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. 03, 2007
Filed:
Jul. 15, 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, Québec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A partial rib for use in a turbine blade is disclosed which provides one or more of improved strength, air flow distribution and cooling. In one embodiment, the rib has a height of between 0.3 and 0.9 of the airfoil height.