发明名称 |
Blade outer air seal for a gas turbine engine |
摘要 |
A blade outer air seal (BOAS) for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a seal body having a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion. The BOAS includes a trough disposed on the radially inner face and an abradable seal received within the trough. The trough is open to expose a leading edge of the abradable seal to a core flow path of the gas turbine engine. |
申请公布号 |
US9617866(B2) |
申请公布日期 |
2017.04.11 |
申请号 |
US201213559901 |
申请日期 |
2012.07.27 |
申请人 |
United Technologies Corporation;MTU Aero Engines AG |
发明人 |
Leslie Nicholas R.;Maalouf Fadi S.;Zotz Georg;Humhauser Werner |
分类号 |
F01D11/12 |
主分类号 |
F01D11/12 |
代理机构 |
Carlson, Gaskey & Olds |
代理人 |
Carlson, Gaskey & Olds |
主权项 |
1. A gas turbine engine, comprising:
a casing; a blade outer air seal (BOAS) attached to said casing and including a seal body including a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion, a trough at said radially inner face, and an abradable seal received within said trough, said trough configured to expose a leading-most edge of said abradable seal; and a thermal barrier coating disposed on a first surface and a second surface of said casing, a portion of said first surface being axially and radially displaced from a portion of said second surface such that said thermal barrier coating of said first surface axially overlaps said thermal barrier coating of said second surface. |
地址 |
Hartford CT US |