公开(公告)号：DE602007000674D1

公开(公告)日：2009-04-23

申请号：DE602007000674

申请日：2007-08-03

Applicant: UNITED TECHNOLOGIES CORP

Inventor： LUTJEN PAUL M ,  HOFF RICHARD W ,  PAGE RICHARD H ,  GATES ROGER J ,  BLAIR MICHAEL F

IPC: B22C9/10

公开(公告)号：SG139617A1

公开(公告)日：2008-02-29

申请号：SG2007028566

申请日：2007-04-19

Applicant: UNITED TECHNOLOGIES CORP

Inventor： THOLEN SUSAN M ,  LUTJEN PAUL M ,  PAGE RICHARD H ,  HOFF RICHARD W ,  GATES ROGER J ,  BLAIR MICHAEL F

Abstract: BLADE OUTER AIR SEAL CORES AND MANUFACTURE METHODS A blade outer air seal (BOAS) casting core has first and second end portions and a plurality of legs. Of these legs, first legs each have: a proximal end joining the first end portion; a main body portion; and a free distal portion. Second legs each have: a proximal end joining the second end portion; a main body portion; and a free distal portion.