Patent ID: 8118253

Claim:
An auxiliary Power Unit of an aircraft, comprising: a power module ( 1 ) to be supplied with fuel ( 2 ); a gearbox ( 5 a ); an electric generator ( 6 ); and an element comprising at least one of a compressor ( 4 ), and a hydraulic pump, and in order to provide a functioning mode for production of power comprising at least one of electric power ( 8 ), pneumatic power ( 7 ), and hydraulic power; wherein an electric motor ( 9 ) is integrated into the electric generator ( 6 ), and the electric motor ( 9 ) and the electric generator ( 6 ) are connected to the power module ( 1 ) via the gearbox ( 5 a ) and via a main clutch ( 10 ) in a manner such that said element is also connected to the power module ( 1 ) via the gearbox ( 5 a ) and the main clutch ( 10 ).