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:
May. 01, 2007
Filed:
Aug. 10, 2004
Applicant:
Michael Leslie Clyde Papple, Ile des Soeurs, CA;
Inventor:
Michael Leslie Clyde Papple, Ile des Soeurs, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An internally cooled airfoil for a gas turbine engine and a method of cooling in which at least two substantially parallel passages are in fluid communication with an exit plenum and adapted to reduce stagnation and improve strength, particularly in wide chord blades.