A variable speed pumping system 200, for an aircraft 50, comprising: a first electrical machine 116, the first electrical machine 116 comprising an electrical machine rotor shaft 202 mechanically connected to an engine 10 of the aircraft and electrical machine stator coils 204; an electric pump motor-generator 206, the electric pump motor-generator 206 comprising an electric pump rotor shaft 208 mechanically connected to the electrical machine rotor shaft 202 via a one way drive arrangement 210 and electric pump stator coils 212; wherein the electric pump rotor shaft 208 is mechanically connected to a fluid pumping system 214.


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    Title :

    PUMPING SYSTEM


    Additional title:

    PUMPSYSTEM
    SYSTÈME DE POMPAGE


    Contributors:

    Publication date :

    2025-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS



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