Patent ID: 8616828
Filing Date: 2013-12-31
Classification: F02C,F05D

Abstract:
1. A cooling system for rotor assembly cooling air, comprising: a housing including a support structure and a main plenum with at least a first inlet opening at a first end and a first exhaust opening at a second end; a rotor air cooler positioned at least partially in the main plenum between the first and second ends such that cooling fluids are directed to flow through the plenum and contact the rotor air cooler; a by-pass plenum having a by-pass inlet opening in the main plenum downstream from the rotor air cooler and a by-pass outlet opening upstream of the rotor air cooler; an exhaust fluid control device that controls fluid flow out of the first exhaust opening at the second end of the main plenum; and a by-pass fluid control device that controls fluid flow into the by-pass inlet opening of the by-pass plenum.