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. 31, 2012
Filed:
May. 22, 2009
Applicants:
Sami Girgis, Montreal, CA;
David F. Glasspoole, St. Lambert, CA;
Inventors:
Sami Girgis, Montreal, CA;
David F. Glasspoole, St. Lambert, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 1/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust mixer for a gas turbine engine including a plurality of circumferentially distributed alternating inner and outer lobes, where each of the inner lobes is configured with a circumferential offset between the base and the tip thereof, and a direction of the circumferential offset defined from the base to the tip of each of the inner lobes is the same for all of the inner lobes and opposite to that of a swirl component of a main gas path flow entering the exhaust mixer.