Patent ID: 9404504
Filing Date: 2016-08-02
CPC Classification: F04D

Claim Text:
1. A blower, comprising: a case; a stator being provided in the case; a radial bearing, which does not support a rotor shaft in a thrust direction, being provided in the case; the rotor shaft being provided in the case and supported by the stator and the radial bearing; a rotor being integrated with the rotor shaft; and an impeller being integrated with the rotor shaft, the rotating impeller sucking a fluid into the case from an axial direction and sending the same in the circumferential direction of the impeller, wherein the impeller is attached to the rotor shaft to make a blade forming surface of the impeller face the rotor in the axial direction, and a shaft end of the rotor shaft, which is located on the opposite side of the impeller, is formed into a rounded surface and supported by a thrust receiving member, the shaft end contacts the thrust receiving member and can rotate thereon.