公开(公告)号：US20240318725A1

公开(公告)日：2024-09-26

申请号：US18576087

申请日：2022-06-17

Applicant: ANDRITZ OY

Inventor： Tommi HAMMARBERG ,  Sonja HIRVASNIEMI

IPC: F16J15/46 ,  F16J15/3268 ,  F16J15/3284 ,  F16J15/3296 ,  G01M3/28

CPC classification number: F16J15/46 ,  F16J15/3268 ,  F16J15/3284 ,  F16J15/3296 ,  G01M3/2869

Abstract: A sealing arrangement (100) for a shaft, including at least a first seal element (10a) arranged around the shaft (30); at least a second seal element (10b) arranged around the shaft (30); wherein the first (10a) and second (10b) seal element include adjustable seal elements, wherein the first (10a) and second (10b) seal element include, respectively, an outer shell (14a,14b) of elastic material and a hollow core (12a,12b), wherein the hollow core (12a,12b) of the first (10a) and/or the second (10b) seal element is pressurized with a fluid for an adjustable sealing effect.