Patent ID: 8207641
Filing Date: 2012-06-26
Classification: F16C,H02K

Abstract:
1. A motor comprising: a base equipped with a non-metal shaft tube having an outer circumferential wall, wherein the non-metal shaft tube has an outer tube diameter in a radial direction of the non-metal shaft tube; a bearing fitted inside the non-metal shaft tube and having an axial hole; a stator having an assembly hole coupled with the outer circumferential wall of the non-metal shaft tube, wherein a minimal diameter of the assembly hole is smaller than the outer tube diameter of the non-metal shaft tube, wherein the ratio of the minimal diameter of the assembly hole of the stator to the outer tube diameter of the non-metal shaft tube is between 0.96 and 0.999; and a rotor having a shaft coupled within the axial hole of the bearing.