US 12,110,963 B2
Gearbox assembly
Leonardo Orlando, Turin (IT); and Juraj Hrubec, Prague (CZ)
Assigned to GE AVIO S.R.L., Rivalta di Torino (IT); and GE AVIATION CZECH S.R.O., Prague (CZ)
Filed by GE Avio S.r.l., Rivalta di Torino (IT); and GE Aviation Czech s.r.o., Prague (CZ)
Filed on Aug. 15, 2023, as Appl. No. 18/450,050.
Claims priority of application No. 102022000023943 (IT), filed on Nov. 21, 2022.
Prior Publication US 2024/0191794 A1, Jun. 13, 2024
Int. Cl. F16H 57/08 (2006.01); F16C 19/38 (2006.01); F16H 1/28 (2006.01); F16H 3/66 (2006.01); F16H 3/44 (2006.01)
CPC F16H 57/08 (2013.01) [F16C 19/38 (2013.01); F16H 1/28 (2013.01); F16C 2240/40 (2013.01); F16C 2240/70 (2013.01); F16C 2240/80 (2013.01); F16C 2240/82 (2013.01); F16C 2240/84 (2013.01); F16C 2361/65 (2013.01); F16H 3/44 (2013.01); F16H 3/66 (2013.01); F16H 3/663 (2013.01); F16H 3/666 (2013.01); F16H 2057/085 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gearbox assembly comprising:
a plurality of planet gears, at least one planet gear of the plurality of planet gears including a layshaft;
one or more roller bearings disposed within the layshaft and including a plurality of rolling elements; and
a bearing radial envelope in a range of 1.2 to 4.325, the bearing radial envelope being equal to

OG Complex Work Unit Math
where Nr is a number of rolling elements in a respective bearing, Lr is a rolling element length of the plurality of rolling elements, and Dp is a gear pitch diameter of the at least one planet gear.