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:
May. 15, 2018
Filed:
Feb. 02, 2017
Applicant:
Mide Technology Corporation, Medford, MA (US);
Inventors:
Andrew Cutler, Seattle, WA (US);
Stephen Hanly, Charlestown, MA (US);
Steven A. Klepper, Stoneham, MA (US);
Christopher Ludlow, Melrose, MA (US);
Mark Spadafora, Arlington, MA (US);
Marthinus van Schoor, Arlington, MA (US);
Assignee:
Mide Technology Corporation, Medford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01); F16J 15/00 (2006.01); F16J 15/3204 (2016.01); F16J 15/54 (2006.01); B63H 23/32 (2006.01);
U.S. Cl.
CPC ...
F16J 15/008 (2013.01); B63H 23/321 (2013.01); F16J 15/3204 (2013.01); F16J 15/3452 (2013.01); F16J 15/3496 (2013.01); F16J 15/54 (2013.01); B63H 2023/327 (2013.01);
Abstract
A seal system includes a face seal rotor ring including a wide sealing face preferably made of tungsten carbide. The stator ring includes a narrower sealing face confronting the rotor ring wide sealing face. The stator ring sealing face is preferably made of polyamide-imide and tapers to narrower widths rearwardly.