Patent ID: 7416138

Claim:
An air distribution system for heating, ventilation and air conditioning purposes for an automotive vehicle having an HVAC unit with at least one air heating device, at least one air cooling device, a heater core area immediately downstream of the at least one air heating device, an evaporator area immediately downstream of the at least one air cooling device, and front and rear distribution areas, the air distribution system comprising: an air duct to convey air downstream from the evaporator area towards the rear distribution area of the HVAC unit; at least one distribution door; and at least one hot channel to divert a portion of a flow of heated air from the heater core area directly to the rear distribution area, the hot channel being located directly between the heater core area and the rear distribution area; wherein the at least one distribution door is located between the air duct downstream of the evaporator area and the hot channel; and wherein the at least one distribution door regulates both the flow of heated air through the hot channel and airflow through the air duct to the rear distribution area.