Patent ID: 8075263
Filing Date: 2011-12-13
Classification: A47L

Abstract:
1. An air guide apparatus, comprising: a body installed at a discharge side of a rotary fan that sucks air; a plurality of first vanes arranged at one surface of the body that guides the air sucked by the rotary fan toward an outer circumferential surface of the body; a plurality of second vanes arranged on another surface of the body that guides the air, which has been guided by the plurality of first vanes, from the outer circumferential surface of the body toward a central portion, formed in a spiral shape from the central portion of the body toward the outer circumferential surface of the body, and having disconnected portions formed at middle portions thereof; and a plurality of sub-vanes formed in a spiral shape from the central portion of the body toward the outer circumferential surface of the body that guides the air, which has been guided by the plurality of first vanes, from the outer circumferential surface of the body toward the central portion of the body, and arranged adjacent to the disconnected portions of the plurality of second vanes at a predetermined gap from the plurality of second vanes, wherein the plurality of second vanes and the plurality of sub-vanes are formed having a same spiral shape curvature, wherein the plurality of sub-vanes are located on a line of parallel translation from a line of the plurality of second vanes, and wherein the plurality of second vanes and the plurality of sub-vanes form a party wall of a passage in which the sucked air flows.