Patents by Inventor Shih-che Cheng

Shih-che Cheng 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).

  • Heat exchanger tube bundle support system
    Patent number: 4036289
    Abstract: A heat exchanger is described wherein a tube bundle comprising a plurality of tubes having convolutions of different radii on a common axis is provided with at least one spacer structure for supporting the tubes in spaced relation. The spacer structure comprises a plurality of parallel bars arranged in pairs and in which semi-circular recesses are formed in abutting surfaces to accommodate the convolutions of the tubes. The bars in adjacent pairs have facing surfaces in an interfitting configuration with clearances therein sufficient to accommodate thermal expansion differences in the adjacent tubes.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: July 19, 1977
    Assignee: General Atomic Company
    Inventors: Shih-che Cheng, Jay Stephen Kaufman