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:
Mar. 10, 2026
Filed:
Aug. 02, 2024
Pratt & Whitney Canada Corp., Québec, CA;
Jason Nichols, Mississauga, CA;
Hien Duong, Mississauga, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A centrifugal compressor of an aircraft gas turbine engine includes an impeller having a hub, vanes and a shroud surrounding the hub and the vanes to form a flow path from an inducer portion at an upstream side of the impeller to an exducer portion at an impeller exit. Each vane includes, at the impeller exit, a trailing edge and the trailing edge of one or more vanes. The vanes include a hub-side trailing edge portion proximate to the hub and exhibiting backsweep of a first degree, and a shroud-side trailing edge portion proximate to the shroud and exhibiting backsweep of a second degree.