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41. 发明授权

US07179190B2 Bull gear of a differential gear assembly 失效
标题翻译：差速齿轮总成的大齿轮
公开(公告)号：US07179190B2
公开(公告)日：2007-02-20
申请号：US11417158
申请日：2006-05-04
申请人： Koji Irikura
发明人： Koji Irikura
IPC分类号： F16H48/06
CPC分类号： F16H48/08 , F16H39/14 , F16H48/40 , F16H2048/085 , F16H2048/087 , F16H2048/385
摘要： A lower cost differential gear assembly capable of inputting driving force through a differential gear, whose teeth have sufficient strength is provided. To achieve the object, the differential gear is constructed by engaging a gear part provided with teeth at equal intervals on one of its perimeter surfaces, and a support part pivotally supported by right and left axles through engagement of a spline. Accordingly, the gear part can be formed from a high strength material and the support part can be formed from a lower cost material.
摘要翻译：提供能够通过差速齿轮输入驱动力的较低成本的差速齿轮组件，该差速齿轮的齿具有足够的强度。为了实现该目的，差速齿轮是通过在其周边表面之一上以相等的间隔啮合设有齿的齿轮部分构成的，以及通过接合花键枢转地由右轴和左轴支撑的支撑部分。因此，齿轮部分可以由高强度材料形成，并且支撑部分可以由较低成本的材料形成。

42. 发明申请

US20060213741A1 Automatic traction enhancement for transaxle 失效
公开(公告)号：US20060213741A1
公开(公告)日：2006-09-28
申请号：US11090097
申请日：2005-03-28
申请人： Donald Wieber , Koji Irikura
发明人： Donald Wieber , Koji Irikura
IPC分类号： F16D15/00
CPC分类号： F16H48/22 , F16D41/088 , F16H48/16 , F16H48/19 , F16H48/24 , F16H48/295 , F16H48/30 , F16H2048/204 , Y10T74/19005
摘要： A bi-directional overrunning clutch comprising an input gear, a pair of hubs, and a roller assembly is provided. Each hub is engaged to an end of one of a pair of shaft segments of a primary drive axle. The roller assembly is disposed within the input gear and about at least a portion of each hub. The roller assembly includes spring pins, extending from the roller assembly, with ball locks adapted to engage detents on the surface of each hub, so as to form spring pin engagements between the roller assembly and the hubs. In operation, rotation of the input gear causes rotation of the roller assembly. Thereafter, rotation of the roller assembly causes rotation of the hubs via the spring pin engagements. The spring pins, however, are generally adapted to disengage the spring pin engagements when one of the hubs rotates faster than the other hub.

43. 发明授权

US5511436A Vehicle transmission assembly 失效
标题翻译：车辆传动组件
公开(公告)号：US5511436A
公开(公告)日：1996-04-30
申请号：US152464
申请日：1993-11-12
申请人： Toshiyuki Hasegawa , Koji Irikura , Masaru Iida
发明人： Toshiyuki Hasegawa , Koji Irikura , Masaru Iida
IPC分类号： B60K17/00 , B60K17/08 , B60K17/28 , B60K17/34 , F16H3/08 , F16H3/085 , F16H3/093 , B60K17/02
CPC分类号： B60K17/28 , B60K17/00 , B60K17/08 , B60K17/34 , F16H3/085 , F16H3/093 , F16H37/043 , Y10T74/19233
摘要： A transmission assembly adapted to be mounted on a front of a vehicle axle casing as a substitute for a hydrostatic transmission comprises a transmission casing (1) and a drive shaft (2) at a high level, a speed-change shaft (4) at a low level, and an intermediate shaft (3) at a level intermediate between the drive and change shafts. These shafts extend within the transmission casing axially of this casing. The intermediate shaft is located aside in a direction across the casing. A clutch (5) is disposed on the drive shaft at an axial mid portion of this shaft, and a hollow shaft (6) which is driven to rotate by the drive shaft through the clutch is disposed on the drive shaft at one axial side of the clutch. A first mechanical speed-change mechanism (7) is disposed between the hollow shaft and intermediate shaft, whereas a second mechanical speed-change mechanism is disposed between the intermediate shaft and change shaft. Configuration of the transmission casing may be simplified, while the number of change ratios obtainable is greatly increased.
摘要翻译：适于安装在车轴壳体的前部作为静液压传动装置的变速器组件包括变速箱壳体（1）和高水平的驱动轴（2），变速轴（4）在低级别的中间轴（3）和位于驱动轴和变速轴之间的中间轴（3）。这些轴在该壳体的轴向内在传动壳内延伸。中间轴位于穿过外壳的方向上。离合器（5）在该轴的轴向中间部分设置在驱动轴上，并且通过离合器被驱动轴驱动的驱动轴的中空轴（6）设置在驱动轴的一个轴向侧离合器。第一机械变速机构（7）设置在中空轴和中间轴之间，而第二机械变速机构设置在中间轴与变速轴之间。可以简化变速器壳体的构造，而可获得的变化率的数量大大增加。

44. 发明授权

US4880070A Transmission assembly for self-propelled working vehicles 失效
标题翻译：自走式工作车辆传动总成
公开(公告)号：US4880070A
公开(公告)日：1989-11-14
申请号：US283629
申请日：1988-12-13
申请人： Koji Irikura
发明人： Koji Irikura
IPC分类号： B60K17/28
CPC分类号： B60K17/28
摘要： In a vehicle transmission assembly comprising a transmission casing (15) which supports axles (16) of forcedly driven rear wheels (12) and includes therein a rear-PTO shaft (18) and mid-PTO shaft (19), first input shaft (28) of a lower level and second input shaft (27) of a higher level for transmitting power into the transmission casing are provided such that the first input shaft is located aside in a direction across the casing. The first input shaft is connected drivingly to the wheel axles through a change speed gearing (31) disposed at a relatively high level, differential gearing (32) and final speed-reduction meshing gears (72, 73). A PTO-clutch (40) is disposed on the rear of the transmission casing between a drive shaft (38), co-axial with and coupled to the second input shaft, and a hollow clutch shaft (39) mounted rotatably on the drive shaft. The clutch shaft is connected drivingly to the respective PTO-shafts through a PTO-shaft drive assembly which is disposed at a rear end portion within the transmission casing and includes a PTO-selecting clutch (47). A compactness of the transmission assembly and transmission casing is assured owing to the arrangement of change speed gearing (31) and PTO-clutch (41).
摘要翻译：在一种车辆传动组件中，包括一个传动壳体（15），该传动壳体支撑强制驱动的后轮（12）的轴（16），并在其中包括一个后PTO轴（18）和中间PTO轴（19），第一输入轴具有较高水平的用于将动力传递到变速器壳体中的较低级别和第二输入轴（27）的第二输入轴（28）设置成使得第一输入轴位于穿过壳体的方向上。第一输入轴通过设置在相对较高水平的变速齿轮（31）和差速齿轮（32）和最终减速啮合齿轮（72,73）而驱动地连接到轮轴。 PTO离合器（40）设置在变速器壳体的后部与与第二输入轴同轴并联接的驱动轴（38）和可旋转地安装在驱动轴上的中空离合器轴（39）。离合器轴通过PTO轴驱动组件驱动地连接到相应的PTO轴，PTO轴驱动组件设置在变速箱壳体内的后端部分并且包括PTO选择离合器（47）。由于变速传动装置（31）和PTO离合器（41）的布置，传动组件和变速器壳体的紧凑性得到保证。

45. 发明授权

US07954907B1 Supplemental brake system of zero turn vehicle 有权
标题翻译：零转车辅助制动系统
公开(公告)号：US07954907B1
公开(公告)日：2011-06-07
申请号：US11860282
申请日：2007-09-24
申请人： Donald Wieber , Koji Irikura , Masaru Iida
发明人： Donald Wieber , Koji Irikura , Masaru Iida
IPC分类号： B60T13/74
CPC分类号： B60T11/21 , A01D69/10 , B60T1/062
摘要： A supplemental brake system of a zero turn vehicle has a prime mover, a brake pedal, a pair of axles, and a pair of transaxles driven by the prime mover so as to drive the respective axles. The transaxles include respective brakes for braking the respective axles according to depression of the brake pedal. Also included are supplemental braking means for stopping transmission of power from the prime mover to the pair of transaxles according to depression of the brake pedal.
摘要翻译：零转向车辆的补充制动系统具有原动机，制动踏板，一对轴和由原动机驱动的一对变速驱动桥，以驱动相应的轴。变速驱动桥包括用于根据制动踏板的下压制动各轴的各自的制动器。还包括用于根据制动踏板的下压停止从原动机向一对变速驱动桥传递动力的补充制动装置。

46. 发明授权

US07690469B2 Central differential for a working vehicle 失效
标题翻译：工作车辆的中央差速器
公开(公告)号：US07690469B2
公开(公告)日：2010-04-06
申请号：US11684300
申请日：2007-03-09
申请人： Koji Irikura , Donald Wieber
发明人： Koji Irikura , Donald Wieber
IPC分类号： B60K17/344
CPC分类号： F16D41/10 , B60K17/3505 , B60K23/06 , B60K23/0808 , B60Y2200/223 , F16H48/16 , F16H48/19 , F16H48/22 , F16H48/24 , F16H48/295 , F16H48/30 , F16H2048/204 , Y10T74/19005
摘要： Presented herein are four-wheel drive systems incorporating a bi-directional overrunning clutch design to control the torque transmission between front and rear transaxles. In accordance with one aspect of the present invention, there is provided a four-wheel drive system comprising a front transaxle, a rear transaxle, a transmission receiving drive power from a prime mover, and a bi-directional overrunning clutch drivingly coupled to an output shaft of the transmission and selectively coupled to the front and rear transaxle.
摘要翻译：这里提出的是四轮驱动系统，其包括双向超越离合器设计，以控制前驱动桥和后驱动桥之间的扭矩传递。根据本发明的一个方面，提供了一种四轮驱动系统，其包括前驱动桥，后驱动桥，从原动机接收驱动力的变速器和驱动地连接到输出的双向超越离合器变速器的轴，并选择性地联接到前驱动桥和后驱动桥。

47. 发明授权

US07493975B2 Multi-wheel vehicle 失效
标题翻译：多轮车
公开(公告)号：US07493975B2
公开(公告)日：2009-02-24
申请号：US11690459
申请日：2007-03-23
申请人： Koji Irikura
发明人： Koji Irikura
IPC分类号： B62D7/15 , B62D7/16
CPC分类号： B62D7/09 , B62D7/142 , B62D7/1509 , B62D9/00 , B62D11/18 , B62D11/183 , B62D11/24
摘要： A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechanism interposed between the steering operation device and the pair of running-driving wheels. The steering mechanism includes a pair of drive gears interlocking with the steering operation device and a pair of follower gears interlocking with the respective steerable running wheels. The drive gears mesh with the respective follower gears so as to control lateral turning of the respective steerable running wheels. A gear radius of the drive gear may be greater than that of the follower gear meshing with it. A gear ratio between the mutually meshing drive and follower gears may be variable. The lateral turning centers of both the steerable running wheels may coincide with each other, and further coincide with a lateral turning center of the vehicle body caused by differential rotation of the running-driving wheels.
摘要翻译：一种车辆包括转向操作装置，一对行驶驱动轮，其在操纵转向操作装置时差速驱动，一对与转向操作装置联动的可转向行驶轮，以及置于转向操作装置之间的转向机构和一对行驶驱动轮。转向机构包括与转向操作装置联锁的一对驱动齿轮和与相应的可转向行程轮联锁的一对从动齿轮。驱动齿轮与相应的从动齿轮啮合，以便控制各个可转向的行驶轮的横向转动。驱动齿轮的齿轮半径可能大于与其啮合的从动齿轮的齿轮半径。相互啮合的驱动和从动齿轮之间的齿轮比可以是可变的。两个可转向的行进轮的横向转向中心可能彼此重合，并且与行驶驱动轮的差速旋转引起的与车身的横向转动中心重合。

48. 发明申请

US20060191725A1 Multi-wheel vehicle 失效
公开(公告)号：US20060191725A1
公开(公告)日：2006-08-31
申请号：US11397796
申请日：2006-04-05
申请人： Koji Irikura
发明人： Koji Irikura
IPC分类号： B62D61/10
CPC分类号： B62D7/09 , B62D7/142 , B62D7/1509 , B62D9/00 , B62D11/18 , B62D11/183 , B62D11/24
摘要： A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechanism interposed between the steering operation device and the pair of running-driving wheels. The steering mechanism includes a pair of drive gears interlocking with the steering operation device and a pair of follower gears interlocking with the respective steerable running wheels. The drive gears mesh with the respective follower gears so as to control lateral turning of the respective steerable running wheels. A gear radius of the drive gear may be greater than that of the follower gear meshing with it. A gear ratio between the mutually meshing drive and follower gears may be variable. The lateral turning centers of both the steerable running wheels may coincide with each other, and further coincide with a lateral turning center of the vehicle body caused by differential rotation of the running-driving wheels.

49. 发明授权

US07004268B2 Vehicle having twin transmissions for driving respective wheels 失效
标题翻译：具有用于驱动相应车轮的双变速器的车辆
公开(公告)号：US07004268B2
公开(公告)日：2006-02-28
申请号：US10455306
申请日：2003-06-06
申请人： Koji Irikura
发明人： Koji Irikura
IPC分类号： B62D11/04
CPC分类号： B62D11/24 , B60K17/10 , B60K17/356 , B60K17/36 , B62D3/02 , B62D7/09 , B62D11/005 , B62D11/006
摘要： A vehicle comprises a vehicle frame, a prime mover mounted on the vehicle frame, a laterally turnable wheel disposed at one side of the vehicle frame, a pair of drive wheels disposed at the other side of the vehicle frame, a steering operation device, a traveling operation device for setting the traveling speed and direction of the vehicle, and a pair of transmissions for controlling the rotary speed and direction of the respective drive wheels. The transmissions are operationally connected with the steering operation device so as to create a difference of rotary speed between the drive wheels according to operation of the steering operation device. The transmissions are operationally connected with the traveling operation device so as to drive the drive wheels in a common rotary direction from their stationary state according to operation of the traveling operation device. A clutch is interposed between the transmissions so as to connect the drive wheels with each other when the steering operation device is set in a straight traveling position. Based on setting of a switching device for switching the traveling direction of the vehicle between forward and rearward, a reverser decides the rotational direction of the drive wheels.
摘要翻译：车辆包括车架，安装在车架上的原动机，设置在车架一侧的横向可转动轮，设置在车架另一侧的一对驱动轮，转向操作装置，用于设定车辆的行驶速度和方向的行驶操作装置，以及用于控制各个驱动轮的转速和方向的一对变速器。变速器与转向操作装置可操作地连接，以根据转向操作装置的操作产生驱动轮之间的转速差。变速器与行驶操作装置可操作地连接，以便根据行驶操作装置的操作将驱动轮从它们的静止状态沿共同的旋转方向驱动。当转向操作装置处于直线行进位置时，离合器插在变速器之间，以便将驱动轮彼此连接。基于用于切换前后方向的车辆行驶方向的切换装置的设定，反转器决定驱动轮的旋转方向。

50. 发明申请

US20050217262A1 Hydrostatic transmission with pressure regulation means 失效
标题翻译：静压传动带压力调节装置
公开(公告)号：US20050217262A1
公开(公告)日：2005-10-06
申请号：US11139480
申请日：2005-05-31
申请人： Kenichi Takada , Koji Irikura
发明人： Kenichi Takada , Koji Irikura
IPC分类号： F16D31/02 , F16D31/08 , F16H39/04 , F16H39/14 , F16H61/40 , F16H61/4026 , F16H61/4043 , F16H61/42 , F16H61/433
CPC分类号： F16H61/433 , F16D31/02 , F16D31/08 , F16H39/14 , F16H61/40 , F16H61/4017 , F16H61/4026 , F16H61/4131 , F16H61/42
摘要： A hydrostatic transmission comprising a housing formed with a fluid sump, a center section disposed within the fluid sump, a hydraulic pump mounted on the center section, and a hydraulic motor mounted on the center section. A fluid passage is formed in the center section for hydraulically connecting the hydraulic pump with the hydraulic motor. A bore is open at an outer surface of the center section in communication with the fluid passage. An output operation device is provided for controlling discharged fluid of the hydraulic pump. The output operation device is moved to an operational position from a neutral position. A piston having an outer surface is reciprocally inserted into the bore so as to be allowed to project outward from the center section. A valve is disposed within the bore for opening and closing the bore to and from the fluid passage. The valve is biased to be closed by a spring disposed between the valve and the piston. A member interlocks with the output operation device so as to contact with the outer surface of the piston. When the output operation device is adjacent to the neutral position and pressure fluid in the fluid passage forcedly opens the valve and flows into the bore, the member drains the fluid in the bore to a low-pressure area which is either the fluid sump or the fluid passage for returning fluid from the hydraulic motor to the hydraulic pump.
摘要翻译：一种静液传动装置，包括形成有流体贮槽的壳体，设置在流体槽内的中心部分，安装在中心部分上的液压泵以及安装在中心部分上的液压马达。在中心部分形成流体通道，用于将液压泵与液压马达液压连接。在与流体通道连通的中心部分的外表面处开有孔。提供一种用于控制液压泵的排出流体的输出操作装置。输出操作装置从中立位置移动到操作位置。具有外表面的活塞往复地插入孔中以允许从中心部分向外突出。阀设置在孔内，用于打开和关闭与流体通道相通的孔。阀被偏置以由设置在阀和活塞之间的弹簧关闭。 A构件与输出操作装置互锁，以便与活塞的外表面接触。当输出操作装置与中立位置相邻并且流体通道中的压力流体强制打开阀并流入孔中时，构件将孔中的流体排出到低压区域，该区域是流体池或用于将流体从液压马达返回到液压泵的流体通道。

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