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2. 发明申请

US20060222512A1 Variable displacement radial piston pump 有权
标题翻译：可变排量径向活塞泵
公开(公告)号：US20060222512A1
公开(公告)日：2006-10-05
申请号：US11016127
申请日：2004-12-17
申请人： Lowell Hansen
发明人： Lowell Hansen
IPC分类号： F04B1/06
CPC分类号： F04B1/1071 , F04B1/07 , F04B1/1077
摘要： A radial pump has a housing with a cylinder ring is pivotally mounted therein. The cylinder ring has a circular aperture within which a cam surface is formed. A cylinder block rotates within the cylinder ring aperture and has a plurality of radially extending cylinders each having port which selectively communicates with a fluid inlet and a fluid outlet as the cylinder block rotates. A plurality of pistons is slideably received within the plurality of cylinders and engages the cam surface. An actuator operably coupled to produce movement of the cylinder ring, which alters the spatial relationship between the cylinder ring and the cylinder block to vary the amount that the pistons move within the cylinders. The amount of movement of the pistons within the cylinders is directly related to the magnitude of fluid flow delivered by the pump and moving the cylinder ring thereby controls the fluid flow. Rotation of the bearing ring produces less torsional drag (parasitic horsepower loss) than the sliding motion of the pistons on a stationary ring, which allows for increasing speed of operation and less performance losses.
摘要翻译：径向泵具有可旋转地安装在其中的具有气缸环的壳体。气缸环具有圆形孔，在其中形成凸轮表面。气缸体在气缸环孔内旋转并且具有多个径向延伸的气缸，每个气缸具有当气缸体旋转时选择性地与流体入口和流体出口连通的端口。多个活塞可滑动地容纳在多个气缸内并与凸轮表面接合。可操作地连接以产生气缸环的运动的致动器，其改变气缸环和气缸体之间的空间关系，以改变活塞在气缸内移动的量。气缸内的活塞的运动量直接与泵输送的流体流动的大小有关，并且移动气缸环从而控制流体流动。轴承环的旋转比固定环上的活塞的滑动运动产生较少的扭转阻力（寄生马力损失），这允许增加运行速度和较少的性能损失。

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