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An apparatus for supporting a rotatable shaft within a gas turbine engine during a high rotor imbalance condition includes a first bearing and a fixed support frame. One of the support frame or shaft includes a one-piece flange that has a first portion, a second portion and a failure region with a p

An apparatus for supporting a rotatable shaft within a gas turbine engine during a high rotor imbalance condition includes a first bearing and a fixed support frame. One of the support frame or shaft includes a one-piece flange that has a first portion, a second portion and a failure region with a predetermined load capacity, which connects the first and second portion together. The bearing is radially disposed between the rotatable shaft and the fixed support frame, and is supported by the second portion of the flange. The bearing provides a load path between the fixed support frame and the rotatable shaft until a high rotor imbalance condition when the failure region fails in response to the application of loads that exceed the load capacity of the failure region. The failure of the failure region then provides for the separation of the first portion of the flange from the second portion and the elimination of the load path through the bearing.

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus for supporting a rotatable shaft within a gas turbine engine, said apparatus comprising:a first bearing; anda fixed support frame which includes a one-piece flange, said flange having a first portion, a second portion, and a failure region with a predetermine

[ What is claimed is:] [1.] An apparatus for supporting a rotatable shaft within a gas turbine engine, said apparatus comprising:a first bearing; anda fixed support frame which includes a one-piece flange, said flange having a first portion, a second portion, and a failure region with a predetermined load capacity connecting said first portion and said second portion;wherein said first bearing is radially disposed between the rotatable shaft and said fixed support frame, and said second portion of said flange supports said first bearing;wherein said first bearing provides a load path between said fixed support frame and the rotatable shaft;wherein exceeding said load capacity of said failure region causes said failure region to fail and the separation of said first portion from said second portion.