Patents by Inventor Harry Pfundt

Harry Pfundt 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).

  • ROLLER BEARING UNIT AND GAS CONTROL VALVE ARRANGEMENT COMPRISING A ROLLER BEARING UNIT
    Publication number: 20090317031
    Abstract: A roller bearing unit, in particular, a needle bearing unit, which has an outer ring, a roller body cage, roller bodies and several sealing rings. The roller bodies are housed in the roller body cage and are supported externally in the radial direction against the inner surface of the outer ring and are arranged to internally support a shaft aligned in the axial direction. The sealing rings are housed in the outer ring and designed to seal against a fluid flowing the axial direction. The sealing rings are arranged and/or designed such that the resultant sealing effect generated by the rings is direction dependent with relation to the fluids flowing in the axial direction.
    Type: Application
    Filed: October 24, 2007
    Publication date: December 24, 2009
    Applicant: SCHAEFFLER KG
    Inventors: Harry Pfundt, Horst Steinbinder, Peter Schaaf