▎ 摘　　要

NOVELTY - The utility model claims a graphene ceramic composite film engine, belonging to the technical field of piston engine, comprising a cylinder; a piston and a piston ring; the piston is set in the cylinder to reciprocate; the piston rod and the top are provided with a plurality of annular piston rings connected end to end; a plurality of annular piston rings form an annular air chamber; the inner wall of the cylinder; the piston and the piston ring are plated with graphene ceramic composite film. the common metal engine is changed into graphene ceramic composite film engine, presenting excellent characteristics of graphene ceramic film; the durability of the engine is improved by more than two times; the mechanical friction loss of the engine is reduced by more than 30 %, greatly improving the power performance and economical efficiency of the engine; the combustion amount of hydrocarbon and carbon monoxide is reduced by 30 %-70 %, which obviously improves the environment-friendly performance of the engine.