Patent ID: 8018107

Claim:
A brushless motor rotatable about a central axis, comprising: a substantially flat attachment plate including a plurality of motor attachment portions and a base portion arranged to interconnect the motor attachment portions; and a circuit board arranged on the base portion, the circuit board comprising a body portion and an electric connection portion, the body portion having an upper surface and a lower surface with an outer periphery, the body portion being attached to the attachment plate, the electric connection portion extending outside the attachment plate, the body portion of the circuit board including a first area to which electronic parts are attached, wherein upper surfaces of the motor attachment portions are arranged higher than an upper surface of the base portion, the height of an upper surface of the circuit board in the first area being substantially equal to or greater than the height of the upper surfaces of the motor attachment portions, the outer periphery of the lower surface of the body portion being lower than the upper surfaces of the motor attachment portions.