BRIEF DESCRIPTION OF THE DRAWINGS
The invention will now be described in more detail with reference to the appended drawings, in which:
FIG. 1 represents in axial section a partial view of a mounting solution corresponding to the teaching of the prior art;
FIG. 2 shows the elements of FIG. 1 preassembled and prior to the mounting of the HP compressor shaft;
FIG. 3 represents in axial half-section a partial view of a system for fastening the end of the HP compressor shaft according to the invention;
FIG. 4 shows the first step of the mounting seen from the IGB side upstream of the HP compressor shaft;
FIG. 5 shows the first step of the mounting seen from the HP compressor shaft side;
FIG. 6 shows the second step with the mating of the compressor shaft;
FIG. 7 shows the more advanced engagement of the compressor shaft;
FIG. 8 shows that the screwing of the retractable nut onto the sleeve of the bearing is completed and that the nut retainer as described in FIG. 3 can be fitted.
Patent Application
20070177936
