Patent ID: 9366262
Filing Date: 2016-06-14
CPC Classification: F04D,H02K

Claim Text:
1. A fan motor comprising: a motor that rotates a rotating portion thereof about a central axis extending in a vertical direction; an impeller that rotates together with the rotating portion to produce an axial air current; a motor control board that supplies drive currents to coils of the motor; an AC/DC converter board that converts an alternating current supplied from an external power supply into a direct current, and supplies the direct current to the motor control board; electronic components mounted on the AC/DC converter board; a housing that contains the motor, the impeller, the motor control board, and the AC/DC converter board; and a cover portion including a bottom plate portion; wherein the housing includes: the AC/DC converter board is located in an interior space of the case portion; at least a portion of the interior space of the case portion is filled with a resin material; surfaces of the AC/DC converter board and the electronic components are covered with the resin material; the bottom plate portion closes a lower opening defined in the case portion; the fan motor further comprises a projecting portion that is defined together with the bottom plate portion as a single monolithic member, the projecting portion extending into the interior space of the case portion; and a lower surface of the AC/DC converter board and an upper surface of the projecting portion are arranged axially opposite each other.