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1. 发明申请

WO2014071130A1 VARIABLE CAPACITY PLUNGER PUMP 审中-公开
标题翻译：可变容量泵
公开(公告)号：WO2014071130A1
公开(公告)日：2014-05-08
申请号：PCT/US2013/067968
申请日：2013-11-01
申请人： CATERPILLAR INC.
发明人： BUCKLEY, Christ Paul , SHINOGLE, Ronald Dean , JOHNSON, Ryan A. , GIACOMI, Matthew Paul
IPC分类号： F04B17/00 , F04B53/16
CPC分类号： F04B23/06 , F04B15/02 , F04B49/16 , F04B53/16
摘要： A variable capacity plunger pump (10) includes a housing assembly (15) defining a housing bore (67) that may be configured to receive a liner (73) along at least a portion of the housing bore. An axial plunger (14) slidably disposed within the housing bore (67) to form a compression chamber disposed between a distal end (21) of the plunger (14) and the outlet (12). The compression chamber is in axial alignment with the outlet (12). The plunger (14) is configured to receive fluid from the inlet (25) and pass fluid to the compression chamber. When the plunger (14) is at a first position, the compression chamber is at a first volume to receive fluid from the plunger (14) at a first pressure. When the plunger (14) is at a second position, the compression chamber is at a smaller second volume to pressurize the fluid within the compression chamber to a higher second pressure. The fluid at the second pressure is discharged from the compression chamber into the outlet (12).
摘要翻译：可变容量柱塞泵（10）包括限定容纳孔（67）的壳体组件（15），壳体孔可以被构造成沿着壳体孔的至少一部分接纳衬套（73）。可滑动地设置在所述壳体孔（67）内的轴向柱塞（14），以形成设置在所述柱塞（14）的远端（21）和所述出口（12）之间的压缩室。压缩室与出口（12）轴向对准。柱塞（14）构造成从入口（25）接收流体并将流体传递到压缩室。当柱塞（14）处于第一位置时，压缩室处于第一体积以在第一压力下从柱塞（14）接收流体。当柱塞（14）处于第二位置时，压缩室处于较小的第二体积，以将压缩室内的流体加压至较高的第二压力。第二压力下的流体从压缩室排出到出口（12）中。

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