公开(公告)号：US10662788B2

公开(公告)日：2020-05-26

申请号：US15920878

申请日：2018-03-14

Applicant: United Technologies Corporation

Inventor： Agnieszka M. Wusatowska-Sarnek

IPC: F01D11/12 ,  F01D5/28 ,  C23C8/68 ,  C23C8/80

Abstract: A gas turbine engine includes: a turbine section including a casing extending circumferentially about a plurality of turbine blades and having at least one seal member coated with an abradable coating. At least one turbine blade has sides and a tip and at least one seal member is located adjacent to the tip of the at least one turbine blade. The tip of the at least one turbine blade has a wear resistant layer and an abrasive coating disposed on the wear resistant layer. The wear resistant layer has a thickness less than or equal to 10 mils (254 micrometers) and includes metal boride compounds.

公开(公告)号：US10400786B2

公开(公告)日：2019-09-03

申请号：US15344638

申请日：2016-11-07

Applicant: United Technologies Corporation

Inventor： Agnieszka M. Wusatowska-Sarnek ,  Sergei F. Burlatsky ,  David Ulrich Furrer ,  J. Michael McQuade

IPC: F04D29/38 ,  F01D5/28 ,  F01D11/12 ,  F04D29/02 ,  F04D29/16 ,  F04D29/52 ,  F01D5/20 ,  F04D29/32

Abstract: A rotor for a turbomachine is provided which includes a hub; and a plurality of blades extending radially from the hub, the plurality of blades comprising a first subset of blades having first tips and an abrasive coating on the first tips, and a second subset of blades having second tips with no abrasive coating on the second tips, wherein a radius (R2) of the first subset of blades, including thickness of the abrasive coating, is greater than a radius (R1) of the second subset of blades, and wherein a base radius (R) of the first subset of blades, not including thickness of the abrasive coating, is less than the radius (R1) of the second subset of blades.

公开(公告)号：US20190136701A1

公开(公告)日：2019-05-09

申请号：US15804430

申请日：2017-11-06

Applicant: United Technologies Corporation

Inventor： Agnieszka M. Wusatowska-Sarnek

IPC: F01D5/28 ,  C25D3/12 ,  C25D15/00

Abstract: Disclosed herein is an article comprising a substrate; an abrasive coating disposed on the substrate; where the abrasive coating comprises a matrix having abrasive grit particles dispersed therein; and a layer of material disposed on the abrasive coating; where the layer of material is a titanium nitride (TiN), boron nitride (BN), titanium-aluminum-nitrides [(TiAl)N], titanium-aluminum-silicon-nitrides [(TiAlSi)N], chromium nitrides (CrN), aluminum oxide (Al2O3), titanium oxide (TiO2), silicon carbo-nitride (SiCN), titanium carbo-nitride (TiCN), or a combination thereof.

公开(公告)号：US20180231014A1

公开(公告)日：2018-08-16

申请号：US15430783

申请日：2017-02-13

Applicant: United Technologies Corporation

Inventor： Pantcho P. Stoyanov ,  Agnieszka M. Wusatowska-Sarnek ,  Thomas D. Kasprow ,  David Ulrich Furrer ,  Sergei F. Burlatsky

IPC: F04D29/16 ,  F04D29/52 ,  C23C24/04 ,  C23C4/12

CPC classification number: F04D29/164 ,  C23C4/12 ,  C23C24/04 ,  C23C28/022 ,  C23C28/027 ,  C23C28/324 ,  C23C28/3455 ,  C23C28/42 ,  F01D5/288 ,  F01D11/122 ,  F04D29/526 ,  F05D2230/31

Abstract: A multilayer abradable coating includes at least one first abradable layer; and at least one second abradable layer, wherein the first abradable layer and the second abradable layer have different properties related to erosion resistance.

公开(公告)号：US09834326B2

公开(公告)日：2017-12-05

申请号：US14786838

申请日：2014-04-11

Applicant: United Technologies Corporation

Inventor： Agnieszka M. Wusatowska-Sarnek ,  James S. Guest ,  Larry G. Housefield ,  Enrique E. Montero ,  Ruston M. Moore

IPC: B65B1/06 ,  B22F3/00 ,  B22F1/00 ,  B65B1/48 ,  B65B39/12 ,  B65B1/26 ,  B65B1/22

CPC classification number: B65B1/06 ,  B22F1/00 ,  B22F3/004 ,  B22F2999/00 ,  B65B1/22 ,  B65B1/26 ,  B65B1/48 ,  B65B39/12 ,  B22F2202/01 ,  B22F2201/02

Abstract: A powder filling method includes introducing a tube into a can so that the lower end of the tube is near the bottom of the can. The powder in the can is introduced through the tube. The proximity of the lower end of the tube to the powder is controlled by retracting the tube as the powder fills the can.