Patents by Inventor Lewis W. Cummings

Lewis W. Cummings 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).

  • Turbocharged internal combustion engine
    Patent number: 4520627
    Abstract: A turbocharged internal combustion engine is provided in which the exterior of one side of the engine block has a cavity formed therein. A head is secured to the block and overlies the cylinders formed therein. The head is provided with an internal intake passageway and an internal exhaust passageway for each cylinder formed in the block. One end of each intake passageway communicates with the cavity and one end of each exhaust passageway terminates at the exterior of the head in proximity to the cavity formed in the block. A heat exchange assembly is disposed adjacent the cavity and is provided with a housing which is mounted on the block one side and in overlying relation with the cavity. The housing is provided with an inlet and an outlet spaced therefrom. A heat transfer means is disposed within the housing and is located between the inlet and outlet thereof. The housing outlet communicates with the cavity.
    Type: Grant
    Filed: August 9, 1983
    Date of Patent: June 4, 1985
    Assignee: Cummins Engine Company, Inc.
    Inventors: Dean H. Reichenbach, John H. Stang, Lewis W. Cummings, Richard E. Glasson, David A. Ruthmansdorfer