Patent ID: 8823224
Filing Date: 2014-09-02
Classification: F04D,Y10T

Abstract:
1. A fan according having an air guide and a flywheel, the flywheel attached to a shaft, for cooling an electric motor, the electric motor having a rotor attached to the shaft, wherein the air guide is arranged in a position between the flywheel and the rotor with respect to the axial direction, the air guide having an air guide opening including an inner cross section for forming a blowing channel, wherein an air flow generated by the flywheel can be guided in the axial direction, wherein the inner cross section of the air guide opening is smaller than the outer cross section of the rotor, wherein the air guide is formed as a part which can be assembled from at least two parts, such that the part has at least a first and a second part, the first and the second part abutting each other along a boundary line which transects the inner cross section of the air guide opening.