Patents by Inventor Leo E. Gambee

Leo E. Gambee 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).

  • Crossover duct assembly
    Patent number: 4251183
    Abstract: A crossover duct assembly for providing flow communication between multiple stages of centrifugal compressors and the like. The duct assembly includes inner and outer wall sections forming a continuous annular flow path between compressor stages for turning radially outward gas flow to a radially inward direction. The duct includes a thin vane diffuser section, a vaneless turning bend having an elongated wall geometry, and a deswirl vane section for enhancing smooth gas flow with minimum pressure loss.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: February 17, 1981
    Assignee: The Garrett Corp.
    Inventors: Hsin-Tuan Liu, George L. Perrone, Leo E. Gambee