US 7,367,774 B2
System for protecting a main shaft of an engine having a fusible bearing
Sébastien Bourget, Tournan en Brie (France); Bruno Dambrine, Le Chatelet en Brie (France); Claude Mons, Savigny le Temple (France); and Jean-Luc Soupizon, Vaux le Penil (France)
Assigned to SNECMA, Paris (France)
Filed on Apr. 07, 2005, as Appl. No. 11/100,473.
Claims priority of application No. 04 03911 (FR), filed on Apr. 14, 2004.
Prior Publication US 2005/0249580 A1, Nov. 10, 2005
Int. Cl. F01D 21/00 (2006.01)
U.S. Cl. 415—9  [415/174.1; 415/216.1; 416/244 A] 13 Claims
OG exemplary drawing
 
1. A turbomachine comprising at least a first rotary assembly with a first shaft, a stator, and bearings secured to the stator and suitable for supporting said shaft, one of said bearings being capable of giving way when an unbalance occurs in the rotary assembly, wherein at least one segment of said shaft is covered in a covering which comprises at least one piece of fabric impregnated with resin and which is for coming into contact with a surrounding portion of the turbomachine when said unbalance occurs.