US 12,253,155 B2
Gearbox assembly
Andrea Piazza, Turin (IT); and Ravindra Shankar Ganiger, Bengaluru (IN)
Assigned to GENERAL ELECTRIC COMPANY, Evendale, OH (US); and GE AVIO S.R.L., Rivalta di Torino (IT)
Filed by General Electric Company, Schenectady, NY (US); and GE Avio S.r.l., Rivalta di Torino (IT)
Filed on May 10, 2024, as Appl. No. 18/661,105.
Application 18/661,105 is a continuation of application No. 18/165,590, filed on Feb. 7, 2023, granted, now 12,007,011.
Claims priority of application No. 102022000017307 (IT), filed on Aug. 12, 2022.
Prior Publication US 2024/0295259 A1, Sep. 5, 2024
Int. Cl. F16H 55/08 (2006.01); F16H 57/02 (2012.01)
CPC F16H 55/088 (2013.01) [F16H 57/02 (2013.01); F16H 55/0886 (2013.01); F16H 2057/02039 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gearbox assembly comprising:
a first gear comprising a plurality of first gear teeth; and
a second gear comprising a plurality of second gear teeth, the plurality of first gear teeth and the plurality of second gear teeth meshing with each other as the first gear and the second gear rotate,
wherein a profile shape of at least one first gear tooth of the first gear is characterized by a total profile modification between 66 micrometers and 120 micrometers, wherein the total profile modification includes a profile tip relief and a helix relief of the at least one first gear tooth.