| 主权项 |
1. A fan motor comprising:
a first bracket having a middle part through which a rotary shaft penetrates and an upper bearing insertion space to which an upper bearing is inserted to support the upper end part of the rotary shaft, a flange part which has a plurality of first joining protrusions protruding toward the inside extends downwardly from the upper end part of the inner face of the first bracket, and an upper felt disposed on an outer circumferential surface of the upper bearing; an upper felt cover sealing a lower part of the upper bearing insertion space by joining to the flange part, the upper felt cover having a first joining groove formed on the outer surface of the upper felt cover, wherein each first joining protrusion is inserted into the first joining groove; a second bracket joined to the upper side of the first bracket, the second bracket having a lower bearing insertion space which is formed at the middle part of the lower side through which the rotary shaft penetrates and to which a lower bearing is inserted to support the lower end part of the rotary shaft, a plurality of second joining protrusions protrude from the inner face of the lower part of the second bracket toward the inside, and a lower felt disposed on an outer circumferential surface of the lower bearing; and a lower felt cover sealing a lower part of the lower bearing insertion space, the lower felt cover having a second joining groove formed on the outer surface of the lower felt cover, wherein the lower felt over seals the lower bearing insertion space by inserting each second joining protrusion into the second joining groove. |
