Patents by Inventor Kai Schiefelbein

Kai Schiefelbein 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).

  • Stirling engine with injection of heat transfer medium
    Patent number: 5638684
    Abstract: This invention relates to a Stirling engine as a refrigerating machine or heat pump having improved heat transfer to the working gas or improved heat transfer from the working gas of the Stirling engine to a cooling medium with simultaneous reduction of the dead space in the engine. The Stirling engine operates with injection or atomisation of a heat transfer fluid into the working spaces of the engine, due to which the heat transfer between the heat transfer medium and the working gas is improved.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: June 17, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andre Siegel, Kai Schiefelbein