A RAM AIR DUCT FOR AN AEROPLANE AIR CONDITIONING SYSTEM

摘要

A ram air duct for an aeroplane air conditioning system having an inlet channel which can be closed by an inlet valve and in which at least one heat exchanger is arranged, having a blower arranged in a blower chamber and an outlet passage closeable by an outlet valve. The outlet passage is divided into two separately extending passages of which one is designed as a blower outlet passage from the blower in the blower chamber and the other is designed as a bypass passage. The outlet valve only closes the bypass passage in the closed state.