Spherical mounted cylindrical roller bearing system
AssigneeTextron Innovations Inc.
InventorsColton J. Gilliland, Russell L. Mueller
Life of this patent
Estimating the term…
Abstract
A planetary gear system is provided in one example embodiment and may include a planet gear further comprising a bearing system, the bearing system further comprising an inner bearing assembly comprising a spherical bearing and an outer race; an outer bearing assembly comprising a plurality of cylindrical roller bearings, an inner race, and an outer race; and a race element comprising an inner surface and an outer surface, wherein the outer surface of the race element is the inner race for the outer bearing assembly and the inner surface of the race element is associated with the outer race for the inner bearing assembly.
Claims20
A planetary gear system, comprising:
- a planet gear further comprising a bearing system, the bearing system further comprising:
- an inner bearing assembly comprising a spherical bearing and an outer race;
- an outer bearing assembly comprising a plurality of cylindrical roller bearings, an inner race, and an outer race;
- and
- a race element comprising an inner surface and an outer surface, wherein the outer surface of the race element is the inner race for the outer bearing assembly and the inner surface of the race element is associated with the outer race for the inner bearing assembly.
An aircraft, comprising:
- a fuselage;
- and
- at least one propulsion system, the at least one propulsion system comprising at least one planetary gear system, the at least one planetary gear system further comprising a plurality of planet gears, wherein each planet gear further comprises a bearing system, the bearing system of each planet gear further comprising:
- an inner bearing assembly comprising a spherical bearing and an outer race;
- an outer bearing assembly comprising a plurality of cylindrical roller bearings, an inner race, and an outer race;
- and
- a race element comprising an inner surface and an outer surface, wherein the outer surface of the race element is the inner race for the outer bearing assembly and the inner surface of the race element is associated with the outer race for the inner bearing assembly.
Dependencies are inferred from the claim text.