Patent ID: 6478538
Filing Date: 2002-11-12
Classification: F04D

Abstract:
A turbo fan housing in a window type air conditioner comprising:a flow guide including an inlet plate having a bell mouth for guiding room air, a base plate opposite to the inlet plate having an indoor fan mounted thereto for drawing the room air, and a separation wall between the inlet plate and the base plate to surround the turbo fan; an outlet formed by an extension of the base plate and the separation wall from an opening formed on one side of the flow guide; and, a cutoff formed on an inside of the separation wall connecting the outlet and the flow guide, wherein, the indoor fan is a turbo fan, and a flow passage in the flow guide is formed to cause sharp flow direction changes, for converting a portion of dynamic pressure of the room air into a static pressure in the flow direction changes, and wherein the cutoff is provided at a corner formed by a bottom of the separation wall and a vertical surface of the outlet.