Patent ID: 6563242
Filing Date: 2003-05-13
Classification: H02K

Abstract:
A motor comprising:(a) a frame; (b) a pipe disposed in said frame and fixed coaxially to said frame; (c) a magnet including an inner wall, said pipe being positioned adjacent to the inner wall; (d) a coil facing an outer wall of said magnet via an annular space; (e) a shaft disposed coaxially with said magnet and said coil; (f) a first bearing disposed on an end of said frame, said first bearing supporting a first side of said shaft; and (g) a second bearing disposed inside said frame and at least partially disposed within said magnet, said second bearing supporting a second side of said shaft, a portion of said second bearing being positioned between the inner wall and said pipe, wherein a lower end of said magnet overreaches a lower end of said pipe, and said second bearing is disposed under the lower end of said pipe and fixed to the inner wall of said magnet.