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:
Jan. 04, 2011
Filed:
Mar. 30, 2007
Applicants:
Eduardo Hawie, Woodbridge, CA;
Lorin Markarian, Etobicoke, CA;
Parthasarathy Sampath, Mississauga, CA;
Inventors:
Eduardo Hawie, Woodbridge, CA;
Lorin Markarian, Etobicoke, CA;
Parthasarathy Sampath, Mississauga, 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 gas turbine combustor is provided with a dome heat shield having a fuel nozzle opening, the opening receiving a floating collar assembly for permitting relative movement between nozzle and heat shield. The floating collar is provided with a louver to provide film cooling to the face of the combustor heat shield and, thus, improve cooling thereof.