Process for manufacturing or repairing a monobloc bladed disc

Details Process for manufacturing or repairing a monobloc bladed disc Process for manufacturing or repairing a monobloc bladed disc

2006-10-24

2006-10-24

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Welded, cemented or fused

C416S234000, C029S402080, C029S402130, C029S889100, C029S889210, C228S112100, C228S114000, C228S119000

Reexamination Certificate

active

07125227

ABSTRACT:
A monobloc bladed disc and a process for manufacturing or repairing a monobloc bladed disc, where the process includes forming, on a protruding projection belonging to a disc and extending from an upstream end to a downstream end along a protruding projection chord, a welded joint surface intended to allow a subsequent stage of fitting a blade by linear friction welding onto the protruding projection of the disc. The forming the welded joint surface is carried out in such a way that it includes at least two butt-jointed plane portions arranged in sequence along the protruding projection chord.

REFERENCES:
patent: 4883216 (1989-11-01), Patsfall
patent: 5492581 (1996-02-01), Searle
patent: 5865364 (1999-02-01), Trask et al.
patent: 6595401 (2003-07-01), Collot et al.
patent: 6688512 (2004-02-01), Trask
patent: 0 458 630 (1991-11-01), None
patent: 0 850 718 (1998-07-01), None
patent: 0 887 143 (1998-12-01), None

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