METHOD OF CONVERSION OF THERMAL ENERGY INTO USEFUL YIELD Russian patent published in 2015 - IPC F03G7/04 F01C1/14 

FIELD: power industry.

SUBSTANCE: method of conversion of thermal energy into useful yield. In two rotor engines the liquids utilised as a working body don't freeze in terrestrial climatic conditions, they have low boiling temperature and under the effect of heat sources or heaters operating due to heat exchange with the industrial technologies requiring cooling allow to perform consistently alternating transition of working body from one phase state into another. In tightly closed and thermally isolated loop the process of conversion of thermal energy into useful mechanical yield takes place by means of the avalvular rotating gas-distributing drum. The drum alternately supplies high pressure steam which is formed in the steam generator to the respective working sections of the used screw or gear two rotor engines where due to expansion the steam performs useful yield and cooled. The condensation device uses the natural low temperature of higher atmosphere layers or cold climatic conditions of environment. The condensed working body comes back to the steam generator for recycling.

EFFECT: large volume of earlier unused thermal energy simultaneously provides with low-temperature cold large city refrigerators without burning of hydrocarbon fuel.

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