Patent ID: 6132171
Filing Date: 2000-10-17
Classification: F04D,Y10S

Abstract:
A blower which sucks air inside a wall through slits as a fan rotates, the wall being formed away from ends of fan blades, outer peripheral sections of the wall being planar and substantially flush with a rectangular casing body at a middle of upper, lower, right, and left sides of the body, and the slits, passing from a circular inner perimeter which corresponds to the ends of fan blades to said outer peripheral sections of the wall, are formed in sections of the wall which are opposite to the ends of the fan blades,wherein a plurality of annular plates are spaced from each other and stacked in a direction along an axis of rotation of the fan to form the wall with slits, and spacers forming and supporting the slits are arranged toward the middle of each of the four sides of the casing body and located on the outer peripheral sections.