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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：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：US20070144169A1
公开(公告)日：2007-06-28
申请号：US11625046
申请日：2007-01-19
IPC分类号： F16D39/00
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：US20070163817A1
公开(公告)日：2007-07-19
申请号：US11623687
申请日：2007-01-16
IPC分类号： B60K25/00
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，以便形成闭合回路，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：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：US07430863B2
公开(公告)日：2008-10-07
申请号：US11746945
申请日：2007-05-10
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：US20070209355A1
公开(公告)日：2007-09-13
申请号：US11746945
申请日：2007-05-10
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：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：US20100257856A1
公开(公告)日：2010-10-14
申请号：US12820604
申请日：2010-06-22
IPC分类号： F16H39/00
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; 一个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：US07231765B2
公开(公告)日：2007-06-19
申请号：US11269643
申请日：2005-11-09
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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