公开(公告)号：US11453491B2

公开(公告)日：2022-09-27

申请号：US17173860

申请日：2021-02-11

Applicant: Bell Textron Inc.

Inventor： Elizabeth Feeley ,  Karl H. Schroeder ,  George Matthew Thompson ,  Michael Mark Attaway ,  Joseph Richard Carpenter, Jr.

IPC: B64C11/00 ,  B64C27/82 ,  B64C29/00 ,  F01D5/02 ,  F04D29/54 ,  F01D9/04

Abstract: One embodiment is a rotor system comprising a duct ring; a hub disposed centrally to the duct ring; first and second stators each connected between the duct ring and the hub; first and second control vanes rotatably connected to the first and second stators, respectively; a structural hoop having a first end connected to the first control vane and a second end connected to the second control vane, the structural hoop for translating rotation of the first control vane about a vane axis to the second control vane; and a mechanism for restricting at least one of forward-aft movement and side-to-side movement of the structural hoop relative to the duct ring.

公开(公告)号：US20210394899A1

公开(公告)日：2021-12-23

申请号：US17173860

申请日：2021-02-11

Applicant: Bell Textron Inc.

Inventor： Elizabeth Feeley ,  Karl H. Schroeder ,  George Matthew Thompson ,  Michael Mark Attaway ,  Joseph Richard Carpenter, JR.

IPC: B64C29/00 ,  F01D5/02 ,  F01D9/04 ,  F04D29/54

Abstract: One embodiment is a rotor system comprising a duct ring; a hub disposed centrally to the duct ring; first and second stators each connected between the duct ring and the hub; first and second control vanes rotatably connected to the first and second stators, respectively; a structural hoop having a first end connected to the first control vane and a second end connected to the second control vane, the structural hoop for translating rotation of the first control vane about a vane axis to the second control vane; and a mechanism for restricting at least one of forward-aft movement and side-to-side movement of the structural hoop relative to the duct ring.