公开(公告)号：US20180209420A1

公开(公告)日：2018-07-26

申请号：US15745619

申请日：2016-06-15

Applicant: Edwards Limited

Inventor： Gary Peter Knight ,  Andrew James Seeley ,  Geoffrey Young ,  Duncan Michael Price

IPC: F04C19/00 ,  F04C25/00 ,  F04C29/00 ,  F04C29/02

CPC classification number: F04C19/005 ,  F04C19/00 ,  F04C19/004 ,  F04C25/00 ,  F04C29/0085 ,  F04C29/02 ,  F04C2280/04

Abstract: Liquid ring pumps are used to pump a variety of fluid types. Corrosive fluids are easily handled by the work fluid but can cause corrosion of pumping mechanisms. The present invention provides a magnetically driven liquid ring pump with corrosion resistant pumping mechanisms which achieves a longer time between service intervals.

公开(公告)号：US10655626B2

公开(公告)日：2020-05-19

申请号：US15745619

申请日：2016-06-15

Applicant: Edwards Limited

Inventor： Gary Peter Knight ,  Andrew James Seeley ,  Geoffrey Young ,  Duncan Michael Price

IPC: F04C19/00 ,  F04C25/00 ,  F04C29/00 ,  F04C29/02

Abstract: Liquid ring pumps are used to pump a variety of fluid types. Corrosive fluids are easily handled by the work fluid but can cause corrosion of pumping mechanisms. The present invention provides a magnetically driven liquid ring pump with corrosion resistant pumping mechanisms which achieves a longer time between service intervals.