Patents by Inventor Edward W. Chase, III

Edward W. Chase, III 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).

  • Damper and seal for propeller quill shaft
    Patent number: 5462410
    Abstract: Damping and sealing of the quill shaft (30) that transmits torque from one rotating component to another as for example in a pitch change actuator system for aeronautical propellers is provided by an O-ring (40) mounted in the space between the end of ball screw (20) and the flange (41) radially extending from quill shaft (30) and the preload of the O-ring (40) provided by the shims (46) bearing against flange (41) and O-ring (40) which serves to enhance the wearability of splines (26, 28 and 50).
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: October 31, 1995
    Assignee: United Technologies Corporation
    Inventors: Dale E. Smith, Edward W. Chase, III