Patent ID: 8764383

Claim:
An assembly for driving accessories of a gas turbine, the assembly comprising: a gearbox having a front side face and a rear side face opposite the front face and having mounted therein a first gear train made up of first, second, and third toothed wheels meshing with one another, and a second gear train made up of first, second, third, and fourth toothed wheels meshing with one another; a power transmission shaft that is coupled in rotation with the first and second gear trains by a toothed wheel pair, and that emerges from the front side face of the gearbox; nine distinct gas turbine accessories mounted against the side faces of the gearbox, and each including a respective drive shaft that is coupled in rotation with one of the toothed wheels of the two gear trains, the accessories comprising first and second electricity generators for delivering electrical power; a permanent magnet alternator for delivering electricity to equipment of the gas turbine; a starter for starting the gas turbine; first and second hydraulic pumps for delivering oil under pressure; a main oil pump for delivering lubricating oil to an oil circuit; a main fuel pump; and a centrifugal deoiler, wherein the drive shafts of the first and second electricity generators and the permanent magnet alternator are coupled to the toothed wheels of the first gear train and the drive shafts of the starter, the first and second hydraulic pumps, the main oil pump, the main fuel pump, and the centrifugal deoiler are coupled to the toothed wheels of the second drive train, wherein the drive shafts of the first hydraulic pump and the main oil pump are both coupled in rotation with the second toothed wheel of the second gear train, the main oil pump being mounted against the front side face of the gearbox and the first hydraulic pump being mounted against the rear side face of the gearbox.