Patents by Inventor Frederick Michael Schwarz

Frederick Michael Schwarz 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).

  • Turbine case cooling system
    Patent number: 4053254
    Abstract: Apparatus for reducing the leakage of working medium gases between the rotor and stator assemblies of a gas turbine engine is disclosed. Concepts for maintaining concentric correspondence between a stator outer air seal of a gas turbine engine and the arc circumscribed by blades of the rotor assembly are discussed. Techniques for uniformly distributing the cooling air about the inner circumference of the case to control thermal distortions of the case and techniques for sealing the working medium flow are employed in one embodiment.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: October 11, 1977
    Assignee: United Technologies Corporation
    Inventors: Gary Francis Chaplin, Frederick Michael Schwarz