Patents by Inventor Earl H. Novendstern

Earl H. Novendstern 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).

  • Nuclear steam generator tube orifice for primary temperature reduction
    Patent number: 4724904
    Abstract: An orifice insert for placement in nuclear steam generator tubes comprises a sleeve having a top end, a bottom end located in use in the vicinity of the opening of the steam generator tube, and a longitudinal axis. An orifice is disposed in and extends the entire length of the sleeve. At least a portion of the outer diameter of the sleeve is substantially the same as the inner diameter of the steam generator tube. The orifice comprises at least a lower and an upper cylindrical portion which are coaxial with the longitudinal axis of the sleeve, wherein the diameter of the upper cylindrical portion is smaller than the diameter of the lower cylindrical portion.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: February 16, 1988
    Assignee: Westinghouse Electric Corp.
    Inventors: Wilson D. Fletcher, Earl H. Novendstern