公开(公告)号：US11628923B2

公开(公告)日：2023-04-18

申请号：US16949868

申请日：2020-11-18

Applicant: Bell Textron Inc.

Inventor： Abey Kurikesu ,  Amarjit O. Kizhakkepat

IPC: B64C7/02 ,  B64C29/00 ,  B64D7/00

Abstract: An aircraft, including a fixed nacelle disposed on a wing of the aircraft, the fixed nacelle including a nacelle opening; a proprotor pylon disposed on the wing and rotatable relative to the fixed nacelle between a substantially horizontal position and a non-horizontal position, wherein rotation of the proprotor pylon to a non-horizontal position exposes the nacelle opening; and a movable cover disposed on at least one of the wing and fixed nacelle, said movable cover including a plurality of cover members that are movable between a closed position where at least a portion of the cover members collectively form a protective cover in front of the nacelle opening when the proprotor pylon is positioned in the non-horizontal position and a stowed position where at least a portion of the plurality of cover members are stowed. In other aspects, there is provide a method of covering a nacelle opening.

公开(公告)号：US20210070421A1

公开(公告)日：2021-03-11

申请号：US16949868

申请日：2020-11-18

Applicant: Bell Textron Inc.

Inventor： Abey Kurikesu ,  Amarjit O. Kizhakkepat

IPC: B64C7/02 ,  B64C29/00

Abstract: An aircraft, including a fixed nacelle disposed on a wing of the aircraft, the fixed nacelle including a nacelle opening; a proprotor pylon disposed on the wing and rotatable relative to the fixed nacelle between a substantially horizontal position and a non-horizontal position, wherein rotation of the proprotor pylon to a non-horizontal position exposes the nacelle opening; and a movable cover disposed on at least one of the wing and fixed nacelle, said movable cover including a plurality of cover members that are movable between a closed position where at least a portion of the cover members collectively form a protective cover in front of the nacelle opening when the proprotor pylon is positioned in the non-horizontal position and a stowed position where at least a portion of the plurality of cover members are stowed. In other aspects, there is provide a method of covering a nacelle opening.