FIELD: mechanical engineering; power plants for vehicles. SUBSTANCE: heat engine has high pressure water pump, nozzle to inject water into cylinder furnished with electronic system to control injection commencement moment, duration, and injection-to-load relationship with correction depending on temperature of parts. Combustion chamber parts are provided with heat insulation. Engine is furnished with exhaust system consisting of pipelines, muffler, water vapor condensing device, condensate filter and pump to transfer condensate into water tank. Turbocompressor is connected to engine intake and power turbine, to engine output. Turbine is connected through reduction gear with crankshaft. EFFECT: enlarged operating capabilities. 2 cl, 3 dwg
