公开(公告)号：US09759241B2

公开(公告)日：2017-09-12

申请号：US14633774

申请日：2015-02-27

Applicant: ABB TECHNOLOGY AG

Inventor： Kim Missing ,  Esa Virtanen

IPC: F15B21/00 ,  H01F27/14

CPC classification number: F15B21/006 ,  E02B2201/00 ,  H01F27/14 ,  Y10T137/3115

Abstract: A pressure compensator is disclosed for a subsea electric installation, which includes a rigid bottle and a flexible bag placed in the rigid bottle, the pressure compensator including a first opening at a first end of the pressure compensator allowing fluid communication of an insulating medium arranged to intermediate space between the rigid bottle and the flexible bag, a second opening at a second end of the pressure compensator allowing fluid communication of seawater arranged within the flexible bag; and a bypass channel providing fluid communication between two points in the intermediate space of the pressure compensator.