SYSTEM AND METHOD FOR ENVIRONMENTALLY CONTROLLING A CABIN OF AN AIRCRAFT AND AN AIRCRAFT EQUIPPED WITH SUCH A CONTROL SYSTEM

摘要

The invention relates to an environmental control system for an aircraft cabin (5) comprising a device for withdrawing compressed air from at least one engine of the aircraft; an air cycle turbine engine (20) comprising at least one compressor (21) connected to said compressed air sampling device by an air sampling pipe (7) and a turbine (22) connected to the cabin (5) by a cabin inlet duct (8) for the supply of air at controlled pressure and temperature, characterized in that it further comprises: a fixed blade with variable injection section (23) mounted on said turbine (22) said air cycle turbine engine (20) so as to be able to modify on command the flow rate and / or the air pressure supplying an air inlet of said turbine (22); and a second compressor (22) mounted on said air cycle turbine engine (20) connected to an external air sampling device and said sampling line.