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:
Jun. 04, 2013
Filed:
May. 27, 2009
Applicants:
Daljit Singh Grewal, Brampton, CA;
Alessandro Ciampa, Montreal, CA;
Jean-francois Caron, Drummondville, CA;
Inventors:
Daljit Singh Grewal, Brampton, CA;
Alessandro Ciampa, Montreal, CA;
Jean-Francois Caron, Drummondville, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An anti-vortex device for use in a compressor rotor assembly of a gas turbine engine is described. Spaced-apart radial passageways extend from an axially extending passage provided in a central area of the device to an outer peripheral rim surface thereof. The radial passageways channel air from the primary gaspath about the rotor assembly to the axially extending passage where the air is directed into a central axial passage of the rotor assembly.