Patents by Inventor Jimmy J. McDowell

Jimmy J. McDowell 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: 4074522
    Abstract: A main rotatable shaft is journaled relative to a support structure and a pair of rotary pumps are driven from the main shaft. The rotary pumps include independent inlets and independent outlets and the outlets converge toward and are joined at the inlet portion of juncture structure including an outlet opening into a combustion chamber. The individual outlets for the air pumps include check valves intermediate the pumps and the aforementioned juncture structure and the combustion chamber includes ignition structure for igniting a combustible mixture therein. Further, the combustion chamber includes an outlet and a rotary motor including a rotor portion drivingly connected to the main shaft includes an inlet to which the outlet for the combustion chamber is connected.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: February 21, 1978
    Inventor: Jimmy J. McDowell