Patents by Inventor Dewey L. Willyard, Jr.

Dewey L. Willyard, Jr. 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: 4691423
    Abstract: A compressor housing having an integrally formed throat, such as is used on internal combustion engines and specifically diesel engines, may be repaired or modified by removal of the throat portion and replacement of that portion with a separate throat insert selected from a variety of throat inserts for a given size compressor housing and for various specifications.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: September 8, 1987
    Assignee: Cummins Atlantic, Inc.
    Inventors: Dewey L. Willyard, Jr., David E. Cline, David E. Wulfhorst
  • Patent number: 4676717
    Abstract: A compressor housing (30) is disclosed of the type characterized by having a centrally-disposed, concentric, flow restricting inlet throat in fluid communication with an encircling fluid conduit having a tangentially disposed outlet. Compressor housing (30) includes a separately formed inlet throat insert (45) for being positioned in a bore (29) in compressor housing (30). Insert (45) can be removed if damaged, or if a change in inlet throat size is desired.
    Type: Grant
    Filed: May 22, 1985
    Date of Patent: June 30, 1987
    Assignee: Cummins Atlantic, Inc.
    Inventors: Dewey L. Willyard, Jr., David E. Cline, David E. Wulfhorst