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:
Aug. 11, 2026
Filed:
Aug. 19, 2025
Pratt & Whitney Canada Corp., Longueuil, CA;
Guy Lefebvre, Longueuil, CA;
Francois Doyon, Longueuil, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A scroll case configured for directing combustion gases to a turbine section of an aircraft engine, comprises an outer shell extending around a central axis and having an inlet for receiving the combustion gases, and an inner casting received inside the outer shell and defining therewith a conduit extending around the central axis from the inlet to an axially oriented outlet for directing the combustion gases to the turbine section of the aircraft engine. The inner casting has vanes circumferentially distributed around the central axis and projecting axially across the conduit from a front axially facing surface of the inner casting to a rear axially facing surface of the outer shell. The vanes are fastened to the rear axially facing surface of the outer shell around the axially oriented outlet.