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公开(公告)号：US20100215517A1
公开(公告)日：2010-08-26
申请号：US12748805
申请日：2010-03-29
IPC分类号： F04B17/00
摘要： There is provided a working vehicle having first and second hydraulic pump units operatively driven by a driving source and arranged away to each other in a width direction of the vehicle. In the working vehicle, each of the first and second hydraulic pump units includes a pump body; a port block formed with an oil passage for supplying/discharging an operating fluid to/from said pump body; a pump case connected to the port block so as to define a pump body accommodating space for surrounding the pump body; and a pump shaft for rotatably driving the pump body, the pump shaft having an input end operatively connected to said driving source. A drain port for opening the pump body accommodating space outward and a charge suction port for drawing in an oil from an oil tank in order to supply a charge oil to a hydraulic circuit fluidly connecting with the corresponding hydraulic motor unit are provided respectively in first and second assemblies formed by the corresponding pump case and port block. The drain port is provided on a wall surface other than an opposing wall surface facing each other of the wall surfaces of said first and second assemblies when arranging the first and second assemblies so that the input ends of each pump shaft are directed in the same direction.
摘要翻译： 提供了一种工作车辆，其具有由驱动源可操作地驱动并且在车辆的宽度方向上彼此远离布置的第一和第二液压泵单元。 在工作车辆中，第一和第二液压泵单元中的每一个包括泵体; 形成有用于向/从所述泵体供给/排出工作流体的油路的端口块; 连接到所述端口块的泵壳，以便限定用于围绕所述泵体的泵体容纳空间; 以及用于可旋转地驱动所述泵体的泵轴，所述泵轴具有可操作地连接到所述驱动源的输入端。 分别在第一和第二位置分别设置用于将泵主体容纳空间向外打开的排出口和用于从油箱吸入油的供给吸入口，以便向与液压马达单元流体连接的液压回路供油装置 由相应的泵壳和端口块形成的第二组件。 当布置第一和第二组件时，排水口设置在不同于所述第一和第二组件的壁表面彼此面对的相对壁表面的壁表面上，使得每个泵轴的输入端指向相同的方向 。
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公开(公告)号：US20090008183A1
公开(公告)日：2009-01-08
申请号：US12206451
申请日：2008-09-08
IPC分类号： B60K17/00
CPC分类号： F04B1/22 , B60K17/28 , F04B23/06 , F04B23/106 , F16D31/02 , F16D31/08 , F16H39/14 , F16H61/4139
摘要： There is provided a pump unit configured to be capable of transmitting a rotational per from a driving power source which is operatively connected thereto to an actuator through a pair of hydraulic fluid lines. The pump unit includes: an input shaft; a hydraulic pump main body; a PTO shaft; a PTO clutch mechanism; and auxiliary pump main body; a suction line; a discharge line; a charge line; a PTO hydraulic fluid line; a pressure-reducing valve; and a resistance valve. The PTO hydraulic fluid line and the charge line are fluidly connected to the primary side and a secondary side of the pressure-reducing valve, respectively.
摘要翻译： 提供了一种泵单元，其构造成能够通过一对液压流体管线将来自与其可操作地连接的驱动动力源的旋转传递到致动器。 泵单元包括：输入轴; 液压泵主体; PTO轴; PTO离合器机构; 和辅助泵主体; 吸力线 排放线 充电线 PTO液压油管线; 减压阀; 和电阻阀。 PTO液压流体管线和加料管路分别与减压阀的初级侧和次级侧流体连接。
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公开(公告)号：US20100199656A1
公开(公告)日：2010-08-12
申请号：US12766276
申请日：2010-04-23
申请人： Ryota OHASHI
发明人： Ryota OHASHI
IPC分类号： F15B11/17
CPC分类号： F04B1/22 , B60Y2200/223 , F04B1/26 , F04B1/324 , F04B17/05 , F04B23/06 , F16H39/14 , F16H61/4052 , F16H61/42 , F16H61/437
摘要： A hydraulic pump unit of variable displacement type is disposed away from a pair of hydraulic motor units which are capable of being independently arranged. The pump unit is fluidly-connected to the pair of hydraulic motor units so as to change the outputs of the pair of hydraulic motor units in both forward and reverse rotation directions. The pump unit includes a hydraulic pump body operatively rotated and driven by a driving source, a pump case surrounding the hydraulic pump body, a capacity adjusting mechanism for changing the capacity of the hydraulic pump body, and an actuator for operating the capacity adjusting mechanism. The actuator is controlled based on a manual operation signal corresponding to a manual operation amount.
摘要翻译： 可变排量型的液压泵单元远离能够独立布置的一对液压马达单元。 泵单元流体地连接到一对液压马达单元，以便在正向和反向旋转方向上改变一对液压马达单元的输出。 泵单元包括由驱动源可操作地旋转和驱动的液压泵体，围绕液压泵体的泵壳，用于改变液压泵体的容量的容量调节机构和用于操作容量调节机构的致动器。 基于对应于手动操作量的手动操作信号来控制致动器。
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4.发明申请公开(公告)号：US20080202838A1
公开(公告)日：2008-08-28
申请号：US12055938
申请日：2008-03-26
申请人： Ryota OHASHI , Hideaki Okada
发明人： Ryota OHASHI , Hideaki Okada
IPC分类号： B60K17/34
CPC分类号： B60K7/0015 , B60K17/043 , B60K17/105 , B60K17/356 , B60K2001/001 , B60K2007/0046 , B60K2007/0061 , B60L2220/46 , B60Y2200/223 , B62D11/183 , B62D12/00
摘要： An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft receiving power from the prime mover, a pair of first axles, and a hydrostatic transmission. The hydrostatic transmission comprises a variable hydraulic pump, a first hydraulic motor fluidly connected to the hydraulic pump via a fluid passage, and a housing with a flexible port fluidly connected to the fluid passage. The second transaxle apparatus includes a pair of second axles having different lengths and a second hydraulic motor. The second hydraulic motor is fluidly connected via piping to a directionally adjustable connection portion of the flexible port. Proximal ends of the first and second frames with respect to the vehicle are coupled to each other so that the first and second frames are rotatable around a vertical axis relative to each other when steered.
摘要翻译： 具有加工装置的关节式车辆具有安装在其上的原动机的第一框架，并且支撑第一变速驱动桥装置。 第一变速驱动装置包括从原动机接收动力的输入轴，一对第一轴和静液压传动。 静液压变速器包括可变液压泵，通过流体通道流体地连接到液压泵的第一液压马达和具有流体连接到流体通道的柔性端口的壳体。 第二变速驱动装置包括具有不同长度的一对第二轴和第二液压马达。 第二液压马达通过管道流体连接到柔性端口的可定向调节的连接部分。 相对于车辆的第一和第二框架的近端部彼此联接，使得当转向时，第一和第二框架可相对于彼此相对于垂直轴线旋转。
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公开(公告)号：US20070272469A1
公开(公告)日：2007-11-29
申请号：US11683251
申请日：2007-03-07
申请人： Ryota OHASHI , Hironori Sumomozawa
发明人： Ryota OHASHI , Hironori Sumomozawa
IPC分类号： B60K17/00
CPC分类号： A01D34/6806 , B60K17/10 , B60K17/105 , B60K17/28 , B60K25/00 , B60K25/02 , B60K25/06 , B60Y2200/223 , F04B1/22 , F15B11/17 , F15B2211/20546 , F15B2211/20561 , F15B2211/20576 , F15B2211/214 , F15B2211/27 , F15B2211/40507 , F15B2211/40515 , F15B2211/40584 , F15B2211/41536 , F15B2211/423 , F15B2211/473 , F15B2211/7058 , F15B2211/7142
摘要： A pump unit for supply and discharge of hydraulic fluid into and from an actuator upon receiving driving power from a driving source is provided, in which said actuator is fluidly connected to said pump unit via a hydraulic circuit. The pump unit includes an input member operatively connected to the driving source, a first hydraulic pump body operatively connected to the input member, a pump case for accommodating the first hydraulic pump body and forming a hydraulic fluid sump, and a PTO unit accommodated within the pump case. The PTO unit includes a PTO shaft supported by the pump case so as to have an end extending outward from the pump case, and a clutch mechanism for selectively enabling and disabling transmission of driving power from the input member to the PTO shaft.
摘要翻译： 提供一种用于在从驱动源接收驱动力时向液压流体供给和排出致动器的泵单元，其中所述致动器经由液压回路流体地连接到所述泵单元。 泵单元包括可操作地连接到驱动源的输入构件，可操作地连接到输入构件的第一液压泵体，用于容纳第一液压泵体并形成液压油槽的泵壳，以及容纳在该内腔内的PTO单元 泵壳。 PTO单元包括由泵壳支撑的PTO轴，以便具有从泵壳向外延伸的端部，以及离合器机构，用于选择性地启用和禁止驱动力从输入构件传递到PTO轴。
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公开(公告)号：US20060272326A1
公开(公告)日：2006-12-07
申请号：US11464938
申请日：2006-08-16
申请人： Ryota OHASHI , Hironori Sumomozawa
发明人： Ryota OHASHI , Hironori Sumomozawa
IPC分类号： F16D31/02
CPC分类号： F16H57/0434 , F04B1/2064 , F04B1/22 , F04B1/324 , F04B23/06 , F04B23/106 , F04B23/12 , F04B49/002 , F04B49/24 , F04B2205/173 , F16D31/02 , F16H57/04 , F16H61/4043 , F16H61/4139
摘要： The present invention provides a pump unit including at least one hydraulic pump with inlet and outlet ports, a pump case for accommodating the hydraulic pump having an opening through which the hydraulic pump is insertable, and a lid, called a center section, closing the pump case. The center section forms a pair of inlet/outlet passages communicating an end with the inlet and outlet ports of the hydraulic pump and an end opening through a pump case abutting surface of the center section, and a first charging passage by which hydraulic fluid is fed through the pump case abutting surface of the center section. At least one of the pump case and the center section communicates the first charging passage with the pair of inlet/outlet passages via a first hydraulic fluid feeding valve preventing the reverse flow into said first charging passage.
摘要翻译： 本发明提供了一种泵单元，其包括具有入口和出口的至少一个液压泵，用于容纳液压泵的泵壳体，该液压泵具有可插入液压泵的开口，以及称为中心部分的盖子， 案件。 中心部分形成一对入口/出口通道，其一端与液压泵的入口和出口连通，以及通过中心部分的泵壳抵接表面的端部开口，以及第一充气通道，液压流体被供给 通过泵壳抵靠中心部分的表面。 泵壳和中心部分中的至少一个通过第一液压流体供给阀将第一充电通道与一对入口/出口通道连通，防止反向流入所述第一充电通道。
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公开(公告)号：US20100011758A1
公开(公告)日：2010-01-21
申请号：US12569094
申请日：2009-09-29
申请人： Ryota OHASHI
发明人： Ryota OHASHI
摘要： An HST unit includes a first hydraulic motor unit for operatively driving one of a pair of driving wheels; a second hydraulic motor unit for operatively driving the other one of the pair of driving wheels; a hydraulic pump unit operatively connected to a driving power source, the hydraulic pump unit configuring a traveling hydrostatic transmission in cooperation with the first and second hydraulic motor units; and an attachment frame for supporting the first hydraulic motor unit, the second hydraulic motor unit and the hydraulic pump unit, the attachment frame being attachable to a vehicle frame.
摘要翻译： HST单元包括用于操作地驱动一对驱动轮之一的第一液压马达单元; 用于可操作地驱动所述一对驱动轮中的另一个的第二液压马达单元; 液压泵单元，其可操作地连接到驱动动力源，所述液压泵单元与所述第一和第二液压马达单元协同配置行进的静液传动; 以及用于支撑第一液压马达单元，第二液压马达单元和液压泵单元的附接框架，附接框架可附接到车架。
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公开(公告)号：US20090308069A1
公开(公告)日：2009-12-17
申请号：US12543056
申请日：2009-08-18
申请人： Ryota OHASHI , Hironori SUMOMOZAWA
发明人： Ryota OHASHI , Hironori SUMOMOZAWA
IPC分类号： F16D31/02
CPC分类号： A01D34/6806 , B60K17/10 , B60K17/105 , B60K17/28 , B60K25/00 , B60K25/02 , B60K25/06 , B60Y2200/223 , F04B1/22 , F15B11/17 , F15B2211/20546 , F15B2211/20561 , F15B2211/20576 , F15B2211/214 , F15B2211/27 , F15B2211/40507 , F15B2211/40515 , F15B2211/40584 , F15B2211/41536 , F15B2211/423 , F15B2211/473 , F15B2211/7058 , F15B2211/7142
摘要： A pump unit applied to a working vehicle includes an input shaft operatively connected to an output shaft of a driving source, first and second hydraulic pump bodies, a pump housing that accommodates the first and second hydraulic pump bodies having respective rotational axis lines parallel to the input shaft, a PTO shaft, and a mounting housing that couples the pump housing with the driving source in a state that the pump housing is free from the vehicle frame. The input shaft is supported by the pump and is parallel to the output shaft of the driving source, and extends outwardly from a surface of the pump housing that faces the driving source and is inserted into the mounting housing. The PTO shaft is supported by the pump housing and is parallel to the input shaft and extends outwardly from a surface of the pump housing that is opposite to the surface that faces the driving source.
摘要翻译： 应用于作业车辆的泵单元包括可操作地连接到驱动源的输出轴的输入轴，第一和第二液压泵体，容纳第一和第二液压泵体的泵壳体，该泵壳体具有与 输入轴，PTO轴和安装壳体，其在泵壳体离开车架的状态下将泵壳体与驱动源连接。 输入轴由泵支撑并且平行于驱动源的输出轴，并且从泵壳体的面向驱动源的表面向外延伸并插入到安装壳体中。 PTO轴由泵壳体支撑并且平行于输入轴并且从与泵壳体的面向驱动源的表面相对的表面向外延伸。
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公开(公告)号：US20080289326A1
公开(公告)日：2008-11-27
申请号：US12181600
申请日：2008-07-29
申请人： Ryota OHASHI , Hironori Sumomozawa
发明人： Ryota OHASHI , Hironori Sumomozawa
IPC分类号： F16D31/02
CPC分类号： F16H57/0434 , F04B1/2064 , F04B1/22 , F04B1/324 , F04B23/06 , F04B23/106 , F04B23/12 , F04B49/002 , F04B49/24 , F04B2205/173 , F16D31/02 , F16H57/04 , F16H61/4043 , F16H61/4139
摘要： The present invention provides a pump unit including at least one hydraulic pump with inlet and outlet ports, a pump case for accommodating the hydraulic pump having an opening through which the hydraulic pump is insertable, and a lid, called a center section, closing the pump case. The center section forms a pair of inlet/outlet passages communicating an end with the inlet and outlet ports of the hydraulic pump and an end opening through a pump case abutting surface of the center section, and a first charging passage by which hydraulic fluid is fed through the pump case abutting surface of the center section. At least one of the pump case and the center section communicates the first charging passage with the pair of inlet/outlet passages via a first hydraulic fluid feeding valve preventing the reverse flow into said first charging passage.
摘要翻译： 本发明提供了一种泵单元，其包括具有入口和出口的至少一个液压泵，用于容纳液压泵的泵壳体，该液压泵具有可插入液压泵的开口，以及称为中心部分的盖子， 案件。 中心部分形成一对入口/出口通道，其一端与液压泵的入口和出口连通，以及通过中心部分的泵壳抵接表面的端部开口，以及第一充气通道，液压流体被供给 通过泵壳抵靠中心部分的表面。 泵壳和中心部分中的至少一个通过第一液压流体供给阀将第一充电通道与一对入口/出口通道连通，防止反向流入所述第一充电通道。
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公开(公告)号：US20080202113A1
公开(公告)日：2008-08-28
申请号：US12108110
申请日：2008-04-23
申请人： Ryota OHASHI , Hironori Sumomozawa
发明人： Ryota OHASHI , Hironori Sumomozawa
CPC分类号： F16H57/04 , F04B1/22 , F04B1/324 , F04B23/02 , F04B23/06 , F04B49/002 , F04B2205/173
摘要： The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump shafts are coaxially aligned and non-rotatably connected in tandem; a common housing for accommodating the first hydraulic pump and the second hydraulic pump; and a first center section and a second center section that respectively support the first and second hydraulic pumps.
摘要翻译： 本发明提供了一种串联泵单元，其包括：分别具有第一泵轴和第二泵轴的第一液压泵和第二液压泵，第一泵轴和第二泵轴分别具有连接在一起的相邻端，使得第一和第二泵轴同轴对准， 可串联连接; 用于容纳第一液压泵和第二液压泵的公共壳体; 以及分别支撑第一和第二液压泵的第一中心部分和第二中心部分。
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