F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 11/12 (2006.01) B23P 6/00 (2006.01) B29C 63/28 (2006.01) F01D 25/28 (2006.01) B29C 63/00 (2006.01) B29C 63/34 (2006.01) B29C 63/48 (2006.01)
Patent
CA 2463180
The invention proposes a simple and low cost method of replacing an abradable portion on the fan casing of a turbojet includes an inside heating belt (100) together with holding sectors (110) therefor are put into place against the abradable portion (80), each holding sector including an inflatable bladder (120), and the abradable portion (80) and the inside heating belt (100) being sandwiched in full between the fan casing (60)and the bladders (120), the holding sectors (110) themselves being held in place by a plurality of straps (125) attached to the fan casing (60) by fixing points (96).
L'invention propose un procédé simple et économique pour remplacer un abradable sur le carter de soufflante d'un turboréacteur. Ce procédé est remarquable en ce qu'on met en place contre l'abradable (80) une ceinture chauffante interne (100) et des secteurs de maintien (110) comportant chacun une vessie (120) gonflable, l'abradable (80) et la couverture chauffante interne (100) étant intégralement pris en sandwich entre le carter de soufflante (60) et les vessies (120), les secteurs de maintien (110) étant eux-mêmes maintenus en place par une pluralité de brides (125) attachées au carter de soufflante (60) par les points de fixation (96).
Hamel Yannick
Le Saint Jacques
Ponsen Francois
Verrieres Alain
Robic
Snecma Services
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