公开(公告)号：DE602004025895D1

公开(公告)日：2010-04-22

申请号：DE602004025895

申请日：2004-12-03

Applicant: UNITED TECHNOLOGIES CORP

Inventor： MARCIN JOHN J JR ,  MURRAY STEPHEN D ,  KENNARD LEA D ,  SCHOFIELD DONALD D ,  VERNER CARL R ,  HERRING MARIA A ,  RITCHIE RICHARD L ,  CLEMENS READE R ,  TURKINGTON MICHAEL K ,  NORTON DELWYN E

IPC: B22C9/04 ,  B22C13/08 ,  C23C2/00

Abstract: An apparatus for shelling an investment casting pattern (22) has a tank (26) containing a coating material (28). There are means for holding the pattern immersed in the coating material. There may be means for vibrating the pattern during immersion of the pattern and a vacuum source (126) coupled to the tank to withdraw air from at least one headspace (79) of the tank.

公开(公告)号：PL369745A1

公开(公告)日：2005-03-07

申请号：PL36974504

申请日：2004-08-25

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BULLIED STEVEN J ,  HERRING MARIA A ,  KROTZER W SAMUEL JR ,  MURRAY STEPHEN D

IPC: B22C9/00 ,  B22C9/02 ,  B22C9/04 ,  B22C9/08 ,  B22C9/20

Abstract: A method and apparatus are used to cast a number of elements such as turbine engine blades. The blades have an airfoil and a root for securing the blade to a disk. A number of mold sections (70) each have internal surfaces for forming an associated at least one of the elements. The mold sections (70) are assembled into a cluster and molten alloy is introduced to the assembled mold sections (70) through a distribution manifold (80).