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:
Oct. 10, 2006
Filed:
Apr. 02, 2004
Applicants:
Parthasarathy Sampath, Mississauga, CA;
Qing-ping Zheng, Mississauga, CA;
Inventors:
Parthasarathy Sampath, Mississauga, CA;
Qing-Ping Zheng, Mississauga, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, 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 fuel nozzle head includes an outlet passage having a curved annular transitional surface extending smoothly to a substantially radial and annular surface relative to a central axis of the fuel nozzle head, for providing a low cost and compact structure with improved cold start and altitude re-light capabilities.