公开(公告)号：US20230243269A1

公开(公告)日：2023-08-03

申请号：US17587246

申请日：2022-01-28

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Zhigang Wang ,  Tahany El-Wardany ,  Xia Tang ,  Gajawalli V. Srinivasan ,  Anthony G. Ruglio ,  Xiaomei Fang

IPC: F01D5/28 ,  F01D25/24

CPC classification number: F01D5/288 ,  F01D25/24 ,  F05D2250/185 ,  F05D2250/184 ,  F05D2300/611

Abstract: A gas turbine engine article includes a substrate that has a pre-bond surface that includes a serpentine groove. A coating is disposed on the pre-bond surface and mechanically interlocks with the serpentine groove.

公开(公告)号：US11814983B2

公开(公告)日：2023-11-14

申请号：US17826377

申请日：2022-05-27

Applicant: Raytheon Technologies Corporation

Inventor： Anthony G. Ruglio ,  George H. Reynolds ,  Gerard V. Cadieux ,  George Kenneth Spencer

IPC: B08B3/02 ,  B08B7/00 ,  F04D29/70 ,  F01D5/28 ,  F04D29/02

CPC classification number: F01D5/288 ,  B08B3/022 ,  B08B3/024 ,  B08B7/0092 ,  F04D29/023 ,  F04D29/703 ,  B08B2203/0223 ,  F05D2220/36 ,  F05D2300/173

Abstract: A method for stripping a coating off of a blade includes discharging liquid nitrogen through a nozzle onto the blade at a coating to cause lifting of the coating from a substrate of the blade and traversing the nozzle along the blade to cause peeling of the coating off of the substrate of the blade as the nozzle traverses the blade.

公开(公告)号：US11828196B2

公开(公告)日：2023-11-28

申请号：US17587246

申请日：2022-01-28

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Zhigang Wang ,  Tahany El-Wardany ,  Xia Tang ,  Gajawalli V. Srinivasan ,  Anthony G. Ruglio ,  Xiaomei Fang

IPC: F01D5/28 ,  F01D25/24

CPC classification number: F01D5/288 ,  F01D25/24 ,  F05D2250/184 ,  F05D2250/185 ,  F05D2300/611

Abstract: A gas turbine engine article includes a substrate that has a pre-bond surface that includes a serpentine groove. A coating is disposed on the pre-bond surface and mechanically interlocks with the serpentine groove.

公开(公告)号：US20220282738A1

公开(公告)日：2022-09-08

申请号：US17826377

申请日：2022-05-27

Applicant: Raytheon Technologies Corporation

Inventor： Anthony G. Ruglio ,  George H. Reynolds ,  Gerard V. Cadieux ,  George Kenneth Spencer

IPC: F04D29/70 ,  B08B3/02 ,  B08B7/00 ,  F04D29/02 ,  B08B3/08

Abstract: A method for stripping a coating off of a blade includes discharging liquid nitrogen through a nozzle onto the blade at a coating to cause lifting of the coating from a substrate of the blade and traversing the nozzle along the blade to cause peeling of the coating off of the substrate of the blade as the nozzle traverses the blade.