Patent ID: 6478083
Filing Date: 2002-11-12
Classification: B60H

Abstract:
An air conditioning unit comprising:a casing including a front wall, a rear wall, a right wall, a left wall, a bottom wall and a top wall, said right and top walls having air inlet and outlet openings respectively which are connected through an air flow passage defined in said casing, said bottom wall including a bottom surface, said air inlet opening being generally trapezoidal in shape so that the height of a front side of said air inlet opening is greater than that of a rear side of the air inlet opening; an evaporator arranged in said air flow passage and inclined relative to said bottom wall; a heater arranged in said air flow passage at a position downstream of said evaporator; an air flow control door for controlling a rate between an air amount flowing in a heater-bypassing passage which extends from the evaporator to the air outlet opening bypassing the heater and an air amount flowing in a heater-passing passage which extends from the evaporator to the air outlet opening through the heater; a water guide groove provided at the bottom surface of said casing near said left wall and extending along the same, said water guide groove having a slanted bottom; a drain pipe held by said casing and connected to a lower portion of said water guide grove; and a triangular projection formed on said bottom surface of said casing, said triangular projection being oriented so that one apex of the projection is directed toward said rear wall of said casing and a side positioned opposite to said apex faces toward said front wall of said casing.