公开(公告)号：US20180051575A1

公开(公告)日：2018-02-22

申请号：US15239968

申请日：2016-08-18

Applicant: General Electric Company

Inventor： David Wayne Weber ,  Gregory Thomas Foster ,  Michelle Jessica Iduate ,  Lana Maria Osusky

IPC: F01D5/18 ,  F02C3/04 ,  F01D5/14 ,  F01D9/02 ,  F01D25/12

CPC classification number: F01D5/187 ,  F01D5/147 ,  F01D5/18 ,  F01D5/186 ,  F01D9/02 ,  F01D25/12 ,  F02C3/04 ,  F05D2220/32 ,  F05D2240/303 ,  F05D2240/35 ,  F05D2260/201 ,  F05D2260/202

Abstract: A cooling circuit according to an embodiment includes: a cooling circuit for a multi-wall blade, the cooling circuit including: a pressure side cavity with a surface adjacent a pressure side of the multi-wall blade; a suction side cavity with a surface adjacent a suction side of the multi-wall blade; a central cavity disposed between the pressure side and suction side cavities, the central cavity including no surfaces adjacent the pressure and suction sides of the multi-wall blade; a first leading edge cavity with surfaces adjacent the pressure and suction sides of the multi-wall blade; and at least one impingement opening for fluidly coupling the first leading edge cavity with a second leading edge cavity.