Aircraft power and propulsion systems 100, aircraft 1 comprising such power and propulsion systems 100, and methods of restarting a gas turbine engine 110 of such power and propulsion systems 100 during flight are provided. One such aircraft power and propulsion system 100 comprises: a propulsive gas turbine engine 110 comprising a plurality of spools 14, 19, 26; 15, 17, 27, combustion equipment 16, one or more electric machines 111, 112 mechanically coupled with one or more of the spools 14, 19, 26; 15, 17, 27, and an electrically-powered fuel pump 115 for delivering fuel to the combustion equipment 16; an electrical system 120 connected with the one or more electric machines 111, 112 and the electrically-powered fuel pump 115, the electrical system comprising an energy storage system 130; and a control system 140 configured to: responsive to a determination to the effect that a flame in the combustion equipment 16 has been extinguished, control the electrical system 120 to supply electrical power from the energy storage system 130 to the fuel pump 115 during an engine restart attempt.


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    Titel :

    Restarting a gas turbine engine


    Beteiligte:
    GARETH E MOORE (Autor:in) / PAUL R DAVIES (Autor:in) / STEPHEN M HUSBAND (Autor:in) / DAVID R TRAINER (Autor:in) / DAVID P SCOTHERN (Autor:in) / LUKE GEORGE (Autor:in) / DOUGLAS M M HERBERT (Autor:in)

    Erscheinungsdatum :

    27.03.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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