Importance

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Abstract

An automobile engine runs on liquid air and gasoline. The liquid air is initially pumped up to a high pressure such as 200 atmospheres (or 200 bars) and is then warmed toward the ambient temperature in a heat exchange and changes to the gaseous state. Subsequently, it is permitted to expand, doing useful work on a piston or other known type of expansion engine. The gas is then passed through an additional heat exchanger where heat is absorbed from the ambient, and is combined with a small amount of fuel such as gasoline. The gasoline is ignited, under constant volume conditions thereby bringing the pressure back up to approximately 200 bars and at a temperature in the order of 1200 degrees. The gas is then allowed to expand in a cylinder containing an additional piston, and as a final cycle, additional fuel is added and ignited, and the resultant gases expand to drive an additional piston and provide further power to the engine. The pistons may all be coupled together to supply power to a single output drive shaft in the manner of an air motor. The exhaust gases are employed to warm the high pressure liquid air in a counter-current heat exchanger where exposure to moist ambient air would cause excessive ice buildup.

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First Claim