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1. 发明授权

US06591936B2 Driving apparatus for speed changing and steering of a vehicle 失效
公开(公告)号：US06591936B2
公开(公告)日：2003-07-15
申请号：US09837418
申请日：2001-04-19
申请人： Robert Abend , Kerwyn Stoll
发明人： Robert Abend , Kerwyn Stoll
IPC分类号： B60K1710
CPC分类号： B62D11/18 , B60K17/105 , B60Y2200/223
摘要： A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the second driving unit has a common structure, which comprises a housing and an HST and left and right differential output shafts contained in the housing. A left first differential output shaft and a left second differential output shaft are connected with each other so as to be rotated in the same direction, and a right first differential output shaft and a right second differential output shaft are connected with each other so as to be rotated in opposite directions. Both first and second HSTs of the first driving unit and a second driving unit receives power from engine through a common single belt. A movable swash plate of a hydraulic pump of the first HST is connected to a speed change pedal and a movable swash plate of a hydraulic pump of the second HST is connected to a steering wheel.

2. 发明授权

US06648094B2 Driving apparatus for speed changing and steering of a vehicle 失效
标题翻译：用于车辆变速和转向的驱动装置
公开(公告)号：US06648094B2
公开(公告)日：2003-11-18
申请号：US09837419
申请日：2001-04-19
申请人： Robert Abend , Kerwyn Stoll
发明人： Robert Abend , Kerwyn Stoll
IPC分类号： B60K1710
CPC分类号： B62D11/18 , B60K17/105 , B60Y2200/223
摘要： A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the second driving unit has a common structure, which comprises a housing and an HST and left and right differential output shafts contained in the housing. A left first differential output shaft and a left second differential output shaft are connected with each other so as to be rotated in the same direction, and a right first differential output shaft and a right second differential output shaft are connected with each other so as to be rotated in opposite directions. Both first and second HSTs of the first driving unit and a second driving unit receives power from engine through a common single belt. A movable swash plate of a hydraulic pump of the first HST is connected to a speed change pedal and a movable swash plate of a hydraulic pump of the second HST is connected to a steering wheel.
摘要翻译：一种用于车辆的变速和转向的驱动装置包括用于前进和反向变速的第一驱动单元和用于转向的第二驱动单元，其被布置成纵向排并附接到车辆底盘。第一驱动单元和第二驱动单元中的每一个具有共同的结构，其包括外壳和HST以及容纳在壳体中的左右差分输出轴。左第一差动输出轴和左第二差速器输出轴彼此连接以沿相同方向旋转，右第一差速器输出轴和右第二差速器输出轴彼此连接，以便沿相反方向旋转。第一驱动单元的第一和第二HST和第二驱动单元通过公共单个皮带从发动机接收功率。第一HST的液压泵的可动斜盘连接到变速踏板，并且第二HST的液压泵的可动斜盘连接到方向盘。

3. 发明授权

US07044259B2 Hydraulic transmission for driving and steering wheels 失效
标题翻译：用于驾驶和方向盘的液压传动
公开(公告)号：US07044259B2
公开(公告)日：2006-05-16
申请号：US10410145
申请日：2003-04-10
申请人： Kerwyn Stoll , Norihiro Ishii
发明人： Kerwyn Stoll , Norihiro Ishii
IPC分类号： B60K17/356
CPC分类号： B60K17/356
摘要： In a hydraulic transmission for driving and steering wheels of a vehicle, which has at least a first pair of laterally disposed wheels, a first hydraulic pump is operatively connected to a driving source with inlet/outlet ports respectively and fluidly connected to a high pressure side and a low pressure side of the parallel fluid passages. A second hydraulic pump is operatively connected to the driving source and having inlet/outlet ports respectively and fluidly connected to high and low pressure sides of the fluid passages between the second pair of hydraulic motors. The first hydraulic pump is of a variable displacement type that varies the amount of hydraulic fluid to be discharged and supplied, based upon the displacement amount of a first output adjustment member, in which the displacement amount is varied by operating the first output adjustment member via a driving-speed operation member. The second hydraulic pump is of a variable displacement type that varies the amount of hydraulic fluid to be discharged and sucked, based upon the displacement amount of a second output adjustment member, in which the displacement amount is varied by operating the second output adjustment member via a steering operation member. Rotational power is input from each of the second pair of hydraulic motors to a corresponding one of the output shafts of the first pair of hydraulic motors by a magnitude corresponding to the operational amount of the steering operation member in a different rotational direction from each other.
摘要翻译：在具有至少第一对横向设置的车轮的车辆的驱动和方向盘的液压变速器中，第一液压泵可操作地连接到具有入口/出口端口的驱动源，并且流体地连接到高压侧和平行流体通道的低压侧。第二液压泵可操作地连接到驱动源并且具有分别流体连接到第二对液压马达之间的流体通道的高压侧和低压侧的入口/出口。第一液压泵是可变排量型的，其基于通过操作第一输出调节件通过操作第一输出调节件而改变位移量的第一输出调节件的位移量来改变要排出和供应的液压流体的量驱动速度操作部件。第二液压泵是可变排量型的，其基于通过操作第二输出调节构件而经由第二输出调节构件的操作来改变位移量的第二输出调节构件的位移量来改变要排出和吸取的液压流体的量转向操作构件。旋转动力从第二对液压马达的每一个输入到第一对液压马达的输出轴的对应的一个输出轴，其大小对应于转向操作构件在不同旋转方向上的操作量。

4. 发明授权

US06874593B2 Driving apparatus for speed changing and steering of a vehicle 失效
标题翻译：用于车辆变速和转向的驱动装置
公开(公告)号：US06874593B2
公开(公告)日：2005-04-05
申请号：US10673377
申请日：2003-09-30
申请人： Robert Abend , Kerwyn Stoll
发明人： Robert Abend , Kerwyn Stoll
IPC分类号： B60K17/10 , B62D11/18 , B60K17/00 , B62D11/00
CPC分类号： B62D11/18 , B60K17/105 , B60Y2200/223
摘要： A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the second driving unit has a common structure, which comprises a housing and an HST and left and right differential output shafts contained in the housing. A left first differential output shaft and a left second differential output shaft are connected with each other so as to be rotated in the same direction, and a right first differential output shaft and a right second differential output shaft are connected with each other so as to be rotated in opposite directions. Both first and second HSTs of the first driving unit and a second driving unit receives power from engine through a common single belt. A movable swash plate of a hydraulic pump of the first HST is connected to a speed change pedal and a movable swash plate of a hydraulic pump of the second HST is connected to a steering wheel.
摘要翻译：用于车辆的变速和转向的驱动装置包括用于前进和反向变速的第一驱动单元和用于转向的第二驱动单元，其被布置成纵向排并附接到车辆底盘。第一驱动单元和第二驱动单元中的每一个具有共同的结构，其包括外壳和HST以及容纳在壳体中的左右差分输出轴。左第一差动输出轴和左第二差速器输出轴彼此连接以沿相同方向旋转，右第一差速器输出轴和右第二差速器输出轴彼此连接，以便沿相反方向旋转。第一驱动单元的第一和第二HST和第二驱动单元通过公共单个皮带从发动机接收功率。第一HST的液压泵的可动斜盘连接到变速踏板，并且第二HST的液压泵的可动斜盘连接到方向盘。

5. 发明授权

US06651770B2 Driving apparatus for speed changing and steering of a vehicle 失效
公开(公告)号：US06651770B2
公开(公告)日：2003-11-25
申请号：US09967992
申请日：2001-10-02
申请人： Robert Abend , Kerwyn Stoll
发明人： Robert Abend , Kerwyn Stoll
IPC分类号： B60K1710
CPC分类号： B62D11/18 , B60K17/105 , B60Y2200/223
摘要： A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the second driving unit has a common structure, which comprises a housing and an HST and left and right differential output shafts contained in the housing. A left first differential output shaft and a left second differential output shaft are connected with each other so as to be rotated in the same direction, and a right first differential output shaft and a right second differential output shaft are connected with each other so as to be rotated in opposite directions. Both first and second HSTs of the first driving unit and a second driving unit receives power from engine through a common single belt. A movable swash plate of a hydraulic pump of the first HST is connected to a speed change pedal and a movable swash plate of a hydraulic pump of the second HST is connected to a steering wheel.

6. 发明授权

US06629577B1 Driving apparatus for speed changing and steering of a vehicle 失效
公开(公告)号：US06629577B1
公开(公告)日：2003-10-07
申请号：US09700147
申请日：2000-11-13
申请人： Robert Abend , Kerwyn Stoll
发明人： Robert Abend , Kerwyn Stoll
IPC分类号： B60K1710
CPC分类号： B62D11/18 , B60K17/105 , B60Y2200/223
摘要： A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Each of the first driving unit and the second driving unit has a common structure, which comprises a housing and an HST and left and right differential output shafts contained in the housing. A left first differential output shaft and a left second differential output shaft are connected with each other so as to be rotated in the same direction, and a right first differential output shaft and a right second differential output shaft are connected with each other so as to be rotated in opposite directions. Both first and second HSTs of the first driving unit and a second driving unit receives power from engine through a common single belt. A movable swash plate of a hydraulic pump of the first HST is connected to a speed change pedal and a movable swash plate of a hydraulic pump of the second HST is connected to a steering wheel.

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