公开(公告)号：US10378522B2

公开(公告)日：2019-08-13

申请号：US14603639

申请日：2015-01-23

申请人： CDI Energy Products, Inc.

发明人： Stephen Earl Smith

IPC分类号： F04B1/04 ,  F04B53/02 ,  F04B53/14 ,  F04B53/16

摘要： A piston pump including a cylinder body having an internal fluid chamber, a piston configured to axially cycle within the cylinder body, an inlet valve, an outlet valve, an annular seal positioned between the piston and cylinder body, a barrier fluid pocket formed in the cylinder body adjacent one end of the annular seal, and a barrier fluid contained within the barrier fluid pocket, the barrier fluid preventing suspended solids in pumped fluid from contacting the annular seal.

公开(公告)号：US20150204316A1

公开(公告)日：2015-07-23

申请号：US14603639

申请日：2015-01-23

申请人： CDI Energy Products, Inc.

发明人： Stephen Earl Smith

IPC分类号： F04B7/02 ,  F04B53/10

CPC分类号： F04B1/0448 ,  F04B53/02 ,  F04B53/143 ,  F04B53/162

摘要： A piston pump including a cylinder body having an internal fluid chamber, a piston configured to axially cycle within the cylinder body, an inlet valve, an outlet valve, an annular seal positioned between the piston and cylinder body, a barrier fluid pocket formed in the cylinder body adjacent one end of the annular seal, and a barrier fluid contained within the barrier fluid pocket, the barrier fluid preventing suspended solids in pumped fluid from contacting the annular seal.

摘要翻译： 一种活塞泵，包括具有内部流体室的缸体，构造成在缸体内轴向循环的活塞，入口阀，出口阀，位于活塞和缸体之间的环形密封件，形成在阀体中的阻挡流体袋 缸体与环形密封件的一端相邻，以及容纳在阻挡液体袋内的阻挡流体，阻挡流体防止泵送流体中的悬浮固体与环形密封接触。