Indoor air from the jet engine, the impeller fan using new type of turbine-type, double-reverse rotating blades, suction and exhaust running at the same time, improve the efficiency of the air supply.

• 室内风机借鉴喷气式飞机的发动机原理，风机的叶轮采用新型涡轮式，双叶片反向转动，吸气和排气同时运行，提高了送风效率。