Air energy circulation engine

An air energy circulation engine comprises an air energy storage device, an engine air supply control device, an electromagnetic valve air control system, an electricity generating, charging, supplying and storage device, a four-cylinder air energy circulation engine body, an engine starting device, an air supply circulation control device and a clutch speed changing box transmission output device; and the invention is characterized in that: the engine air supply control device comprises a reducing valve meter assembly, a buffer tank, an air flow control valve, an air flow meter assembly and an air heat exchanger. By adopting an electronic program control system and structural optimization of devices, the air energy circulation engine is novel in structure, convenient to operate, energy-saving, environment-friendly, free from high temperature, high in safety and capable of working in multiple adverse environments, and particularly, the engine can meet crying needs for solving the problems of serious air pollution and oil shortage at the present stage. The air energy circulation engine has extremely wide application areas in the future, can be applied to various motor vehicles and replace existing fuel engines which are energy-consuming and pollute the environment, and has wide market prospects.