公开(公告)号：US12122504B1

公开(公告)日：2024-10-22

申请号：US18542479

申请日：2023-12-15

Applicant: Archer Aviation Inc.

Inventor： Eric S. Loos ,  Danny L. Ball ,  Jacob P. Virkler ,  Matthew J. Morgan

IPC: B64C11/04 ,  F01D5/30

CPC classification number: B64C11/04 ,  F01D5/30

Abstract: Apparatus, systems, and methods for a propeller blade retention system. The retention system may include a hub including a socket formed by an inner surface of the hub, a blade extending into the socket and a retention sleeve having a first portion and a second portion. The retention system may include a filler sleeve disposed between the blade and the second portion of the retention sleeve, a first bearing disposed between the second portion of the retention sleeve and the inner surface of the hub, the first bearing having a first race, and a second bearing disposed between the first portion of the retention sleeve and the inner surface of the hub, the second bearing having a second race. The retention system may include a cap comprising a body portion and a flange portion. The retention system may include a shim carrier.