Patents by Inventor Roland W. Wacker

Roland W. Wacker 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).

  • Preheating and cooling system for a rotary engine
    Patent number: 5284427
    Abstract: A pressurized fluid-driven engine includes an engine chamber defined by a housing having one or more endplates which include serpentine channels for the flow of temperature-regulating fluid. Preferably, each endplate has a pair of channels that each has a scroll pattern. The temperature-regulating fluid may be the same fluid that is employed in driving the engine. The fluid is utilized both to preheat the engine and to cool the engine during use. The engine may be coupled to a generator for the production of electrical energy.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: February 8, 1994
    Inventor: Roland W. Wacker