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:
Dec. 06, 2016
Filed:
Feb. 18, 2009
Applicants:
Brandon Philip Williams, Urbandale, IA (US);
Kevin Eugene Thompson, West Des Moines, IA (US);
Robert Russell Fogarty, West Des Moines, IA (US);
Inventors:
Brandon Philip Williams, Urbandale, IA (US);
Kevin Eugene Thompson, West Des Moines, IA (US);
Robert Russell Fogarty, West Des Moines, IA (US);
Assignee:
Rolls-Royce plc, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23R 3/14 (2006.01); F23D 11/10 (2006.01); F23R 3/28 (2006.01);
U.S. Cl.
CPC ...
F23R 3/14 (2013.01); F23D 11/107 (2013.01); F23R 3/28 (2013.01);
Abstract
A fuel nozzle for a gas turbine engine is disclosed which includes a nozzle body having a longitudinal axis, an elongated annular air passage defined within the nozzle body, and a plurality of circumferentially spaced apart axially extending swirl vanes disposed within the annular air passage, wherein each swirl vane has multiple joined leads and a variable thickness along the axial extent thereof.