of the axle driving system for transmitting power from the engine into the axle driving system. The gear box has an input shaft horizontally projecting therefrom and bevel gears such that the power transmitted horizontally from the engine changes direction in the gear box so that the power can be transmitted to the vertically disposed speed change input shaft of the transmission, which, in turn, drive the axles of the vehicle.
摘要翻译：本发明包括具有原动机的作业车辆，用于向容纳变速器的轴驱动系统和垂直投影的变速输入轴水平地输出动力。齿轮箱可拆卸地设置在车轴驱动系统的壳体的上部，用于将动力从发动机传递到车轴驱动系统中。齿轮箱具有从其水平突出的输入轴和锥齿轮，使得从发动机水平传递的动力在齿轮箱中改变方向，使得动力可以传递到变速器的垂直设置的变速输入轴，转动，驱动车辆的车轴。

10. 发明授权

US08256558B2 Differential system 有权
标题翻译：差分系统
公开(公告)号：US08256558B2
公开(公告)日：2012-09-04
申请号：US12912493
申请日：2010-10-26
申请人： Toshiyuki Hasegawa , Shuji Nishimoto
发明人： Toshiyuki Hasegawa , Shuji Nishimoto
IPC分类号： B60K17/34
CPC分类号： B60K17/34 , Y10T74/2186
摘要： A power take-off support portion, including a shaft hole and an outer side surface formed around the shaft hole, is formed on a transaxle housing. The outer side surface of the power take-off support portion is shaped to fit a power take-off casing supporting a power take-off shaft in a first direction. A power take-off casing includes a power take-off main casing member and a base casing member joined to each other. The base casing member is formed with an inner side surface and an outer side surface. The inner side surface and the outer side surface of the base casing member are shaped so that the power take-off shaft supported by the power take-off main casing member is oriented in a second direction different from the first direction when the inner side surface of the base casing member is fitted to the outer side surface of the power take-off support portion, and the outer side surface of the base casing member is fitted to the inner side surface of the power take-off main casing member.
摘要翻译：包括轴孔和形成在轴孔周围的外侧表面的动力输出支撑部分形成在变速驱动桥壳体上。动力输出支撑部分的外侧表面成形为在第一方向上配合支撑动力输出轴的动力输出壳体。动力输出壳体包括动力输出主壳体构件和彼此接合的基座壳体构件。基部壳体构件形成有内侧表面和外侧表面。基座壳体部件的内侧面和外侧面成形为使得由动力输出主壳体部件支撑的动力输出轴在与第一方向不同的第二方向上定向，所述底座壳体部件的外侧表面装配在所述动力输出支撑部的外侧面，并且所述基座壳体部件的外侧面嵌合在所述动力输出主壳体部件的内侧面。

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