Patent ID: 8006501

Claim:
A device for driving the rotor of an auxiliary mounted on a turbine engine auxiliaries support comprising: a rotor shaft connected to the auxiliary at a first end of the rotor shaft; a pinion which drives the rotor shaft; a tubular shaft driven by the pinion; a first bearing which is secured to the auxiliaries support and supports the tubular shaft at a first end of the tubular shaft; a second bearing which is secured to the auxiliaries support and supports the tubular shaft at a second end of the tubular shaft; and at least one third bearing which is secured to the auxiliaries support and supports the rotor shaft, wherein the rotor shaft is disposed inside of and coaxial with the tubular shaft and a rotational-coupling device is formed between the rotor shaft and the tubular shaft at a second end of the rotor shaft and the first end of the tubular shaft, and wherein a middle portion of the rotor shaft between the first end and the second end of the rotor shaft is directly supported by the at least one third bearing.