Double impingement vane platform cooling

Details Double impingement vane platform cooling Double impingement vane platform cooling

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 7/18 (2006.01) F01D 5/18 (2006.01) F01D 5/22 (2006.01) F01D 25/14 (2006.01)

Patent

CA 2509863

A gas turbine engine vane assembly provides double impingement cooling of a vane platform. An impingement structure disposed adjacent the vane platform defines at least first and second plenums in fluid flow communication, respectively defined in part by the vane platform. The vane platform has first and second surfaces defined within the first and second plenums, and which are cooled by successive impingement of secondary cooling air flow through the impingement structure.

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