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. 07, 2018
Filed:
Jun. 04, 2014
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Larry Lebel, Vercheres, CA;
Michael Papple, Verdun, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23R 3/00 (2006.01); F23R 3/60 (2006.01); F23R 3/06 (2006.01); F02C 7/28 (2006.01);
U.S. Cl.
CPC ...
F23R 3/002 (2013.01); F02C 7/28 (2013.01); F23R 3/06 (2013.01); F23R 3/60 (2013.01); F23M 2900/05005 (2013.01); F23R 2900/00012 (2013.01); F23R 2900/03041 (2013.01); F23R 2900/03044 (2013.01); Y02T 50/675 (2013.01);
Abstract
A seal for sealing a combustor heat shield against an interior surface of a combustor shell, the seal comprising: an upstream rail and an downstream rail defining an intermediate groove therebetween, each rail having a sealing surface with a plurality of slots extending between an upstream wall surface and a downstream wall surface, the sealing surface conforming to the interior surface of the combustor shell and defining a leakage gap therebetween.