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NEW SIMPLE, ROTATY-MOTION INTERNAL COMBUSTION ENGINE OF HIGH EFFICIENCY AND LOW MANUFACTURING COST

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THE PROJECT STUDIED BY GENERAL SUPPLY AIMS AT DEVELOPING A NEW, SIMPLE, ROTARY-MOTION INTERNAL COMBUSTION ENGINE OF 460 KW.

THE MAIN TARGETS ARE : TO INCREASE THE MAXIMUM TEMPERATURE OF THE COMBUSTION GASES; TO INCREASE THE PRESSURE OF THE COMBUSTION GASES; TO HAVE EFFECTIVE EXPANSION OF THE COMBUSTION GASES; TO DECREASE THE LOSSES DUE TO FRICTION, COOLING, ETC.; AND TO INCREASE THE COMPRESSION RATIO. IN CONVENTIONAL INTERNAL COMBUSTION ENGINES, THE SAID TARGETS CANNOT BE SUBSTANTIALLY IMPROVED. APART FROM HIGH EFFICIENCY, FURTHER ADVANTAGES CLAIMED ARE : HIGH POWER-TO-WEIGHT AND POWER-TO-VOLUME RATIOS, LOWER POLLUTION OF THE ENVIRONMENT AND EVENTUALLY LOWER MANUFACTURING COSTS.

EXPERIMENTAL TESTS WERE CARRIED OUT UNDER PARTIAL LOAD (THE MAXIMUM MEASURED TORQUE WAS 130 NM AT 1100 RPM). HOWEVER, OPERATING TESTS IDENTIFIED PROBLEMS WITH MECHANICAL STRESS AND DEFORMATION DUE TO HIGH TEMPERATURES AND LEAKING.

AN IMPROVED ENGINE OF 625 KW IS UNDER CONSTRUCTION AND EXPERIMENTATION IS CONTINUING. VOIR TABLEAU.

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