公开(公告)号：US09897096B2

公开(公告)日：2018-02-20

申请号：US14268304

申请日：2014-05-02

Applicant: Grundfos Holding a/s

Inventor： Johnny Trangbaek Klausen ,  Thomas Sorensen

IPC: F04D29/046 ,  F04D29/047 ,  F16C43/02 ,  F04D29/62 ,  F16C35/02 ,  F16C33/04 ,  F04D17/12

CPC classification number: F04D29/046 ,  F04D17/122 ,  F04D29/0465 ,  F04D29/047 ,  F04D29/628 ,  F16C33/043 ,  F16C35/02 ,  F16C43/02

Abstract: A bearing unit (2), designed for attachment on a shaft of a pump assembly, has an inner sleeve (6) for receiving the shaft and a bearing sleeve (4) fixed on the outer periphery of the inner sleeve (6). At a first axial end (7) the inner sleeve (6) includes an engagement element (8), designed for positive, rotationally fixed engagement with the shaft or with a component (42) connected to the shaft. At a second opposite axial end the inner sleeve (6) includes a second contact shoulder (10), which fixes the bearing sleeve (4) in an axial direction (X). A pump assembly having such a bearing unit is also provided.