Patents by Inventor Curtis J. Hutchins

Curtis J. Hutchins 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).

  • Adjustable rotor assembly
    Patent number: 5146126
    Abstract: A rotary direct drive servovalve having a force motor which includes a rotor assembly positioned within an isolation tube which is surrounded by a stator assembly. A permanent magnet is disposed adjacent a closed end of the isolation tube and is rotatable to position the rotor at a desired predetermined position by interaction of magnetic forces between the permanent magnet and permanent magnets disposed upon the rotor. The permanent magnet is clamped in position subsequent to adjustment to thereby provide centering forces on the rotor.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: September 8, 1992
    Assignee: HR Textron Inc.
    Inventor: Curtis J. Hutchins