Patents by Inventor Presz, Jr. Walter M.

Presz, Jr. Walter M. 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).

  • Mechanism to reduce turning losses in conduits
    Patent number: 5213138
    Abstract: Downstream extending convolutions (52) disposed on the inside corner (72) of an angled conduit (50) eliminate or reduce the two-dimensional boundary layer separation region (44) thereby eliminating or reducing the pressure losses associated with the separation region (44). The convolutions (52) may be formed into either the angled conduit wall or in an insert (200) which is positioned on the inside corner surface of the conduit.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: May 25, 1993
    Assignee: United Technologies Corporation
    Inventor: Presz, Jr. Walter M.