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2. 发明授权

US3890883A Flow control arrangement for an axial piston pump 失效
标题翻译：轴向柱塞泵的流量控制装置
公开(公告)号：US3890883A
公开(公告)日：1975-06-24
申请号：US33274973
申请日：1973-02-15
申请人： BOSCH GMBH ROBERT
发明人： ROMETSCH WERNER , ROBELLER WALTER , LUTZ GERHARD , REICHEL ECKEHART , BOSCH PAUL , VOHRINGER GERD
IPC分类号： F04B1/20
CPC分类号： F04B1/2021
摘要： An axial piston pump has stationary and rotary control faces formed with inlet and outlet ports, and with cylinder ports, respectively, and a swash plate determining retracted and advanced dead center positions of the pistons in an axial plane. The inlet port has one end located closer to the plane in the region of the retracted dead center position than half the circumferential extension of each cylinder port so that each cylinder port communicates with the inlet port also after the respective piston has passed through the retracted dead center position and begins to move toward the advanced dead center position. In this manner, the respective cylinder is completely filled while the center of the respective cylinder port moves an angle between 5* and 20* beyond the plane of the dead centers. The other end of the inlet port may also be closer spaced from the plane of the dead center positions than half the circumferential extension of each cylinder port.
摘要翻译：轴向柱塞泵具有形成有入口和出口以及分别具有气缸端口的固定和旋转控制面，以及确定活塞在轴向平面中的缩回和前进死角位置的斜盘。入口端口的一端位于比收缩的死点位置更靠近平面的位置上，而不是每个气缸端口的圆周延伸的一半，这样在相应的活塞已经通过收缩的死区之后，每个气缸口也与入口连通中心位置，并开始向先进的死穴位置移动。以这种方式，相应气缸完全充满，同时气缸端口的中心移动超过死点平面的5°和20°之间的角度。入口端口的另一端也可以比死缸中心位置的平面更靠近，而不是每个气缸端口的圆周延伸的一半。

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