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公开(公告)号：US07237643B2
公开(公告)日：2007-07-03
申请号：US11169015
申请日：2005-06-29
申请人： Ryota Ohashi , Hironori Sumomozawa
发明人： Ryota Ohashi , Hironori Sumomozawa
IPC分类号： B60K17/10
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：US20070060435A1
公开(公告)日：2007-03-15
申请号：US11517592
申请日：2006-09-08
IPC分类号： F16H47/04
CPC分类号： F16H39/14 , A01D69/03 , B60Y2200/223
摘要： A transaxle apparatus comprises: a housing; a hydrostatic transmission disposed in the housing, the hydrostatic transmission including a hydraulic pump receiving power from a prime mover, a first hydraulic motor driven in response to fluid supplied from the hydraulic pump, and a center section including an inner fluid passage for fluidly connecting the first hydraulic motor to the hydraulic pump; a first axle disposed in the housing and driven by the first hydraulic motor; a hydraulic actuator disposed outside the housing so as to drive a second axle disposed outside the housing; a port opened outside the housing so as to be fluidly connected to the hydraulic actuator; and a block interposed between the center section and the port in the housing, wherein a fluid passage is disposed in the block so as to connect the port to the inner fluid passage in the center section.
摘要翻译： 驱动桥装置包括：壳体; 设置在壳体中的静液传动装置，静液传动装置包括从原动机接收动力的液压泵，响应于从液压泵供给的流体而驱动的第一液压马达，以及包括内部流体通道的中心部分， 第一液压马达到液压泵; 设置在壳体中并由第一液压马达驱动的第一轴; 液压致动器，其设置在所述壳体的外部，以驱动设置在所述壳体外部的第二轴; 在壳体外部开口以便液压地连接到液压致动器; 以及插入在壳体中的中心部分和端口之间的块体，其中流体通道设置在块体中，以将端口连接到中心部分中的内部流体通道。
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公开(公告)号：US20060112686A1
公开(公告)日：2006-06-01
申请号：US11330329
申请日：2006-01-12
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.
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公开(公告)号：US20060107660A1
公开(公告)日：2006-05-25
申请号：US11269643
申请日：2005-11-09
IPC分类号： F16D31/02
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 power 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; an 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动力传递到致动器。 泵单元包括：输入轴; 液压泵主体; PTO轴; PTO离合器机构; 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：US06988580B2
公开(公告)日：2006-01-24
申请号：US10403020
申请日：2003-04-01
申请人： Ryota Ohashi , Hironori Sumomozawa
发明人： Ryota Ohashi , Hironori Sumomozawa
IPC分类号： B60K17/10
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：US20050236214A1
公开(公告)日：2005-10-27
申请号：US11169015
申请日：2005-06-29
申请人： Ryota Ohashi , Hironori Sumomozawa
发明人： Ryota Ohashi , Hironori Sumomozawa
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：US08056670B2
公开(公告)日：2011-11-15
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： B60K17/10
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：US07788919B2
公开(公告)日：2010-09-07
申请号：US12181600
申请日：2008-07-29
申请人： Ryota Ohashi , Hironori Sumomozawa
发明人： Ryota Ohashi , Hironori Sumomozawa
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：US07409829B2
公开(公告)日：2008-08-12
申请号：US11530547
申请日：2006-09-11
申请人： Ryota Ohashi , Hironori Sumomozawa
发明人： Ryota Ohashi , Hironori Sumomozawa
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.
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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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