Abstract: A vehicle air-conditioning device, including: a defrosting pipe network which includes; a duct for defrosting an air-conditioning apparatus, a first duct connected to the defrosting duct and corresponding to a windshield defrosting strip, a second duct connected to the defrosting duct and corresponding to two side defrosting vents. The defrosting duct includes three different adjacent openings of two side openings and a central opening. The central opening is connected to an inlet of the second duct and located to a rear of the side openings along the longitudinal direction of the vehicle. The first duct includes two different inlets, each respectively connected to a side opening.

Abstract: The invention relates to an air-conditioner for a motor vehicle, said air-conditioner including an air-outlet opening surrounded by a first rim on which an axial-compression sealing gasket is to be arranged. The first rim comprises a first bearing strip which is substantially planar or which can be developed as portions of planar strips. A circumferential assembly groove, enabling a first rib of a complementary duct of the air-outlet opening to be axially inserted therein, extends through the bearing strip.