FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: combustion chamber is formed by crown of piston 1, head 2 of cylinder 3, these parts being lined with ceramic heat insulating layer 4 to which layer 5 of heat accumulating and heat transfer metal is applied, this metal features high heat capacity. Working surface of metal layer is corrugated and coated with layer 6 of high temperature conducting metal. Other surface of layer 5 has heat reflector 7. EFFECT: increased fuel economy, possibility of use of nontraditional types of fuel, such as water, high ecological safety. 1 dwg
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