The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 27, 2022

Filed:

Feb. 11, 2021
Applicant:

Bell Textron Inc., Fort Worth, TX (US);

Inventors:

Elizabeth Feeley, Dallas, TX (US);

Karl H. Schroeder, Southlake, TX (US);

George Matthew Thompson, Lewisville, TX (US);

Michael Mark Attaway, Arlington, TX (US);

Joseph Richard Carpenter, Jr., Burleson, TX (US);

Assignee:

Textron Innovations inc., Providence, RI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/00 (2006.01); B64C 27/82 (2006.01); B64C 29/00 (2006.01); F01D 5/02 (2006.01); F04D 29/54 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
B64C 29/0033 (2013.01); F01D 5/02 (2013.01); F01D 9/041 (2013.01); F04D 29/545 (2013.01); F05D 2220/90 (2013.01); F05D 2240/20 (2013.01);
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.


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