Patent ID: 9494161
Filing Date: 2016-11-15
CPC Classification: F04D,H02K

Claim Text:
1. A motor, comprising: a cylindrical rotor unit configured to rotate about a rotation axis; a bearing unit arranged to rotatably support the rotor unit; a bearing holder arranged to hold the bearing unit; a disc-shaped base to which the bearing holder is fixed; a stator unit arranged inside the rotor unit and fixed to the bearing holder; and a circuit board arranged between the base and the stator unit and held by the stator unit; wherein the circuit board is supported on the base through an insulative and flame-retardant vibration-preventing member; the vibration-preventing member is defined by two kinds of rubber sheets which are joined together, the two kinds of rubber sheets differing in hardness from one another; and the vibration-preventing member is fixed to the circuit board by an adhesive agent equal in hardness to one of the two kinds of rubber sheets which is arranged closest to the circuit board.