Rotary kinetic fluid motors or pumps – Including destructible – fusible – or deformable non-reusable...
Patent
1998-12-22
2000-07-04
Look, Edward K.
Rotary kinetic fluid motors or pumps
Including destructible, fusible, or deformable non-reusable...
4151734, 4151744, 415229, F01D 2500
Patent
active
060829591
ABSTRACT:
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.
REFERENCES:
patent: 4193741 (1980-03-01), Briggs
patent: 4201513 (1980-05-01), Sales
patent: 5791789 (1998-08-01), Van Duyn et al.
Krasinski Monica G.
Look Edward K.
McAleenan James M.
United Technologies Corporation
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