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:
Jul. 04, 2023
Filed:
Feb. 14, 2020
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Pantcho P. Stoyanov, West Hartford, CT (US);
Jonathan F. Zimmitti, Glastonbury, CT (US);
Nasr A. Shuaib, Watertown, MA (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F16J 15/16 (2006.01); F01D 25/00 (2006.01); F01D 25/18 (2006.01); F16J 15/30 (2006.01);
U.S. Cl.
CPC ...
F01D 11/003 (2013.01); F01D 25/005 (2013.01); F01D 25/186 (2013.01); F16J 15/162 (2013.01); F16J 15/30 (2013.01); F05D 2240/55 (2013.01); F05D 2300/224 (2013.01); F05D 2300/611 (2013.01);
Abstract
A seal assembly includes a carbon seal that has a sealing surface. A seal seat has a sealing surface and is positioned for rotation relative to the carbon seal. A diamond-like carbon coating at least partially forms the sealing surface on the seal seat.