An air blowing device

The present invention discloses an air supply means, said air supply means comprises a non-ring cap, and the middle of the ring-shaped cover body is formed of non-penetrating through the non-annular duct cover body, said non-annular wall of the shell formed communicating duct and the air inside the duct through a non-circular opening. After using the blower in the air conditioning apparatus of the present invention, not only can increase the intake air volume air conditioning, indoor air flow to accelerate, but also to improve the air conditioning out of the wind mildness, improve user comfort and experience effect.