An air pressurisation system 404 for an aircraft. The air pressurisation system 404 comprises: a blower compressor 420; a delivery line configured to convey gases received from the blower compressor 420 to an airframe port 452 for supply to an airframe system 450; a core bleed line 410 configured to provide a second inlet flow of gases from a compressor 412 of the gas turbine engine to the delivery line in an augmented air supply mode of the air pressurisation system; and a catalyst material 368 disposed along the core bleed line and configured to catalyse a reaction of volatile organic compounds within gases conveyed by the core bleed line. Bleeding low pressure air such as from a bypass duct rather than high pressure air from the gas turbine engine improves its efficiency and thereby decreases its fuel consumption.


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    Title :

    Air pressurisation system


    Contributors:

    Publication date :

    2025-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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