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:
Nov. 04, 2025
Filed:
Dec. 08, 2023
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Roberto Brito, Beloeil, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Québec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 37/06 (2006.01); B64D 35/02 (2006.01); F01D 15/12 (2006.01); F02C 7/32 (2006.01); F16H 57/08 (2006.01); F16H 57/02 (2012.01);
U.S. Cl.
CPC ...
F16H 37/065 (2013.01); B64D 35/02 (2013.01); F01D 15/12 (2013.01); F05D 2260/40311 (2013.01); F16H 2057/0203 (2013.01); F16H 2057/02043 (2013.01); F16H 2057/02082 (2013.01);
Abstract
A reduction gearbox of an aircraft propulsion system includes an input shaft configured to input rotational energy into the reduction gearbox, an output shaft configured to output rotational energy from the reduction gearbox to a propulsor of the aircraft propulsion system, and an epicyclic gear arrangement mechanically coupling the output shaft to the input shaft. A transfer gear is positioned at a component of the epicyclic gear arrangement and is configured to mechanically couple an accessory component to the reduction gearbox.