Airbus Operations Sl

Hugo Casado Abarquero

Francisco Javier Honorato Ruiz

Carlos Casado Montero

Francisco José Cruz DOMÍNGUEZ

An Auxiliary Power Unit (APU) includes a power module () to be supplied with fuel (), a gearbox (), an electric generator (), and an element selected from a compressor (), a hydraulic pump and a combination thereof, in order to provide a functioning mode for production of power selected from electric (), pneumatic (), hydraulic and a combination thereof; the APU presents the novelty of including an electric motor (), integrated into the electric generator (), with the electric motor () and the electric generator () connected to the power module () via the gearbox () and a main clutch (). Moreover, the compressor () and/or the hydraulic pump are also connected to the power module () via the gearbox () and the main clutch (). Also, the compressor () and/or hydraulic pump are connected to the power module () via the gearbox () and the main clutch (). This architecture permits the functioning modes of the APU to be extended, increasing its performance and reducing harmful environmental effects.

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Madrid, Spain

Hugo Casado Abarquero