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:
Jul. 06, 2010
Filed:
Nov. 17, 2006
Applicants:
Bhawan B. Patel, Mississauga, CA;
Lorin Markarian, Etobicoke, CA;
Stephen Phillips, Etobicoke, CA;
Eduardo Hawie, Woodbridge, CA;
Inventors:
Bhawan B. Patel, Mississauga, CA;
Lorin Markarian, Etobicoke, CA;
Stephen Phillips, Etobicoke, CA;
Eduardo Hawie, Woodbridge, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 1/00 (2006.01); F02G 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A combustor heat shield has a body with heat exchange promoting protuberances extending from a back face thereof. The density of protuberances is less in hot spot regions than in other heat shield regions which require less cooling.