公开(公告)号：WO2013045592A3

公开(公告)日：2014-01-03

申请号：PCT/EP2012069151

申请日：2012-09-27

Applicant: GE HEALTHCARE BIO SCIENCES AB

Inventor： LUNDKVIST MATS

IPC: F04B53/14

CPC classification number: F16J1/005 ,  F04B53/143 ,  F16J15/00

Abstract: Disclosed is piston pump (10) and piston assembly (30) for such a pump. The piston pump includes a cylinder (20) having an inner wall surface (22) formed around an axis A of the cylinder; and a piston assembly (30) for sliding along said cylinder axis, said piston assembly includes a slideable flexible seal (34) in generally sealing contact with said inner wall surface, and a seal mounting (44), said seal mounting having a plurality of circumferentially arranged members (37) moveable radially of said axis to increase or decrease the size of the seal.

Abstract translation: 公开了用于这种泵的活塞泵（10）和活塞组件（30）。 活塞泵包括：缸体（20），其具有围绕气缸的轴线A形成的内壁表面（22）; 以及用于沿所述气缸轴线滑动的活塞组件（30），所述活塞组件包括与所述内壁表面大致密封接触的可滑动柔性密封件（34）和密封件安装件（44），所述密封件安装件具有多个 周向布置的构件（37）可以在所述轴线的径向上移动以增加或减小密封件的尺寸。