A variable bypass turbofan engine includes a bypass fan having a plurality of bypass fan blades mated to a first low pressure shaft segment. A second low pressure shaft segment includes a low pressure compressor and a low pressure turbine mated thereto. The engine also includes a clutch coupled between the first low pressure shaft segment and the second low pressure shaft segment and is configured to selectively couple and decouple the first low pressure shaft segment from the second low pressure shaft segment. A brake is configured to selectively halt or oppose rotation of the first low pressure shaft segment or the bypass fan.


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    Titel :

    Variable bypass turbofan engine


    Beteiligte:

    Erscheinungsdatum :

    2017-03-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / B64C AEROPLANES , Flugzeuge / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / F02K JET-PROPULSION PLANTS , Strahltriebwerke



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