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Abstract

A device for compressing gas using thermal energy. In a subsonic embodiment the heat gas passes through a convergent pipe C1 where it is provided with operating velocity, a convergent pipe C2 where it is simultaneously maintained at high speed and cooled by evaporation of liquid sprayed by nozzles R with adjustable position distributed in C2. In a supersonic embodiment, the gas reaches sonic velocity at the throat of C2 and supersonic velocity in a divergent DG, then compressed in a convergent CG1 and simultaneously cooled by evaporation of sprayed liquid. In both embodiments, the gas is finally compressed in a subsonic divergent DG1. Pipes with variable geometry enable to modify the cross-sections of the throats of the device. The device is essentially designed for thermoelectric power stations.

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First Claim