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公开(公告)号：US08001777B2
公开(公告)日：2011-08-23
申请号：US12431467
申请日：2009-04-28
IPC分类号： F16D31/02
CPC分类号： B60K17/105 , F01B3/02 , F02B61/00 , F16D31/02 , F16H39/14 , Y10T74/2066 , Y10T74/2186
摘要： An axle driving apparatus in which a hydraulic pump and a hydraulic motor which constitute a hydrostatic transmission are disposed on a center section. In a horizontal portion of the center section are provided a pair of linear oil passages in parallel to each other. A pair of arcuate ports are provided on a pump mounting surface formed on the horizontal portion of the center section. The pair of arcuate ports are substantially perpendicular with respect to the direction in which the oil passages extend. The axis of slanting movement of a movable swash plate of the hydraulic pump extends laterally of the vehicle body on which the axle driving apparatus is provided. The rotating direction of an arm provided on a control shaft for slantingly operating the movable swash plate is coincident with the operating direction of a control rod connected with a speed changing member. Thus, the link mechanism for connecting the speed changing member and the control arm for the movable swash plate is simplified.
摘要翻译： 其中构成静液压变速器的液压泵和液压马达设置在中心部分上的车轴驱动装置。 在中心部分的水平部分中设置有彼此平行的一对直线油道。 一对弧形端口设置在形成在中心部分的水平部分上的泵安装表面上。 一对弓形端口相对于油路延伸的方向基本垂直。 液压泵的可动斜盘的倾斜运动的轴线在设置有车轴驱动装置的车身的侧面上延伸。 设置在用于倾斜地操作可动斜盘的控制轴上的臂的旋转方向与与变速构件连接的控制杆的操作方向一致。 因此，用于连接变速构件和用于可动斜盘的控制臂的连杆机构被简化。
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公开(公告)号：US07762371B2
公开(公告)日：2010-07-27
申请号：US12206451
申请日：2008-09-08
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：US07677038B2
公开(公告)日：2010-03-16
申请号：US11625046
申请日：2007-01-19
摘要： There is provided a pump unit including plurality of hydraulic pumps respectively fluidly connected to plurality of hydraulic motors, which are disposed away from the pump unit, so as to form closed circuits, the pump unit including a pump case accommodating the plurality of hydraulic pumps so that the plurality of hydraulic pumps are operatively driven by a common power source; and a filter mounted at the pump case so as to be inserted in a charge passage for replenishing operation fluid from a fluid sump to the closed circuits.
摘要翻译： 提供了一种泵单元，其包括分别流体连接到多个液压马达的泵单元，多个液压马达远离泵单元设置，以便形成闭合回路，泵单元包括容纳多个液压泵的泵壳 所述多个液压泵由公共电源可操作地驱动; 以及安装在泵壳体上的过滤器，以将其插入充电通道中，以将操作流体从流体槽补充到闭合回路。
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公开(公告)号：US20080115489A1
公开(公告)日：2008-05-22
申请号：US11924152
申请日：2007-10-25
CPC分类号： B60K17/105 , F01B3/02 , F02B61/00 , F16D31/02 , F16H39/14 , Y10T74/2066 , Y10T74/2186
摘要： An axle driving apparatus in which a hydraulic pump and a hydraulic motor which constitute a hydrostatic transmission are disposed on a center section. In a horizontal portion of the center section are provided a pair of linear oil passages in parallel to each other. A pair of arcuate ports are provided on a pump mounting surface formed on the horizontal portion of the center section. The pair of arcuate ports are substantially perpendicular with respect to the direction in which the oil passages extend. The axis of slanting movement of a movable swash plate of the hydraulic pump extends laterally of the vehicle body on which the axle driving apparatus is provided. The rotating direction of an arm provided on a control shaft for slantingly operating the movable swash plate is coincident with the operating direction of a control rod connected with a speed changing member. Thus, the link mechanism for connecting the speed changing member and the control arm for the movable swash plate is simplified.
摘要翻译： 其中构成静液压变速器的液压泵和液压马达设置在中心部分上的车轴驱动装置。 在中心部分的水平部分中设置有彼此平行的一对直线油道。 一对弧形端口设置在形成在中心部分的水平部分上的泵安装表面上。 一对弓形端口相对于油路延伸的方向基本垂直。 液压泵的可动斜盘的倾斜运动的轴线在设置有车轴驱动装置的车身的侧面上延伸。 设置在用于倾斜地操作可动斜盘的控制轴上的臂的旋转方向与与变速构件连接的控制杆的操作方向一致。 因此，用于连接变速构件和用于可动斜盘的控制臂的连杆机构被简化。
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公开(公告)号：US07185577B2
公开(公告)日：2007-03-06
申请号：US10799737
申请日：2004-03-15
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.
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公开(公告)号：US20050109027A1
公开(公告)日：2005-05-26
申请号：US11028627
申请日：2005-01-05
CPC分类号： B60K17/105 , F01B3/02 , F02B61/00 , F16D31/02 , F16H39/14 , Y10T74/2066 , Y10T74/2186
摘要： An axle driving apparatus in which a hydraulic pump and a hydraulic motor which constitute a hydrostatic transmission are disposed on a center section. In a horizontal portion of the center section are provided a pair of linear oil passages in parallel to each other. A pair of arcuate ports are provided on a pump mounting surface formed on the horizontal portion of the center section. The pair of arcuate ports are substantially perpendicular with respect to the direction in which the oil passages extend. The axis of slanting movement of a movable swash plate of the hydraulic pump extends laterally of the vehicle body on which the axle driving apparatus is provided. The rotating direction of an arm provided on a control shaft for slantingly operating the movable swash plate is coincident with the operating direction of a control rod connected with a speed changing member. Thus, the link mechanism for connecting the speed changing member and the control arm for the movable swash plate is simplified.
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公开(公告)号：US06487856B1
公开(公告)日：2002-12-03
申请号：US09690819
申请日：2000-10-18
申请人： Ryota Ohashi , Hironori Sumomozawa
发明人： Ryota Ohashi , Hironori Sumomozawa
IPC分类号： F16D3102
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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公开(公告)号：US07775309B2
公开(公告)日：2010-08-17
申请号：US11623687
申请日：2007-01-16
IPC分类号： B60K17/28
摘要： There is provided a pump unit including plurality of hydraulic pump bodies respectively fluidly connected to plurality of hydraulic motor bodies, which are disposed away from the pump unit, so as to form closed circuits, the pump unit including: a housing accommodating the plurality of hydraulic pump bodies so that the plurality of hydraulic pump bodies are operatively driven by a common driving source; a charge pump body operatively driven by the driving source; a suction fluid passage fluidly connected to a suction side of the charge pump body; a discharge fluid passage fluidly connected to a discharge side of the charge pump body; a charge passage for replenishing a part of pressurized fluid in the discharge fluid passage into each of the closed circuits; and a working machine operating fluid passage for supplying a part of the pressurized fluid in the discharge fluid passage toward an external hydraulic actuator.
摘要翻译： 提供了一种泵单元，包括多个液压泵体，其分别流体连接到远离泵单元的多个液压马达主体，以形成闭合回路，所述泵单元包括：容纳多个液压的壳体 使得多个液压泵体由共同的驱动源可操作地驱动; 由驱动源可操作地驱动的电荷泵体; 吸入流体通道，其流体地连接到所述电荷泵体的吸入侧; 排出流体通道，其流体地连接到电荷泵体的排出侧; 用于将排出流体通道中的加压流体的一部分补充到每个闭合回路中的装料通道; 以及工作机工作流体通道，用于将排出流体通道中的一部分加压流体提供给外部液压致动器。
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公开(公告)号：US07467516B2
公开(公告)日：2008-12-23
申请号：US11519842
申请日：2006-09-13
IPC分类号： F16D39/00
CPC分类号： B60K17/105 , F01B3/02 , F02B61/00 , F16D31/02 , F16H39/14 , Y10T74/2066 , Y10T74/2186
摘要： An axle driving apparatus in which a hydraulic pump and a hydraulic motor which constitute a hydrostatic transmission are disposed on a center section. In a horizontal portion of the center section are provided a pair of linear oil passages in parallel to each other. A pair of arcuate ports are provided on a pump mounting surface formed on the horizontal portion of the center section. The pair of arcuate ports are substantially perpendicular with respect to the direction in which the oil passages extend. The axis of slanting movement of a movable swash plate of the hydraulic pump extends laterally of the vehicle body on which the axle driving apparatus is provided. The rotating direction of an arm provided on a control shaft for slantingly operating the movable swash plate is coincident with the operating direction of a control rod connected with a speed changing member. Thus, the link mechanism for connecting the speed changing member and the control arm for the movable swash plate is simplified.
摘要翻译： 其中构成静液压变速器的液压泵和液压马达设置在中心部分上的车轴驱动装置。 在中心部分的水平部分中设置有彼此平行的一对直线油道。 一对弧形端口设置在形成在中心部分的水平部分上的泵安装表面上。 一对弓形端口相对于油路延伸的方向基本垂直。 液压泵的可动斜盘的倾斜运动的轴线在设置有车轴驱动装置的车身的侧面上延伸。 设置在用于倾斜地操作可动斜盘的控制轴上的臂的旋转方向与与变速构件连接的控制杆的操作方向一致。 因此，用于连接变速构件和用于可动斜盘的控制臂的连杆机构被简化。
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公开(公告)号：US07455144B2
公开(公告)日：2008-11-25
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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