公开(公告)号：US20140170012A1

公开(公告)日：2014-06-19

申请号：US13718385

申请日：2012-12-18

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Robert P. Delisle ,  Christopher F. O'Neill ,  Paul R. Faughnan ,  Jesse R. Boyer

IPC: B22F3/16 ,  B29C67/00 ,  B22F3/00

CPC classification number: B33Y10/00 ,  B22F3/1055 ,  B22F2003/1056 ,  B29C64/153 ,  B33Y30/00 ,  Y02P10/295

Abstract: The invention relates to an additive manufacturing apparatus and method. According to the invention, an additive manufacturing apparatus includes a material supply system. The material supply system delivers layers of partially sintered pulverant material to an additive manufacturing device.

Abstract translation: 本发明涉及添加剂制造装置和方法。 根据本发明，添加剂制造装置包括材料供给系统。 材料供应系统将部分烧结的粉末材料层递送到添加剂制造装置。

公开(公告)号：US11623290B2

公开(公告)日：2023-04-11

申请号：US16289740

申请日：2019-03-01

Applicant: United Technologies Corporation

Inventor： Alex C. Freedman ,  Paul R. Faughnan

IPC: B23H9/10 ,  B23H3/04 ,  B23H7/26 ,  F01D5/28

Abstract: A method of forming a gas turbine engine component including an airfoil and at least one shroud includes the steps of (1) machining a gas path surface of the at least one shroud utilizing a non-electrochemical machining (ECM) process, and (2) then utilizing ECM on at least the airfoil.