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. 01, 2022
Filed:
Oct. 29, 2018
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Armando Amador, Wethersfield, CT (US);
Todd A. Davis, Tolland, CT (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/18 (2006.01); F01D 25/20 (2006.01); F02C 7/28 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F01D 25/183 (2013.01); F01D 25/20 (2013.01); F02C 7/28 (2013.01); F16J 15/3404 (2013.01);
Abstract
A seal system has: a first member; a seal carried by the first member and having a seal face; and a second member rotatable relative to the first member about an axis. The second member has: a seat, the seat having a seat face in sliding sealing engagement with the seal face; and a circumferential array of passageway legs. The second member further has an annular channel axially spaced from the seat face, the passageway legs connected to the annular channel.