公开(公告)号：DE69912386D1

公开(公告)日：2003-12-04

申请号：DE69912386

申请日：1999-12-22

Applicant: UNITED TECHNOLOGIES CORP

Inventor： DALZELL WILLIAM J ,  DAVIS CHARLES G

IPC: F02C7/00 ,  C09K3/14 ,  C22C9/00 ,  C22C9/06 ,  C22C32/00 ,  C22C29/00 ,  C23C4/10

Abstract: A copper based abradable material for use with knife edge seals is disclosed. The copper base abradable contains a significant amount of a lubricating material such as boron nitride. The material can be abraded by smooth knife edges, is oil compatible, and any abraded material will not cause bearing damage. The material is preferably applied by a thermal spray process. Preferably the material comprises, by volume, 35-50% copper alloy matrix, 25-55% lubricant (preferably BN), balance porosity and matrix material oxides.

公开(公告)号：DE69912386T2

公开(公告)日：2004-08-19

申请号：DE69912386

申请日：1999-12-22

Applicant: UNITED TECHNOLOGIES CORP

Inventor： DALZELL WILLIAM J ,  DAVIS CHARLES G

IPC: F02C7/00 ,  C09K3/14 ,  C22C9/00 ,  C22C9/06 ,  C22C32/00 ,  C22C29/00 ,  C23C4/10

Abstract: A copper based abradable material for use with knife edge seals is disclosed. The copper base abradable contains a significant amount of a lubricating material such as boron nitride. The material can be abraded by smooth knife edges, is oil compatible, and any abraded material will not cause bearing damage. The material is preferably applied by a thermal spray process. Preferably the material comprises, by volume, 35-50% copper alloy matrix, 25-55% lubricant (preferably BN), balance porosity and matrix material oxides.

公开(公告)号：DE69504678T2

公开(公告)日：1999-05-06

申请号：DE69504678

申请日：1995-03-27

Applicant: UNITED TECHNOLOGIES CORP

Inventor： WRIGHT ROBERT J ,  DALZELL WILLIAM J

IPC: C25D13/00 ,  C25D13/02 ,  C25D13/16

公开(公告)号：DE69504678D1

公开(公告)日：1998-10-15

申请号：DE69504678

申请日：1995-03-27

Applicant: UNITED TECHNOLOGIES CORP

Inventor： WRIGHT ROBERT J ,  DALZELL WILLIAM J

IPC: C25D13/00 ,  C25D13/02 ,  C25D13/16