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:
Feb. 22, 2022
Filed:
Mar. 05, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Santosh Ranganath, Glastonbury, CT (US);
Andrew C Kilguss, Tolland, CT (US);
William P Ogden, Hanover, PA (US);
James P. Hammond, Southington, CT (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F16J 15/00 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F01D 11/003 (2013.01); F01D 11/005 (2013.01); F16J 15/002 (2013.01); F16J 15/34 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01);
Abstract
An improved face seal may comprise a seal housing having an annular extrusion, and a primary seal coupled to the seal housing. The primary seal comprises a sealing face and a base opposite the sealing face, wherein the primary seal has an annular structure coaxial with the annular extrusion with the base proximate a first end of the seal housing. The sealing face comprises a disrupted surface.