公开(公告)号：US20190061930A1

公开(公告)日：2019-02-28

申请号：US15687350

申请日：2017-08-25

Applicant: Bell Helicopter Textron Inc.

Inventor： Dalton T. Hampton ,  Timothy Kent Ledbetter ,  Drew A. Sutton ,  Bryan W. Marshall ,  Paul Sherrill ,  Frank B. Stamps ,  James Donn Hethcock ,  Andrew Paul Haldeman ,  Paul K. Oldroyd

IPC: B64C27/473 ,  B64C27/06 ,  B64F5/40 ,  B29C73/04

Abstract: In one embodiment, a method may comprise coupling a plurality of reinforcement fibers to a plurality of spherical components; inserting the plurality of spherical components into an enclosure; and heating the enclosure to cause the plurality of spherical components to expand, wherein the plurality of spherical components expands to form a geodesic structure, wherein the geodesic structure comprises a plurality of polyhedron components configured in a geodesic arrangement.

公开(公告)号：US10800518B2

公开(公告)日：2020-10-13

申请号：US16272091

申请日：2019-02-11

Applicant: Bell Helicopter Textron Inc.

Inventor： Timothy Kent Ledbetter ,  Thomas Parham ,  Dalton T. Hampton ,  Frank Stamps ,  Zachary Edwin Dailey ,  Robert L. Milliken

IPC: B64C27/35 ,  B64C27/46

Abstract: An example of a hub for a tail rotor includes a body configured to couple to a mast of a rotor system, a trunnion disposed within the body, first and second shafts disposed on opposite sides of the trunnion, first and second end plates secured to the body, and first and second end bearings, the first end bearing disposed between the first shaft and the first end plate and the second end bearing disposed between the second shaft and the second end plate.