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公开(公告)号：US08206264B2
公开(公告)日：2012-06-26
申请号：US13179082
申请日：2011-07-08
申请人： Eiji Nishi , Keishiro Nishi , Atsushi Shinkai , Yasunobu Nakatani
发明人： Eiji Nishi , Keishiro Nishi , Atsushi Shinkai , Yasunobu Nakatani
CPC分类号： B60W10/11 , B60W10/06 , F16H47/02 , F16H59/42 , F16H61/423 , F16H61/433 , F16H61/46 , F16H61/462 , F16H2059/6853 , Y10T74/19153 , Y10T477/631 , Y10T477/636 , Y10T477/676 , Y10T477/688
摘要： A load control structure for a work vehicle comprises: set rotation speed detection device for detecting a set rotation of an engine of the work vehicle; actual rotation speed detection device that senses an actual rotational speed of the engine; continuously variable speed change device that receives power from an engine of the work vehicle; speed change position detecting device for detecting a speed change operation position of the continuously variable speed change device; operating device for speed-shifting the continuously variable speed change device; control device for controlling the operation of the operating device; wherein the control device calculates a drop amount of the actual engine rotation speed from the set rotation speed based on the detected information from the set rotation speed detection device and the actual rotation speed detection device, and sets a limit operation position for the continuously variable speed change device based on the calculated drop amount and a correlation data that correlates the actual engine rotation speeds with operating positions of the continuously variable speed change device, and controls the operating device such that the operating position of the continuously variable speed change device moves to the limit operating position based on the set limit operating position and detected information from the speed change position detecting device, and wherein the control device has command device for commanding a change of the correlation data.
摘要翻译： 一种工作车辆的负载控制结构，具备：检测作业车辆的发动机的设定旋转的设定转速检测装置; 感测发动机的实际转速的实际转速检测装置; 从工作车辆的发动机接收动力的无级变速装置; 速度变化位置检测装置，用于检测无级变速装置的变速操作位置; 用于变速无级变速装置的操作装置; 用于控制操作装置的操作的控制装置; 其特征在于，所述控制装置基于来自所设定的转速检测装置和实际转速检测装置的检测信息，根据所设定的转速来计算实际发动机转速的下降量，并设定所述连续变速的极限动作位置 基于所计算的液滴量的变更装置和将实际的发动机转速与无级变速装置的动作位置相关联的相关数据，并且控制操作装置，使得连续变速装置的运转位置向 基于所设定的限制操作位置的限制操作位置和来自所述变速位置检测装置的检测信息，并且其中所述控制装置具有用于指示相关数据的改变的命令装置。
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公开(公告)号：US08007403B2
公开(公告)日：2011-08-30
申请号：US12204336
申请日：2008-09-04
申请人： Yuuki Ishida , Hiroshi Shimada , Koji Nada , Masaru Nakaji , Hiroki Bessho , Masatake Murakawa , Yasunobu Nakatani
发明人： Yuuki Ishida , Hiroshi Shimada , Koji Nada , Masaru Nakaji , Hiroki Bessho , Masatake Murakawa , Yasunobu Nakatani
IPC分类号： F16H61/40
CPC分类号： F16H61/4017 , B60Y2200/41 , F16H47/02 , F16H59/54 , F16H61/4157 , F16H61/448 , Y10T477/621 , Y10T477/636
摘要： A work vehicle includes a hydraulic stepless speed changing apparatus and a gear type speed changing apparatus operable to receive output from the hydraulic stepless speed changing apparatus to convert it into a plurality of stages of speed. A return oil passage connected to a high-pressure side circuit of the hydraulic stepless speed changing apparatus is connected to a hydraulic tank. The return oil passage incorporates an unload valve and a throttle valve, between which an operably coupling mechanism is provided. This operably coupling mechanism switches over the unload valve to an unload condition in response to an operational displacement of a brake operating member for operating a brake to its braking side.
摘要翻译： 工作车辆包括液压无级变速装置和齿轮式变速装置，其可操作以接收来自液压无级变速装置的输出，以将其转换成多级速度。 与液压无级变速装置的高压侧回路连接的返回油路连接到液压箱。 返回油通道包括卸载阀和节流阀，在其之间提供可操作的联接机构。 响应于用于将制动器操作到其制动侧的制动操作构件的操作位移，该可操作的联接机构将卸载阀切换到卸载状态。
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公开(公告)号：US07686737B2
公开(公告)日：2010-03-30
申请号：US11517185
申请日：2006-09-07
申请人： Eiji Nishi , Keishiro Nishi , Atsushi Shinkai , Yasunobu Nakatani
发明人： Eiji Nishi , Keishiro Nishi , Atsushi Shinkai , Yasunobu Nakatani
CPC分类号： B60W10/11 , B60W10/06 , F16H47/02 , F16H59/42 , F16H61/423 , F16H61/433 , F16H61/46 , F16H61/462 , F16H2059/6853 , Y10T74/19153 , Y10T477/631 , Y10T477/636 , Y10T477/676 , Y10T477/688
摘要： A load control structure for a work vehicle comprises: set rotation speed detection device for detecting a set rotation of an engine of the work vehicle; actual rotation speed detection device that senses an actual rotational speed of the engine; continuously variable speed change device that receives power from an engine of the work vehicle; speed change position detecting device for detecting a speed change operation position of the continuously variable speed change device; operating device for speed-shifting the continuously variable speed change device; control device for controlling the operation of the operating device; wherein the control device calculates a drop amount of the actual engine rotation speed from the set rotation speed based on the detected information from the set rotation speed detection device and the actual rotation speed detection device, and sets a limit operation position for the continuously variable speed change device based on the calculated drop amount and a correlation data that correlates the actual engine rotation speeds with operating positions of the continuously variable speed change device, and controls the operating device such that the operating position of the continuously variable speed change device moves to the limit operating position based on the set limit operating position and detected information from the speed change position detecting device, and wherein the control device has command device for commanding a change of the correlation data.
摘要翻译： 一种工作车辆的负载控制结构，具备：检测作业车辆的发动机的设定旋转的设定转速检测装置; 感测发动机的实际转速的实际转速检测装置; 从工作车辆的发动机接收动力的无级变速装置; 速度变化位置检测装置，用于检测无级变速装置的变速操作位置; 用于变速无级变速装置的操作装置; 用于控制操作装置的操作的控制装置; 其特征在于，所述控制装置基于来自所设定的转速检测装置和实际转速检测装置的检测信息，根据所设定的转速来计算实际发动机转速的下降量，并设定所述连续变速的极限动作位置 基于所计算的液滴量的变更装置和将实际的发动机转速与无级变速装置的动作位置相关联的相关数据，并且控制操作装置，使得连续变速装置的运转位置向 基于所设定的限制操作位置的限制操作位置和来自所述变速位置检测装置的检测信息，并且其中所述控制装置具有用于指示相关数据的改变的命令装置。
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4.发明申请Operating apparatus for hydrostatic continously variable speed-change device for work vehicle 有权用于工作车辆静液压连续变速装置的操作装置公开(公告)号：US20070219047A1
公开(公告)日：2007-09-20
申请号：US11714081
申请日：2007-03-05
申请人： Yasunobu Nakatani , Fumitake Okunishi , Yoshifumi Horiuchi , Hiroki Bessho , Yoshihiro Kawahara , Mitsugu Kobayashi , Shinichiro Saji , Masaki Hayashi
发明人： Yasunobu Nakatani , Fumitake Okunishi , Yoshifumi Horiuchi , Hiroki Bessho , Yoshihiro Kawahara , Mitsugu Kobayashi , Shinichiro Saji , Masaki Hayashi
IPC分类号： B60W10/00
CPC分类号： B60W30/188 , B60W10/103 , B60W10/184 , F16H59/54 , F16H61/4043 , F16H61/4157 , Y10T74/19158 , Y10T74/19163 , Y10T477/648
摘要： A work vehicle includes: a hydrostatic continuously variable speed-change device; a gear type multiple-stage speed-change device disposed downstream of the hydrostatic continuously variable speed-change device with respect to a direction in which power is transmitted; first and second oil passages interconnecting between a hydraulic pump and a hydraulic motor in the hydrostatic continuously variable speed-change device; a bypass oil passage communicating the first and second oil passages with each other; a valve mechanism for opening and closing the bypass oil passage; and a manual operating member provided in a driving section for opening and closing the valve mechanism.
摘要翻译： 工作车辆包括：静液压无级变速装置; 齿轮式多级变速装置，相对于传递动力的方向设置在静液压无级变速装置的下游; 第一和第二油道，其在液压无级变速装置中相互连接在液压泵和液压马达之间; 旁通油路，其使第一和第二油路彼此连通; 用于打开和关闭旁路油路的阀机构; 以及设置在用于打开和关闭阀机构的驱动部中的手动操作构件。
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公开(公告)号：US20070137338A1
公开(公告)日：2007-06-21
申请号：US11517193
申请日：2006-09-07
申请人： Eiji Nishi , Keishiro Nishi , Atsushi Shinkai , Yasunobu Nakatani
发明人： Eiji Nishi , Keishiro Nishi , Atsushi Shinkai , Yasunobu Nakatani
CPC分类号： F16H61/46 , F16H47/02 , F16H59/42 , F16H61/423 , F16H61/433 , F16H61/462 , F16H2059/065 , F16H2059/6853 , Y10T74/19251 , Y10T74/20037
摘要： A speed control structure for a work vehicle comprises: a speed change operating element for manipulation by an operator; a device for detecting operated position of the speed change operating element; a continuously variable speed change device that receives power from an engine of the work vehicle; speed change position detecting device for detecting a speed change operation position of the continuously variable speed change device; operating device for speed-shifting the continuously variable speed change device; control device for controlling the operating means, wherein the control means: sets a target speed change operating position based on detected information by the operated position detection device and a predetermined correlation data that correlates the operated position of the speed change operating element and the speed change operation position of the continuously variable speed change device, and calculates a deviation between the target seed change operating position and of the continuously variable speed change device and the actual speed change operation position based on the set target seed change operating position and detected information from the speed change position detecting device, and sets a target operating speed for the continuously variable speed change device based on the calculated deviation and a further correlation data that correlates the deviation with an operating speed at which the continuously variable speed change device is operated, and controls the operating means such that the continuously variable speed change device is operated toward the target speed change operating position and at the target operating speed.
摘要翻译： 一种用于工作车辆的速度控制结构包括：用于操作者操纵的变速操作元件; 用于检测变速操作元件的操作位置的装置; 从工作车辆的发动机接收动力的连续可变变速装置; 速度变化位置检测装置，用于检测无级变速装置的变速操作位置; 用于变速无级变速装置的操作装置; 用于控制所述操作装置的控制装置，其中所述控制装置：基于所操作的位置检测装置的检测信息来设定目标速度变化操作位置，以及将所述变速操作元件的操作位置与所述速度变化相关联的预定相关数据 根据所设定的目标种子变化动作位置，根据来自所述目标种子变化动作位置的检测信息，计算出所述连续变化速度变更装置的目标种子变化动作位置与所述实际变速动作位置之间的偏差 变速位置检测装置，根据计算出的偏差设定连续变速装置的目标运转速度，以及将该偏差与运行无级变速装置的运转速度相关联的进一步的相关数据，并进行控制 手术 使得连续可变变速装置朝向目标变速操作位置和目标操作速度运转。
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公开(公告)号：US06722464B2
公开(公告)日：2004-04-20
申请号：US09940251
申请日：2001-08-27
IPC分类号： B60K1710
CPC分类号： B60K17/105 , B60K26/02 , B60K26/04 , B60Y2200/41 , B62D49/0671 , F16H47/02
摘要： A frameless type working vehicle includes an intermediate vehicle body 5 acting as a body forming member for interconnecting a front vehicle body 3 and a rear vehicle body 4. The intermediate vehicle body is formed of a case block 10 housing a hydrostatic stepless transmission (HST) 20. The case block 10 includes, formed integral with one another, a small diameter portion 11 connected to the rear vehicle body 4 and providing case walls for a pump P and a motor M of HST 20, a large diameter portion 12 connected to the front vehicle body 3 and having an upper edge at a higher level than an upper surface of the small diameter portion 11, and a transitional portion 12A disposed between the small diameter portion 11 and the large diameter portion 12. The large diameter portion 12 defines an accommodating space S1 for a main clutch 9 that receives drive from an engine E.
摘要翻译： 无框式作业车辆包括作为用于互连前车体3和后车体4的主体形成部件的中间车体5.中间车体由容纳静液压无级变速器（HST）的箱体10形成， 壳体块10包括彼此一体形成的连接到后车体4的小直径部分11，并且为HST 20的泵P和马达M提供壳壁，连接到 前车体3，并且具有比小直径部分11的上表面高的高度的上边缘，以及设置在小直径部分11和大直径部分12之间的过渡部分12A。大直径部分12限定 用于接收来自发动机E的驱动的主离合器9的容纳空间S1。
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公开(公告)号：US20090239706A1
公开(公告)日：2009-09-24
申请号：US12204336
申请日：2008-09-04
申请人： Yuuki Ishida , Hiroshi Shimada , Koji Nada , Masaru Nakaji , Hiroki Bessho , Masatake Murakawa , Yasunobu Nakatani
发明人： Yuuki Ishida , Hiroshi Shimada , Koji Nada , Masaru Nakaji , Hiroki Bessho , Masatake Murakawa , Yasunobu Nakatani
CPC分类号： F16H61/4017 , B60Y2200/41 , F16H47/02 , F16H59/54 , F16H61/4157 , F16H61/448 , Y10T477/621 , Y10T477/636
摘要： A work vehicle includes a hydraulic stepless speed changing apparatus and a gear type speed changing apparatus operable to receive output from the hydraulic stepless speed changing apparatus to convert it into a plurality of stages of speed. A return oil passage connected to a high-pressure side circuit of the hydraulic stepless speed changing apparatus is connected to a hydraulic tank. The return oil passage incorporates an unload valve and a throttle valve, between which an operably coupling mechanism is provided. This operably coupling mechanism switches over the unload valve to an unload condition in response to an operational displacement of a brake operating member for operating a brake to its braking side.
摘要翻译： 工作车辆包括液压无级变速装置和齿轮式变速装置，其可操作以接收来自液压无级变速装置的输出，以将其转换成多级速度。 与液压无级变速装置的高压侧回路连接的返回油路连接到液压箱。 返回油通道包括卸载阀和节流阀，在其之间提供可操作的联接机构。 响应于用于将制动器操作到其制动侧的制动操作构件的操作位移，该可操作的联接机构将卸载阀切换到卸载状态。
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公开(公告)号：US06887182B2
公开(公告)日：2005-05-03
申请号：US10652581
申请日：2003-08-29
IPC分类号： B60W10/04 , B60K17/06 , B60W10/06 , B60W10/10 , B60W10/103 , F02D11/04 , F02D29/00 , F16H39/00 , F16H47/08 , F16H59/48
CPC分类号： F16H57/04 , B60W10/06 , B60W10/103 , B60W30/18027 , B60W30/18063 , B60W30/1819 , Y10S180/90 , Y10T74/19149 , Y10T74/2186 , Y10T477/692
摘要： A change-speed control system is provided for a utility vehicle having a stepless change-speed apparatus for speed-changing an engine output and transmitting the speed-changed output to a traveling unit. The system includes an engine speed governor for adjusting speed of the engine, an accelerator controller and a change-speed control linkage device for providing operative displacements in the stepless change-speed apparatus and the engine speed governor in association with an operation of the accelerator controller. The change-speed control linkage device sets an operation amount for the stepless change-speed apparatus and an operation amount for the engine speed governor in correlation with the operation amount of the accelerator controller, such that an acceleration ratio for the engine speed is greater than an acceleration ratio for the stepless change-speed apparatus until the engine reaches a predetermined speed and also the stepless change-speed apparatus reaches a predetermined speed.
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公开(公告)号：US20050037892A1
公开(公告)日：2005-02-17
申请号：US10652581
申请日：2003-08-29
IPC分类号： B60W10/04 , B60K17/06 , B60W10/06 , B60W10/10 , B60W10/103 , F02D11/04 , F02D29/00 , F16H39/00 , F16H47/08 , F16H59/48
CPC分类号： F16H57/04 , B60W10/06 , B60W10/103 , B60W30/18027 , B60W30/18063 , B60W30/1819 , Y10S180/90 , Y10T74/19149 , Y10T74/2186 , Y10T477/692
摘要： A change-speed control system is provided for a utility vehicle having a stepless change-speed apparatus for speed-changing an engine output and transmitting the speed-changed output to a traveling unit. The system includes an engine speed governor for adjusting speed of the engine, an accelerator controller and a change-speed control linkage device for providing operative displacements in the stepless change-speed apparatus and the engine speed governor in association with an operation of the accelerator controller. The change-speed control linkage device sets an operation amount for the stepless change-speed apparatus and an operation amount for the engine speed governor in correlation with the operation amount of the accelerator controller, such that an acceleration ratio for the engine speed is greater than an acceleration ratio for the stepless change-speed apparatus until the engine reaches a predetermined speed and also the stepless change-speed apparatus reaches a predetermined speed.
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10.发明授权Propelling transmission control apparatus for a working vehicle having a hydrostatic stepless transmission 有权具有静液压无级变速器的作业车辆的推进传动控制装置公开(公告)号：US06849028B2
公开(公告)日：2005-02-01
申请号：US10652584
申请日：2003-08-29
IPC分类号： B60K17/10 , F16H39/14 , F16H47/02 , F16H61/40 , F16H61/42 , F16H61/423 , F16H61/433 , F16H61/448
CPC分类号： F16H61/472 , F16H39/14 , F16H47/02 , F16H61/421 , F16H61/431 , F16H61/44 , F16H61/448 , Y10T74/19149 , Y10T74/20055 , Y10T477/631 , Y10T477/636 , Y10T477/68
摘要： A propelling transmission control apparatus for a working vehicle having a hydrostatic stepless transmission comprises a variable displacement type hydraulic pump (35), a change speed control mechanism (80) for converting a displacement of a control device (55) to a control displacement for varying a swash plate angle of the hydraulic pump, a fixed displacement main hydraulic motor (36) and a variable displacement auxiliary hydraulic motor (37) connected in series to the hydraulic pump. A common output shaft receives rotational output from both motors. A control piston (35) varies the swash plate angle of the auxiliary hydraulic motor, is connected to a pressure oil supply line (39) for supplying both hydraulic motors with pressure oil, and is operable to vary the swash plate angle of the auxiliary hydraulic motor (37) such that the auxiliary hydraulic motor (37) has an increased volume with a pressure increase applied to the control piston (38).
摘要翻译： 一种用于具有静液压无级变速器的作业车辆的推进变速器控制装置，包括可变排量型液压泵（35），变速控制机构（80），用于将控制装置（55）的位移转换成用于变化的控制位移 液压泵的斜盘角度，与液压泵串联连接的固定排量主液压马达（36）和可变排量辅助液压马达（37）。 公共输出轴接收两个电机的旋转输出。 控制活塞（35）改变辅助液压马达的斜盘角度，连接到用于向两个液压马达提供压力油的压力供油管（39），并且可操作地改变辅助液压马达的斜盘角度 电动机（37），使得辅助液压马达（37）在对控制活塞（38）施加压力增加时具有增加的体积。
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