An aircraft cabin blower system 100 has a transmission 110, receiving mechanical power from first part of a gas turbine engine (GTE) in the form of a first transmission input 114, and an electrical circuit having a first electrical machine 118, a second electrical machine 122, and a power management system (PMS) 124. The system operates in a blower mode with the transmission driving a cabin blower compressor 102; the first electrical machine receives mechanical power from a second part of the GTE and acts as a generator providing electrical power to the PMS which drives the second electrical machine as a motor providing a second transmission input 120. The first and second parts of the GTE may be shafts associated with fans or compressors. The transmission output speed may be determined by a relative difference between the power of the GTE and the second electrical machine. The system may operate in a starter mode, where the first and second electrical machines act as motors providing mechanical power to the GTE, to facilitate starting; the cabin blower compressor may also be operated as an expander, driving the transmission and providing mechanical power to the GTE.


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    Titel :

    Cabin blower system


    Beteiligte:
    RICHARD SHARPE (Autor:in) / GLENN KNIGHT (Autor:in)

    Erscheinungsdatum :

    31.07.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS



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