Patent ID: 7563159

Claim:
An air distribution module for a vehicle heating, ventilation and air conditioning system, comprising: a housing; a heating means; an evaporator means; a barrel door including a slot defined in each end thereof; a cross flow baffle; a first conduit for a first air flow comprising a hot air path upstream of the cross flow baffle; a second conduit for a second air flow comprising a cold air path upstream of the cross flow baffle; and an opening between said first and second conduits forming a mixing region where the first and second airflows merge, said mixing region comprising the hot air path and the cold air path, said mixing region having the barrel door and the cross flow baffle; the cross flow baffle being a mixer structure having an air inlet region and an air outlet region, each of which are in fluid communication with said mixing region, said mixer structure including a plurality of air passages disposed between said inlet region and said outlet region, for dividing an air flow at said inlet region into a plurality of air flows into the mixing region, the cross flow baffle including a pin; wherein the cross flow baffle is attached to the housing and is located within the barrel door, the barrel door being attached to the housing by at least one pin rotatably attached to the housing; wherein the barrel door is rotatable independently from the cross flow baffle about the at least one pin; and wherein the slot defined in each end of the barrel door is configured to accept the pin of the cross flow baffle, the slot being configured to locate the cross flow baffle with the barrel door.