Patents by Inventor Mikel Brigley

Mikel Brigley 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).

  • Hub separation in dual rotor rotary wing aircraft
    Patent number: 10717521
    Abstract: An aircraft includes an airframe; an extending tail; a counter rotating, coaxial main rotor assembly including an upper rotor assembly and a lower rotor assembly; and a translational thrust system positioned at the extending tail, the translational thrust system providing translational thrust to the airframe; wherein a ratio of (i) the hub separation between the hub of the upper rotor assembly and the hub of the lower rotor assembly to (ii) a radius of the upper rotor assembly is between about 0.1 and about 0.135.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: July 21, 2020
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Steven D. Weiner, Mikel Brigley, David H. Hunter
  • HUB SEPARATION IN DUAL ROTOR ROTARY WING AIRCRAFT
    Publication number: 20170297690
    Abstract: An aircraft includes an airframe; an extending tail; a counter rotating, coaxial main rotor assembly including an upper rotor assembly and a lower rotor assembly; and a translational thrust system positioned at the extending tail, the translational thrust system providing translational thrust to the airframe; wherein a ratio of (i) the hub separation between the hub of the upper rotor assembly and the hub of the lower rotor assembly to (ii) a radius of the upper rotor assembly is between about 0.1 and about 0.135.
    Type: Application
    Filed: September 28, 2015
    Publication date: October 19, 2017
    Inventors: Steven D. Weiner, Mikel Brigley, David H. Hunter