Invention Grant
- Patent Title: Wear resistant turbine blade tip
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Application No.: US15920878Application Date: 2018-03-14
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Publication No.: US10662788B2Publication Date: 2020-05-26
- Inventor: Agnieszka M. Wusatowska-Sarnek
- Applicant: United Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: RAYTHEON TECHNOLOGIES CORPORATION
- Current Assignee: RAYTHEON TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: F01D11/12
- 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.
Public/Granted literature
- US20190242261A1 WEAR RESISTANT TURBINE BLADE TIP Public/Granted day:2019-08-08
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