| 摘要 |
The present invention pertains to a turbo-jet engine comprising a fixed structure, a fan rotor integral with a drive shaft supported by a first bearing and a second bearing. It is characterized in that it comprises means forming axial retaining means for the fan rotor and/or forming an emergency bearing, cooperating with means of the fixed structure and mounted integral with the drive shaft. In particular it comprises a structural flange on which the second bearing is fixed, and the means forming axial retaining means for the fan and/or forming an emergency bearing comprise a retaining disk mounted on the drive shaft and cooperating with a stop disk of flange for axially retaining fan and with a longitudinal sleeve of flange to form an emergency bearing.
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