Patent ID: 8375810
Filing Date: 2013-02-19
Classification: G01L

Abstract:
1. A stator assembly comprising: a stator holder; a first stator which includes a first body making contact with an upper end of the stator holder and a plurality of first teeth extending from the first body so as to be disposed inside the stator holder; a second stator which includes a second body making contact with a lower end of the stator holder and a plurality of second teeth extending from the second body so as to be alternately aligned with the first teeth inside the stator holder; and a fusion-welded material that is fusion-welded to the stator holder and the first and second bodies, wherein the stator holder has a cylindrical shape, and the first and second teeth make contact with an inner circumferential surface of the stator holder, and wherein the stator holder is provided at the inner circumferential surface thereof with spaces, and each of the first and second teeth is separately inserted into each of the spaces.