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公开(公告)号：US10125750B2
公开(公告)日：2018-11-13
申请号：US15205517
申请日：2016-07-08
发明人： Joe Pfaff , Bradley Kramer , Dwight Stephenson , Eric Hamkins
IPC分类号： F04B1/053 , F04B1/04 , F04B49/22 , F04B53/16 , F15B11/08 , F15B11/16 , E02F9/22 , F04B1/06 , F04B49/00
摘要： A system and method for machinery performing work with hydraulic actuators. Radial hydraulic pumps are aligned end-to-end along a common driveshaft axis to form a multi-pump assembly having a plurality of piston/cylinder units extending in a radial direction. Two or more piston/cylinder units are associated with one another to form multiple piston/cylinder groups. A plurality of control valves combines individual output flows from the two or more associated piston/cylinder units into respective common output flows for each respective piston/cylinder group. A plurality of flow control devices varies the common output flow from each respective piston/cylinder group by throttling inlet flow to the two or more associated piston/cylinder units in each respective piston/cylinder group. Each respective common output flow is directed from each respective piston/cylinder group to a hydraulic actuator on the heavy machinery to control its direction of movement.
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2.发明申请公开(公告)号：US20170009753A1
公开(公告)日：2017-01-12
申请号：US15205517
申请日：2016-07-08
发明人： Joe Pfaff , Bradley Kramer , Dwight Stephenson , Eric Hamkins
CPC分类号： F04B1/0538 , E02F9/2232 , F04B1/04 , F04B1/0531 , F04B1/06 , F04B1/063 , F04B49/002 , F04B49/225 , F04B53/16 , F15B11/08 , F15B11/16 , F15B2211/2053 , F15B2211/255 , F15B2211/40515
摘要： A system and method for machinery performing work with hydraulic actuators. Radial hydraulic pumps are aligned end-to-end along a common driveshaft axis to form a multi-pump assembly having a plurality of piston/cylinder units extending in a radial direction. Two or more piston/cylinder units are associated with one another to form multiple piston/cylinder groups. A plurality of control valves combines individual output flows from the two or more associated piston/cylinder units into respective common output flows for each respective piston/cylinder group. A plurality of flow control devices varies the common output flow from each respective piston/cylinder group by throttling inlet flow to the two or more associated piston/cylinder units in each respective piston/cylinder group. Each respective common output flow is directed from each respective piston/cylinder group to a hydraulic actuator on the heavy machinery to control its direction of movement.
摘要翻译： 一种用液压执行机构执行机械的系统和方法。 径向液压泵沿着共同的驱动轴轴线端对齐地对齐以形成具有沿径向方向延伸的多个活塞/缸单元的多泵组件。 两个或多个活塞/气缸单元彼此相关联以形成多个活塞/气缸组。 多个控制阀将来自两个或更多个相关联的活塞/气缸单元的各个输出流合并成用于每个相应的活塞/气缸组的相应公共输出流。 多个流量控制装置通过在每个相应的活塞/气缸组中节流到两个或更多个相关联的活塞/气缸单元的入口流量来改变来自每个相应活塞/气缸组的共同输出流量。 每个相应的公共输出流从每个相应的活塞/气缸组引导到重型机械上的液压致动器以控制其运动方向。
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公开(公告)号：US09062665B2
公开(公告)日：2015-06-23
申请号：US13741928
申请日：2013-01-15
发明人： David Schedgick , Bradley Kramer , Joe Pfaff
CPC分类号： F04B1/0531 , F04B1/053 , F04B49/03
摘要： A pump system has a piston pump. The piston pump has a cylinder block with an inlet port, an outlet port, and a plurality of cylinders. Each cylinder in the plurality of cylinders is connected to the inlet port by an inlet passage and to the outlet port by an outlet passage. The piston pump has a plurality of pistons disposed in the plurality of cylinders. A drive shaft drives the pistons within the cylinders. A throttle member independently throttles flow in each inlet passage. The pump system has an electrohydraulic actuator governing movement of the throttle member.
摘要翻译： 泵系统具有活塞泵。 活塞泵具有带有进气口，出口和多个气缸的气缸体。 多个气缸中的每个气缸通过入口通道连接到入口端口，并通过出口通道连接到出口端口。 活塞泵具有设置在多个气缸中的多个活塞。 驱动轴驱动气缸内的活塞。 节流构件独立地节流每个入口通道中的流动。 泵系统具有控制节流件的运动的电动液压致动器。
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公开(公告)号：US20140199187A1
公开(公告)日：2014-07-17
申请号：US13741928
申请日：2013-01-15
发明人： David Schedgick , Bradley Kramer , Joe Pfaff
IPC分类号： F04B1/053
CPC分类号： F04B1/0531 , F04B1/053 , F04B49/03
摘要： A pump system has a piston pump. The piston pump has a cylinder block with an inlet port, an outlet port, and a plurality of cylinders. Each cylinder in the plurality of cylinders is connected to the inlet port by an inlet passage and to the outlet port by an outlet passage. The piston pump has a plurality of pistons disposed in the plurality of cylinders. A drive shaft drives the pistons within the cylinders. A throttle member independently throttles flow in each inlet passage. The pump system has an electrohydraulic actuator governing movement of the throttle member.
摘要翻译： 泵系统具有活塞泵。 活塞泵具有带有进气口，出口和多个气缸的气缸体。 多个气缸中的每个气缸通过入口通道连接到入口端口，并通过出口通道连接到出口端口。 活塞泵具有设置在多个气缸中的多个活塞。 驱动轴驱动气缸内的活塞。 节流构件独立地节流每个入口通道中的流动。 泵系统具有控制节流件的运动的电动液压致动器。
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