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:
Jun. 18, 2019
Filed:
Feb. 29, 2016
Pratt & Whitney Canada Corp., Longueuil, CA;
Julien De La Bruere Terreault, Ste-Anne-de-Sorel, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A magnetic seal system adapted for use within a support structure mounted around a rotatable shaft. The magnetic seal system includes two annular seal assemblies configured to be surrounding the shaft to rotate therewith and be axially displaceable along the shaft. Each annular seal assembly includes an annular member adjacent to an annular seal. The magnetic seal system also includes an annular magnet configured to be sealingly connected to the support structure and surrounding the shaft The magnet being disposed between the two annular seals in a non-contacting relationship with the shaft and biasing the two annular members along the shaft towards the magnet, wherein adjacent contacting surfaces between each of the two annular seals and the magnet biasingly mate to form sealing interfaces.