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:
Sep. 13, 2022
Filed:
Aug. 07, 2019
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Chao Zhang, Vaughan, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01); F01D 11/00 (2006.01); F01D 5/08 (2006.01);
U.S. Cl.
CPC ...
F01D 5/3015 (2013.01); F01D 5/081 (2013.01); F01D 11/006 (2013.01); F05D 2230/60 (2013.01); F05D 2240/55 (2013.01); F05D 2240/81 (2013.01); F05D 2260/36 (2013.01);
Abstract
The turbine blade includes an airfoil, a root connected to the airfoil and having lobed edges spaced apart on laterally opposed sides of an axis extending axially through the root, and an air passage extending through the airfoil and the root. A first tab extends at least partially along and laterally outward from a first edge of the laterally opposed lobed edges, and a second tab extending at least partially along and laterally outward from a second edge of the laterally opposed lobed edges.