Patents by Inventor William S. DeLaurier

William S. DeLaurier 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: 4844690
    Abstract: In a centrifugal machine for a refrigeration or air conditioning system and including a casing, an impeller, a variable width diffuser assembly leading from the impeller, and a plurality of vanes received through respective complementary-shaped openings in a movable wall member, there is provided a sealing means in the openings between the vanes and movable wall member for preventing leakage of fluid through the openings, thereby increasing the operating efficiency of the machine.
    Type: Grant
    Filed: January 24, 1985
    Date of Patent: July 4, 1989
    Assignee: Carrier Corporation
    Inventors: William S. DeLaurier, Howard W. Kirtland, Gordon L. Mount