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:
Apr. 10, 2012
Filed:
Jan. 08, 2008
Applicants:
David F. Glasspoole, St. Lambert, CA;
François Caron, Longueuil, CA;
Inventors:
David F. Glasspoole, St. Lambert, CA;
François Caron, Longueuil, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/06 (2006.01); F01D 5/08 (2006.01); F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Inlets are provided at a front end of inter-blade cavities for allowing coolant to flow therein to cool down the undersurface of the blade platforms as well as the rim of the disc of a rotor assembly.