VACUUM ENGINE Russian patent published in 1995 - IPC

FIELD: power engineering. SUBSTANCE: engine comprises heater, cylinders, pistons, radiator, cooling jacket, ejector, and safety valve. The engine converts energy of working fluid into useful work inside the cylinder during forward stroke, in ejector during evacuation created by working fluid exhaust, and, again, inside the cylinder during reverse stroke under the action of vacuum. EFFECT: enhanced efficiency. 6 cl, 8 dwg