CENTRIFUGAL CEILING FAN Russian patent published in 2015 - IPC F04D25/08 

FIELD: heating.

SUBSTANCE: this invention relates to a centrifugal ceiling fan. The proposed fan includes a casing, a motor and an impeller. The above casing has an upper surface with an air intake and a lower surface with an air bleed. According to a preferable version of the invention, the specified lower surface has a round, bowl shape; besides, there is a group of holes in it, which determine the air bleed. The above impeller includes a rotary shaft and a group of blades located around the above said shaft. The above said blades are preferably of a curved shape to provide air flow in all directions between the first direction that is mainly perpendicular to the rotary shaft and the second direction that is mainly parallel to the rotary shaft, due to which uniform room ventilation is provided. In the proposed fan a provision can also be made for a heating element for heating of the air leaving the fan.

EFFECT: invention is aimed at creation of a noiseless fan that is safe at operation and provides for uniform air distribution inside the room.

15 cl, 9 dwg