Ventilation/air-conditioning system for motor vehicle, has mixing unit provided with mixing flap changeable with respect to its radius, where mixing flap is designed as extendable roller blind

摘要

The system (1) has an evaporator (3) for producing cool air, and a heat exchanger (4) for producing warm air, where the evaporator and the heat exchanger are arranged in a main air duct (2). A mixing unit is provided with a multipart mixing flap (6) that is changeable with respect to its radius, where the mixing flap is designed as an extendable roller blind. Front end region of the mixing flap is guided into a slotted guide (10) in removal direction, where the mixing flap is telescopically designed. A sealing frame is provided in the main air duct.