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1. 发明授权

US07490692B2 Axle driving unit for a lawn tractor 失效
标题翻译：用于草坪拖拉机的车轴驱动单元
公开(公告)号：US07490692B2
公开(公告)日：2009-02-17
申请号：US11773670
申请日：2007-07-05
申请人： Robert Abend , Norihiro Ishii , Ryota Ohashi
发明人： Robert Abend , Norihiro Ishii , Ryota Ohashi
IPC分类号： B60K17/00
CPC分类号： A01D34/6806 , A01D69/03 , A01D2101/00 , B60K17/105 , B60Y2200/223 , Y10S56/04 , Y10S56/06 , Y10T74/2186
摘要： An axle driving unit includes an axle, a hydraulic pump, a hydraulic motor having a motor shaft on which an output gear is provided to be drivingly connected to said axle, a center section having a pump mounting surface and a motor mounting surface onto which the hydraulic pump and the hydraulic motor are mounted respectively so as to be fluidly connected with each other through the center section, a housing constituted by a first housing part and a second housing part joined to each other at a joint surface, a projection integrally formed on the center section so as to be fitted to the housing, thereby fixing a position of the center section relative to the housing, and a fastener fastening the center section to the first housing part. The pump mounting surface and said motor mounting surface may be disposed perpendicular to each other. Said pump mounting surface and said motor mounting surface are disposed perpendicular to each other. The projection may be extended in parallel to the pump mounting surface and perpendicular to the motor mounting surface.
摘要翻译：轴驱动单元包括轴，液压泵，具有马达轴的液压马达，输出齿轮设置在驱动上连接到所述轴上，具有泵安装表面的中心部分和马达安装表面，液压泵和液压马达分别安装成通过中心部分彼此流体连接，壳体由在接合表面处彼此接合的第一壳体部分和第二壳体部分构成，突出部一体地形成在所述中心部分被安装到所述壳体上，从而固定所述中心部分相对于所述壳体的位置，以及紧固所述中心部分到所述第一壳体部分的紧固件。泵安装表面和所述电机安装表面可以彼此垂直设置。所述泵安装表面和所述电机安装表面彼此垂直设置。突起可以平行于泵安装表面延伸并且垂直于电机安装表面。

2. 发明申请

US20070163254A1 Axle Driving Apparatus 失效
标题翻译：车轴驱动装置
公开(公告)号：US20070163254A1
公开(公告)日：2007-07-19
申请号：US11688558
申请日：2007-03-20
申请人： Robert ABEND , Norihiro Ishii , Ryota Ohashi
发明人： Robert ABEND , Norihiro Ishii , Ryota Ohashi
IPC分类号： F16D39/00
CPC分类号： A01D34/69 , A01D69/03 , A01D2101/00 , F16D31/02 , F16D39/00 , F16H39/14 , F16H47/02 , F16H2007/0808 , F16H2007/0874
摘要： An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) leaving a housing (40) and a single axle (20L), the single axle (20L) defining a proximal end portion rotatably mounted in the housing (40) and a distal end portion extending outwardly from a first side of the housing (40). An enlarged region is defined by the housing (40), with the enlarged region extending substantially perpendicular to the longitudinal axis of the single axle (20L). A hydraulic stepless speed change assembly (22) is disposed within the enlarged region. The speed change assembly (22) includes a hydraulic pump (52) having an input shaft (21) projecting from the enlarged region and includes a hydraulic motor (55) including an output shaft (74) drivingly connected to the single axle (20L). The first axle driving unit (18L) is used in conjunction with a second axle driving unit (18R) which is adjacently disposed to the first axle driving unit (18L) on the body frame of the vehicle and which is of substantially similar construction. However, the second axle driving unit (18R) features a single axle (20R) which extends outwardly from a second, opposite side of the housing (40) such that the axles (20L, 20R) are oppositely disposed.
摘要翻译：一种车轴驱动装置，用于安装在车辆的车身框架上并用于独立地旋转驱动轮构件。轴驱动装置包括离开壳体（40）和单轴（20L）的第一轴驱动单元（18L），单轴（20L）限定可旋转地安装在壳体（40）中的近端部分，以及从所述壳体（40）的第一侧向外延伸的远端部分。扩大区域由壳体（40）限定，扩大区域基本垂直于单轴（20L）的纵向轴线延伸。液压无级变速组件（22）设置在放大区域内。变速组件（22）包括具有从放大区域突出的输入轴（21）的液压泵（52），并且包括液压马达（55），液压马达（55）包括驱动地连接到单轴（20L ）。第一轴驱动单元（18L）与第二轴驱动单元（18R）一起使用，第二轴驱动单元（18R）相邻地布置在车辆的车身框架上的第一轴驱动单元（18L）上，并且其基本相似施工。然而，第二轴驱动单元（18R）具有从壳体（40）的第二相对侧向外延伸的单轴（20R），使得轴（20L，20R）相对设置。

3. 再颁专利

USRE39255E1 Axle driving apparatus 有权
公开(公告)号：USRE39255E1
公开(公告)日：2006-09-05
申请号：US10640580
申请日：1997-03-12
申请人： Norihiro Ishii , Ryota Ohashi
发明人： Norihiro Ishii , Ryota Ohashi
IPC分类号： B60K17/10
CPC分类号： F16D39/00 , F16H39/02 , Y10T74/2186
摘要： An axle driving apparatus consisting of a housing for compactly housing inner portions of axles, a hydrostatic transmission, and a transmitting mechanism for transmitting power to the axles from an output shaft of the hydrostatic transmission. The housing is partitioned by an internal wall into a chamber containing the hydrostatic transmission and a chamber containing the other transmitting mechanisms. The housing is filled with oil in common with both chambers. A trunnion for changing the output rotation of the hydrostatic transmission is disposed in parallel to the axles. A shock absorber is provided to prevent abrupt speed change. A differential locking device is attached to the differential gear to thereby improve the straightforward running capacity of the vehicle.

4. 发明授权

US06983815B2 Axle driving unit including a free-standing center section 失效
标题翻译：轴驱动单元包括一个独立的中心部分
公开(公告)号：US06983815B2
公开(公告)日：2006-01-10
申请号：US10847372
申请日：2004-05-18
申请人： Robert Abend , Norihiro Ishii , Ryota Ohashi
发明人： Robert Abend , Norihiro Ishii , Ryota Ohashi
IPC分类号： B60K17/00
CPC分类号： A01D34/6806 , A01D69/03 , A01D2101/00 , B60K17/105 , B60Y2200/223 , Y10S56/04 , Y10S56/06 , Y10T74/2186
摘要： An axle driving unit having a housing including at least two housing parts joined to each other through a joint surface, at least one of the housing parts including a recess formed in a wall thereof. The axle driving unit further includes a pair of hydraulic devices mounted perpendicular to each other on corresponding mounting surfaces of a center section. The center section further includes a portion extending outwardly parallel to the joint surface, the portion being fitted into the recess of the housing part.
摘要翻译：一种车轴驱动单元，其具有壳体，所述壳体包括通过接合表面彼此连接的至少两个壳体部分，所述壳体部分中的至少一个包括形成在其壁中的凹部。车轴驱动单元还包括在中心部分的相应安装表面上彼此垂直安装的一对液压装置。中心部分还包括平行于接头表面向外延伸的部分，该部分装配到壳体部分的凹部中。

5. 发明授权

US06568498B2 Axle driving unit for a lawn tractor 失效
公开(公告)号：US06568498B2
公开(公告)日：2003-05-27
申请号：US10101071
申请日：2002-03-20
申请人： Robert Abend , Norihiro Ishii , Ryota Ohashi
发明人： Robert Abend , Norihiro Ishii , Ryota Ohashi
IPC分类号： A60K1716
CPC分类号： A01D34/6806 , A01D69/03 , A01D2101/00 , B60K17/105 , B60Y2200/223 , Y10S56/04 , Y10S56/06 , Y10T74/2186
摘要： An axle driving unit having a housing (21,22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit is eccentrically mounted on a body frame (1) in proximity to the first driving wheel (3L). A speed change transmission (T) is disposed in an enlarged region of the housing that extends substantially perpendicularly with respect to the axles (17,18). The axle driving unit can thus be easily disposed to the side of a chute (6) of a rear-discharge type lawn tractor.

6. 发明授权

US08046992B2 Axle driving apparatus 有权
标题翻译：车轴驱动装置
公开(公告)号：US08046992B2
公开(公告)日：2011-11-01
申请号：US12365069
申请日：2009-02-03
申请人： Robert Abend , Norihiro Ishii , Ryota Ohashi
发明人： Robert Abend , Norihiro Ishii , Ryota Ohashi
IPC分类号： F16D31/02
CPC分类号： A01D34/69 , A01D69/03 , A01D2101/00 , F16D31/02 , F16D39/00 , F16H39/14 , F16H47/02 , F16H2007/0808 , F16H2007/0874
摘要： An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the single axle (20L) defining a proximal end portion rotatably mounted in the housing (40) and a distal end portion extending outwardly from a first side of the housing (40). An enlarged region is defined by the housing (40), with the enlarged region extending substantially perpendicular to the longitudinal axis of the single axle (20L). A hydraulic stepless speed change assembly (22) is disposed within the enlarged region. The speed change assembly (22) includes a hydraulic pump (52) having an input shaft (21) projecting from the enlarged region and includes a hydraulic motor (55) including an output shaft (74) drivingly connected to the single axle (20L). The first axle driving unit (18L) is used in conjunction with a second axle driving unit (18R) which is adjacently disposed to the first axle driving unit (18L) on the body frame of the vehicle and which is of substantially similar construction. However, the second axle driving unit (18R) features a single axle (20R) which extends outwardly from a second, opposite side of the housing (40) such that the axles (20L, 20R) are oppositely disposed.
摘要翻译：一种车轴驱动装置，用于安装在车辆的车身框架上并用于独立地旋转驱动轮构件。车轴驱动装置包括具有壳体（40）和单轴（20L）的第一轴驱动单元（18L），单轴（20L）限定可旋转地安装在壳体（40）中的近端部分，并且远端部分从壳体（40）的第一侧向外延伸。扩大区域由壳体（40）限定，扩大区域基本上垂直于单轴（20L）的纵向轴线延伸。液压无级变速组件（22）设置在放大区域内。变速组件（22）包括液压泵（52），其具有从放大区域突出的输入轴（21），并且包括液压马达（55），液压马达（55）包括驱动地连接到单轴（20L）的输出轴（74）。第一轴驱动单元（18L）与第二轴驱动单元（18R）结合使用，第二轴驱动单元（18R）相邻地布置在车辆的车身框架上的第一轴驱动单元（18L）上，并且具有基本相似的结构。然而，第二轴驱动单元（18R）具有从壳体（40）的第二相对侧向外延伸的单轴（20R），使得轴（20L，20R）相对设置。

7. 发明授权

US07971675B2 Hydraulic transaxle and vehicle comprising it 失效
标题翻译：液压传动桥和包括它的车辆
公开(公告)号：US07971675B2
公开(公告)日：2011-07-05
申请号：US12181790
申请日：2008-07-29
申请人： Norihiro Ishii , Koji Irikura , Ryota Ohashi , Shigenori Sakikawa
发明人： Norihiro Ishii , Koji Irikura , Ryota Ohashi , Shigenori Sakikawa
IPC分类号： B60K7/00 , B60K17/356
CPC分类号： F16H61/456 , B60K17/105 , B60K17/20 , B60K17/303 , B60K17/356 , F16H39/14 , F16H61/4035 , F16H61/4052 , F16H61/444
摘要： A hydraulic transaxle comprises a transaxle casing for supporting left and right axles, a pair of hydraulic motors disposed in the transaxle casing so as to drive the respective left and right axles, hydraulic ports provided in the transaxle casing so as to fluidly connect the pair of hydraulic motors in parallel to a common hydraulic pump, and a system for restricting or canceling differential rotation of the pair of hydraulic motors.
摘要翻译：液压驱动桥包括用于支撑左轴和右轴的变速驱动桥壳体，设置在变速驱动桥壳体中的一对液压马达，以驱动相应的左轴和右轴，设置在变速驱动桥壳体中的液压端口，以便将一对与普通液压泵并联的液压马达，以及用于限制或取消一对液压马达的差速旋转的系统。

8. 发明授权

US07621353B2 Vehicle transmission 有权
标题翻译：车辆传输
公开(公告)号：US07621353B2
公开(公告)日：2009-11-24
申请号：US10831307
申请日：2004-04-26
申请人： Norihiro Ishii , Ryota Ohashi
发明人： Norihiro Ishii , Ryota Ohashi
IPC分类号： B62D6/00
CPC分类号： B60K17/28 , B60K17/105 , B60Y2200/223 , B62D11/06 , F16H39/14 , Y10T74/18256
摘要： A vehicle transmission having a pair of left and right HSTs for driving respective axles is applicable for a riding lawn mower. The transmission comprises a center casing incorporating a distributing drive train. In the fore-and-aft direction, an input shaft of the distributing drive train projects from the center casing toward a prime mover, and a PTO shaft for driving a mower unit projects from the center casing opposite to the prime mover. A pair of left and right deceleration drive train casings for incorporating respective deceleration gear trains and supporting the respective axles are disposed on respective left and right sides of the center casing. A pair of left and right stepless transmission mechanisms, each of which is drivingly interposed between the distributing drive train and each of the deceleration gear trains in the deceleration gear train casings, are mounted on left and right side portions of the center casing opposite to the prime mover in the fore-and-aft direction.
摘要翻译：具有用于驱动各个轴的一对左右HST的车辆变速器适用于骑马割草机。传动装置包括结合有分配传动系的中心壳体。在前后方向上，分配传动系的输入轴从中心壳体向原动机突出，并且用于驱动割草机单元的PTO轴从与原动机相对的中心壳体突出。一对左右的减速传动系箱体，用于结合各减速齿轮系并支撑各轴，设置在中心壳体的左侧和右侧。一对左右的无级变速机构，其分别驱动地配置在分配传动系和减速齿轮系箱体中的每个减速齿轮系之间，安装在与中心壳体的相对的中心壳体的左右侧部分原动机在前后方向。

9. 发明授权

US07484364B2 Axle driving apparatus 失效
公开(公告)号：US07484364B2
公开(公告)日：2009-02-03
申请号：US11683531
申请日：2007-03-08
申请人： Robert Abend , Norihiro Ishii , Ryota Ohashi
发明人： Robert Abend , Norihiro Ishii , Ryota Ohashi
IPC分类号： F16D39/00
CPC分类号： A01D34/69 , A01D69/03 , A01D2101/00 , F16D31/02 , F16D39/00 , F16H39/14 , F16H47/02 , F16H2007/0808 , F16H2007/0874
摘要： An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the single axle (20L) defining a proximal end portion rotatably mounted in the housing (40) and a distal end portion extending outwardly from a first side of the housing (40). An enlarged region is defined by the housing (40), with the enlarged region extending substantially perpendicular to the longitudinal axis of the single axle (20L). A hydraulic stepless speed change assembly (22) is disposed within the enlarged region. The speed change assembly (22) includes a hydraulic pump (52) having an input shaft (21) projecting from the enlarged region and includes a hydraulic motor (55) including an output shaft (74) drivingly connected to the single axle (20L). The first axle driving unit (18L) is used in conjunction with a second axle driving unit (18R) which is adjacently disposed to the first axle driving unit (18L) on the body frame of the vehicle and which is of substantially similar construction. However, the second axle driving unit (18R) features a single axle (20R) which extends outwardly from a second, opposite side of the housing (40) such that the axles (20L, 20R) are oppositely disposed.

10. 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。

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