公开(公告)号：US20190040744A1

公开(公告)日：2019-02-07

申请号：US15670654

申请日：2017-08-07

Applicant: United Technologies Corporation

Inventor： Daniel A. Bales ,  Dmitri Novikov ,  Robert C. Dolan ,  Kenneth A. Frisk ,  Steven T. Gordon ,  William R. Graves ,  Eric W. Malmborg ,  Francis B. Parisi ,  Randy P. Salva ,  Michael A. Weisse ,  Russell A. Beers ,  Xuedong Zhou ,  Christopher Treese ,  Tri Nguyen

IPC: F01D5/14 ,  F04D29/26 ,  B23P15/04 ,  B23K15/00 ,  B23K26/28

Abstract: An airfoil including an airfoil body, a recessed portion of a first depth in a first side of the airfoil body, the recessed portion including a plurality of pockets of a second depth located within the recessed portion and ribs of the first depth located between the pockets, a cover configured to fit into the recessed portion such that an interior surface of the cover engages the ribs and an exterior surface of the cover is about flush with an exterior surface of the first side of the airfoil body, and a high energy beam weld configuration extending through the cover and into the ribs and positioned to attach the cover to the ribs.