Patents by Inventor Hwa J. Shen

Hwa J. Shen 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).

  • Hydrodynamic bearing having anticavitation recesses
    Patent number: 4175799
    Abstract: A hydrodynamic bearing constructed for withstanding varying radial loads has first and second bearing halves arranged on a central axis and encircling a shaft member, each half having an inner bearing face, first and second ends, and first and second sides. A slot of specific construction is formed in the bearing face of at least one of the bearing halves providing a fluid trap for reducing cavitation erosion during use.
    Type: Grant
    Filed: May 26, 1978
    Date of Patent: November 27, 1979
    Assignee: Caterpillar Tractor Co.
    Inventors: Billy J. Davis, Cletus M. Kinsey, Hwa J. Shen, James R. Weber