Patent ID: 8091623

Claim:
An air conditioning system for a motor vehicle comprising: an air distributor housing; an evaporator; a heater; a substantially partially cylindrical air mixer vent configured to pivot about a pivot axis between a hot air duct coming from the heater and a bypass duct coming directly from the evaporator and that controls the pivot axis; and an air deflector element arranged on an inner surface of a partial cylinder of the air mixer vent and protruding from the inner surface of the partial cylinder, wherein the pivot axis is arranged in a direction of flow downstream of the partial cylinder, wherein the air deflector element is configured to run parallel to the pivot axis and includes an angle (α) of 5° to 45° to a radial direction with respect to the pivot axis, and wherein the air deflector element includes a length of at maximum and at minimum one fifth of the radius of the partial cylinder when a center axis and the pivot axis coincide.