Method of replacing an abradable portion on the casing on a...

Details Method of replacing an abradable portion on the casing on a... Method of replacing an abradable portion on the casing on a...

2007-10-09

2007-10-09

Omgba, Essama (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C029S402020, C029S402070, C029S402080, C029S402090, C029S407010

Reexamination Certificate

active

10709211

ABSTRACT:
A simple and low cost method of replacing an abradable portion on the fan casing of a turbojet includes an inside heating belt together with holding sectors therefor are put into place against the abradable portion, each holding sector including an inflatable bladder, and the abradable portion and the inside heating belt being sandwiched in full between the fan casing and the bladders, the holding sectors themselves being held in place by a plurality of straps attached to the fan casing by fixing points.

REFERENCES:
patent: 4460185 (1984-07-01), Grandey
patent: 4536127 (1985-08-01), Rossmann et al.
patent: 5451351 (1995-09-01), Blackmore
patent: 5655701 (1997-08-01), Quattrocchi et al.
patent: 5735045 (1998-04-01), Papayoti

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