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:
Apr. 18, 2017
Filed:
Jun. 03, 2014
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Michael Papple, Verdun, CA;
Robert Sze, Mississauga, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23R 3/00 (2006.01); F02C 7/18 (2006.01); F23R 3/02 (2006.01); F23R 3/10 (2006.01);
U.S. Cl.
CPC ...
F23R 3/002 (2013.01); F02C 7/18 (2013.01); F23R 3/02 (2013.01); F23R 3/10 (2013.01); F23R 2900/03043 (2013.01); F23R 2900/03045 (2013.01);
Abstract
A heat shield for a combustor of a gas turbine engine has a heat shield adapted to be mounted to a combustor wall with a back face of the heat shield in spaced-apart facing relationship with an inner surface of the combustor wall to define an air gap. Rails extend from the back face of the heat shield across the air gap. Grooves are defined in at least one of the rails. The rail grooves are in fluid flow communication with the air gap when the heat shield is mounted to the combustor wall.