The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2025
Filed:
Jun. 17, 2022
Applicant:
Andritz Oy, Helsinki, FI;
Inventors:
Tommi Hammarberg, Helsinki, FI;
Sonja Hirvasniemi, Kotka, FI;
Assignee:
ANDRITZ OY, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/46 (2006.01); F16J 15/3268 (2016.01); F16J 15/3284 (2016.01); F16J 15/3296 (2016.01); G01M 3/28 (2006.01);
U.S. Cl.
CPC ...
F16J 15/46 (2013.01); F16J 15/3268 (2013.01); F16J 15/3284 (2013.01); F16J 15/3296 (2013.01); G01M 3/2869 (2013.01);
Abstract
A sealing arrangement () for a shaft, including at least a first seal element () arranged around the shaft (); at least a second seal element () arranged around the shaft (); wherein the first () and second () seal element include adjustable seal elements, wherein the first () and second () seal element include, respectively, an outer shell () of elastic material and a hollow core (), wherein the hollow core () of the first () and/or the second () seal element is pressurized with a fluid for an adjustable sealing effect.