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. 17, 2025
Filed:
Mar. 07, 2023
Applicant:
Pratt & Whitney Canada Corp., Québec, CA;
Inventors:
Masoud Roshan Fekr, St-Lambert, CA;
Rana Foroutan, St-Lambert, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Québec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01); F01D 5/14 (2006.01); F01D 21/00 (2006.01); F01D 21/04 (2006.01); F01D 25/28 (2006.01); G01M 5/00 (2006.01); G01M 15/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/30 (2013.01); F01D 5/14 (2013.01); F05D 2230/60 (2013.01);
Abstract
A test blade for a blade release test, including: an airfoil extending radially from a platform; and a root portion secured to the platform, the root portion having a first inner opening extending longitudinally from a leading edge of the root portion towards a trailing edge of the root portion, wherein the first inner opening extends from and is located within two second inner openings, one of which extends from the leading edge of the root portion and the other extends from the trailing edge of the root portion.