Importance

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Abstract

A heat regenerative engine uses water as both the working fluid and the lubricant. In operation, water is pumped from a collection pan and through a coil around a cylinder exhaust port, causing the water to be preheated by steam exhausted from the cylinder. The preheated water then enters a steam generator and is heated by a combustion chamber to produce high pressure super heated steam. Air is preheated in a heat exchanger and is then mixed with fuel from a fuel atomizer. An igniter burns the atomized fuel as the flames and heat are directed in a centrifuge within the combustion chamber. The speed and torque of the engine are controlled by a rocker and cam arrangement which opens a needle-type valve to inject high pressure super heated steam into a cylinder having a reciprocating piston therein. The injected steam expands in an explosive action on the top of the piston at high pressure forcing the piston down and drivingly rotating a linked crank cam and crankshaft. Exhaust steam is directed through a centrifugal condenser having an arrangement of flat plates. Cooling air from blowers circulates through the flat plates to condense the steam to a liquid state. The water condensation is returned to the collection pan for subsequent use in steam generation.

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First Claim