Patents by Inventor Dan Nyhus

Dan Nyhus 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).

  • Centrifugally activated variable damper assembly
    Patent number: 6082968
    Abstract: A centrifugally activated variable damper assembly for a stopped-rotor aircraft is disclosed for adjusting dampening level of teetering motions produced by the rotors during the in-flight conversion process from rotary-wing to fixed-wing flight, or vise versa. The assembly includes a damper valve responsive to centrifugal forces produced by rotational speed of the aircraft rotor. The assembly also includes dampers within the rotor system that operate at variable damping levels in response to centrifugal forces acting upon the damper valve.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: July 4, 2000
    Assignee: The Boeing Company
    Inventor: Dan Nyhus