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：US20170307009A1

公开(公告)日：2017-10-26

申请号：US15646546

申请日：2017-07-11

Applicant: BELL HELICOPTER TEXTRON INC.

Inventor： Frank B. Stamps ,  Bryan W. Marshall

IPC: F16C23/04 ,  B64C27/48 ,  B64C27/82

Abstract: A rotary system and method to control feathering movement of a rotor blade. The system having a yoke arm configured to rotate a rotor blade. A first bearing and a second bearing are utilized to secure the rotor blade to the yoke arm and are configured to restrict longitudinal and transverse movement, while allowing feathering movement of the rotor blade relative to yoke arm.