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.

Date of Patent:
Nov. 11, 2025

Filed:

Nov. 11, 2024
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

Guy Lefebvre, St-Bruno-de-Montarville, CA;

Lorenzo Sanzari, Montreal, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F01D 25/28 (2006.01);
U.S. Cl.
CPC ...
F04D 29/444 (2013.01); F01D 25/28 (2013.01); F05D 2220/323 (2013.01);
Abstract

A compressor assembly has: an impeller rotatable about a central axis, the impeller mounted on a shaft; a bearing housing extending around the central axis and radially supporting the shaft; and a diffuser downstream of the impeller, the diffuser having: an annular member extending circumferentially around the central axis, vanes circumferentially distributed around the central axis and protruding from one of the annular member and the bearing housing, the vanes extending from bases at the one of the annular member and the bearing housing to tips at the other of the annular member and the bearing housing, and lug and slot connections defined between the annular member and the bearing housing to secure the annular member to the bearing housing.


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