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:
Sep. 03, 2002
Filed:
Dec. 22, 2000
Applicant:
Inventors:
Peter Stuttaford, Toronto, CA;
Stephen Oliver Oikawa, Toronto, CA;
David Edwin Cowburn, Oakville, CA;
Assignee:
Pratt & Whitney Canada Corp., Quebec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 3/00 ; F23R 3/40 ;
U.S. Cl.
CPC ...
F02C 3/00 ; F23R 3/40 ;
Abstract
A premixer for an industrial type gas turbine engine wherein the premixer includes a diffuser ring assembly made up of annular concentric rings and upstream of the diffuser ring assembly in the airflow path is a corresponding fuel manifold ring assembly, each ring in the manifold ring assembly corresponding to a passageway formed between the diffuser rings, and each manifold ring includes a downstream channel for feeding the fuel to the air as the air passes by the ring.