System and method for passive cooling of gas turbine engine...

Details System and method for passive cooling of gas turbine engine... System and method for passive cooling of gas turbine engine...

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 25/12 (2006.01) F02C 7/12 (2006.01) F02C 9/00 (2006.01)

Patent

CA 2655842

A system for cooling a gas turbine engine control component (60) comprises a control component (60), at least one duct (63,64) in fluid communication with the component (60) and the atmosphere, and a valve assembly (67) located with the duct (63,64) for modulating airflow to the component (60). A method for cooling a gas turbine engine control component (60) comprises the steps of: a) providing a system for cooling the component (60), the system comprising at least one duct (63,64) in fluid communication with the component (60) and the atmosphere and a valve assembly (67) located with the duct (63,64) for modulating airflow to the component (60); b) exposing the system to a first condition where cooling of the component (60) is required; c) opening the valve assembly (67) in response to the first condition; d) exposing the system to a second condition where cooling of the component (60) is not required; and e) closing the valve assembly (67) in response to the second condition.

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