Patent ID: 6206631
Filing Date: 2001-03-27
Classification: F01D,Y02T

Abstract:
A blade containment structure of a turbomachine having a plurality of blades circumscribed by the blade containment structure, the blade containment structure comprising:a first casing member having a wall that defines an inner containment shell immediately surrounding the blades within the blade containment structure, the first casing member being formed from a first material;a second casing member assembled to the first casing member, the second casing member having a wall that defines an outer containment shell surrounding the inner containment shell, the second casing member having an aft wall that does not surround the inner containment shell of the first casing member, the second casing member being formed from a second material that is lower in density than the first material of the first casing member; anda cavity defined by and between the inner and outer containment shells.