Patents by Inventor Karl-Heinz Wolff

Karl-Heinz Wolff 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).

  • Seal for a flow machine
    Patent number: 5088889
    Abstract: A seal for sealing the space between a rotor and stator of an axial flow machine is disclosed which includes axially spaced sealing points. Between the sealing points auxiliary blades are provided for inducing turbulence to assist in improving the seal between pressure spaces located upstream and downstream of the sealing points.
    Type: Grant
    Filed: September 20, 1988
    Date of Patent: February 18, 1992
    Assignee: MTU Motoren-und Turbinen-Union Muenchen GmbH
    Inventor: Karl-Heinz Wolff