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:
Aug. 27, 2019
Filed:
Jun. 15, 2017
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Jonathan Logan Miller, Ware, MA (US);
Colin D. Craig, West Hartford, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F16J 15/16 (2006.01); F16J 15/44 (2006.01); F01D 25/16 (2006.01);
U.S. Cl.
CPC ...
F01D 11/003 (2013.01); F01D 25/162 (2013.01); F16J 15/16 (2013.01); F16J 15/441 (2013.01); F05D 2220/32 (2013.01); F05D 2240/60 (2013.01);
Abstract
A ring seal assembly includes a first ring seal that is symmetrical with respect to a radially extending plane. A second ring seal is separated axially from the first ring seal by a spring. The second ring seal includes a first inner circumferential surface. An interference feature extends radially inward from the first inner circumferential surface to a second inner circumferential surface.