Patents by Inventor James A. Leidel

James A. Leidel 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).

  • Heat engine
    Patent number: 6092365
    Abstract: A heat engine is optimized for maximum efficiency for use as an automotive powerplant. The engine is composed of a separate variable induction compressor, a compressed air accumulator, a combustor, and a separate expander. The engine is designed to minimize heat losses following compression, minimize system parasitic losses, and utilize high combustion temperatures. The expander is constructed to minimize mechanical stresses and facilitate the use of structural ceramic materials.
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: July 25, 2000
    Inventor: James A. Leidel