Patents by Inventor Donna J. Chase

Donna J. Chase 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).

  • Patent number: 5411368
    Abstract: A stator vane assembly for a gas turbine engine that includes a plurality of circumferentially spaced ceramic vanes, each of which has an inner and outer ceramic shroud, and a ceramic post extending from one of the shrouds, and a metallic platform having a plurality of circumferentially spaced recesses. The posts are inserted into a metallic sleeve and then brazed. The brazed sleeves are then mounted in the recesses. A method for assembling these components to form the stator assembly is also described.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: May 2, 1995
    Assignee: Allied-Signal Inc.
    Inventors: Donna J. Chase, Ho T. Fang, Craig W. Irwin, James L. Schienle