Patent ID: 7331851

Claim:
A motor vehicle air-conditioning system, comprising: a housing having a mixing chamber and a plurality of air ducts serving for stratifying the temperature of air streams directed to respective portions of an interior compartment of the vehicle, wherein the plurality of air ducts comprises at least first and second ducts for guiding air into the mixing chamber before exiting into a first output duct and at least a third duct for guiding air directly into a second output duct by bypassing the mixing chamber; and an air flow control arrangement for selectively controlling the flow of air in each respective air duct, wherein the air flow control arrangement comprises a single pivotable flap that controls the flow of air in at least the first and third air ducts, and wherein the single pivotable flap is configured such that the flow of air can be prevented from flowing through the third air duct by the single pivotable flap.