Patents by Inventor Stephen J. Lever

Stephen J. Lever 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).

  • Patent number: 7234422
    Abstract: The present invention provides an engine cooling method and apparatus. The engine cooling apparatus includes a cylinder block having a cylinder head mounted thereto. The cylinder block defines an inlet passage and a block jacket in fluid communication with the inlet passage. The cylinder head defines a lower cylinder head jacket in fluid communication with the block jacket, and an upper cylinder head jacket in fluid communication with the lower cylinder head jacket. The lower cylinder head jacket includes a plurality of nozzles configured to direct engine coolant and thereby provide cooling to portions of the cylinder head located near a plurality of exhaust ports, a plurality of injector ports, and a plurality of intake ports.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: June 26, 2007
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Jeffrey A. Schlautman, Robert J. Moran, Stephen J. Lever, Andreas Zurk