A hybrid electric propulsion system including: a gas turbine engine comprising a low speed spool and a high speed spool, the low speed spool comprising a low pressure compressor and a low pressure turbine, and the high speed spool comprising a high pressure compressor and a high pressure turbine; an electric motor configured to augment rotational power of the high speed spool or the low speed spool; and a controller to: detect an in-flight windmill re-start condition of the gas turbine engine; and cause power to be supplied from a power source to the electric motor in order to augment rotational power of the high speed or the low speed spool during the detected in-flight windmill re-start condition.


    Access

    Download


    Export, share and cite



    Title :

    Electric power assist for in-flight engine re-start


    Contributors:

    Publication date :

    2023-11-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    ENGINE START ASSIST SYSTEM

    ALMHAGEN PETTER | European Patent Office | 2022

    Free access

    AIRCRAFT ENGINE POWER-ASSIST START STABILITY CONTROL

    COLLOPY GARY | European Patent Office | 2021

    Free access

    Aircraft engine power-assist start stability control

    COLLOPY GARY | European Patent Office | 2023

    Free access

    INTERNAL COMBUSTION ENGINE START ASSIST MECHANISM

    KATSURA SEISHI / KITAMURA TAICHI | European Patent Office | 2018

    Free access

    START-ASSIST DEVICE FOR ELECTRIC VEHICLE

    HIYOSHI YUJI / NAKAYAMA MASARU / HIRABAYASHI YUTAKA | European Patent Office | 2017

    Free access