Patents by Inventor Alison Ann Woodruff

Alison Ann Woodruff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • ROTOR SYSTEMS AND METHODS
    Publication number: 20190118961
    Abstract: A rotor system including a hub; a rim configured to rotate about the hub, the rim including an interior surface and an engagement surface; a plurality of rotor blades extending from the hub and coupled to the interior surface of the rim; and one or more outer drive gears disposed adjacent to the engagement surface of the rim; each of the one or more outer drive gears including a plurality of teeth for engaging the engagement surface of the rim; wherein the one or more outer drive gears are configured to rotate the rim such that the plurality of rotor blades rotates about the hub. Other aspects provide an aircraft rotor system and methods of operating an aircraft rotor system.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 25, 2019
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Alison Ann Woodruff, Charles Speller