Hybrid sliding element and elastomeric bearing

摘要

According to one embodiment, a bearing is situated in a rotor system. The bearing features a housing having a first opening therethrough, a first member disposed within the first opening and having a second opening therethrough, and an elastomeric bearing disposed within the second opening and having a third opening therethrough configured to receive a shaft. The first member having at least one substantially curved surface. A sliding element bearing disposed between the housing and the first member.

主权项

1. A rotorcraft, comprising:
a body; a power train coupled to the body and comprising a power source and a drive shaft coupled to the power source; a hub; a rotor blade coupled to the hub; a swashplate positioned about the drive shaft; a pitch link coupled between the swashplate and the hub corresponding to the rotor blade; and a bearing coupled between the hub and the drive shaft, the bearing comprising: a housing having a first opening therethrough; a first member disposed within the first opening and having a second opening therethrough, the first member having at least one substantially curved surface; an elastomeric bearing disposed within the second opening and having a third opening therethrough, the drive shaft disposed at least partially through the third opening; and a sliding element bearing disposed between the elastomeric bearing and the first member.