Patents by Inventor Hans Rainer Przirembel

Hans Rainer Przirembel 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).

  • Turbomachinery vane or blade with cooled platforms
    Patent number: 4017213
    Abstract: A turbomachinery vane or blade with cooled platforms including provision for film cooling the inner and outer surfaces of the platform forward portion, including cooling fluid cavities in the platform on both the pressure and suction sides of the vane or blade airfoil for cooling this region of the platform by a combination of impingement, convection and film cooling, and a selective array of drilled holes extending through the platform trailing edge for convection cooling thereof.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: April 12, 1977
    Assignee: United Technologies Corporation
    Inventor: Hans Rainer Przirembel