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. 01, 2024
Filed:
May. 09, 2023
Pratt & Whitney Canada Corp., Longueuil, CA;
Michel Desjardins, St Hubert, CA;
Pratt & Whitney Canada Corp., Longueuil, CA;
Abstract
A method of assembling a reduction gearbox is provided that includes: a) aligning first and second ring gears by mounting the first ring gear in a first casing section in a first predetermined position and mounting the second ring gear in a second casing section in a second predetermined position, wherein the first and second casing sections mate with one another in a defined orientation; b) angularly aligning a plurality of planet gear assemblies relative to one another, each planet gear assembly having a main gear, a first lateral gear, and a second lateral gear coupled to one another; c) disposing the aligned planet gear assemblies between the first and second casing sections; and d) coupling the first and second casing sections together in the defined orientation with the first lateral gears meshed with the first ring gear and the second lateral gears meshed with the second ring gear.