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:
Oct. 25, 2011
Filed:
Mar. 26, 2009
Frank Kelly, Oakville, CA;
Kari Heikurinen, Oakville, CA;
Edward Fazari, Etobicoke, CA;
Yuhua Wu, Brampton, CA;
Frank Kelly, Oakville, CA;
Kari Heikurinen, Oakville, CA;
Edward Fazari, Etobicoke, CA;
Yuhua Wu, Brampton, CA;
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Abstract
A frequency mistuned integrally bladed rotor (IBR) for a gas turbine engine comprises a hub and a circumferential row of blades of varying frequency projecting integrally from the hub. Each blade in the row alternate with another blade having a different pressure surface definition but similar suction surface, leading edge and trailing edge definitions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile