Coolable stator assembly for a rotary machine

Details Coolable stator assembly for a rotary machine Coolable stator assembly for a rotary machine

F - Mech Eng,Light,Heat,Weapons

02

C

170/67

F02C 7/12 (2006.01) F01D 11/08 (2006.01) F01D 25/14 (2006.01)

Patent

CA 1212047

-26- Abstract Coolable Stator Assembly For a Rotary Machine A coolable stator assembly 16 for a gas turbine engine 10 is disclosed. The stator assembly includes an outer air seal 26 and an upstream support 32 and a downstream support 34 supporting the outer air seal about a flow path 14 for working medium gases. Various construction details are developed which enable impingement cooling of the outer air seal at a first location with cooling air and enable ducting a portion of the collected cooling air through the support for impingement cooling of the outer air seal at a second location. In one embodiment, metering holes 112 extend through the supports for directing the cooling air against the edge region of the outer air seal.

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