Patents by Inventor Robert E. Devlin

Robert E. Devlin 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).

  • Clutch lock-up mechanism
    Patent number: 4157135
    Abstract: A clutch assembly for use between a combiner box and a vertical take-off, shaft driven variable pitch lift cruise fan is self contained and is positively engaged and disengaged without spline tooth interference upon pilot demand and wherein means are provided so that no clutch slip occurs following engagement and wherein further means are provided to maintain clutch engagement in the event of oil pressure loss during the engaged mode of operation.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: June 5, 1979
    Assignee: General Motors Corporation
    Inventors: Robert E. Devlin, Frank W. Janneck