| 发明名称 |
HYBRID PASSIVE AND ACTIVE TIP CLEARANCE SYSTEM |
| 摘要 |
A control ring extends circumferentially about a central axis. A plurality of circumferentially spaced carrier portions have a cavity receiving the control ring. There are circumferential gaps between the carrier portions. A blade outer air seal is mounted on the carrier portions radially inwardly of the control ring. The control ring maintains the carrier portions at a radially outwardly expanded position when heated by an electric heater. |
| 申请公布号 |
US2015369076(A1) |
申请公布日期 |
2015.12.24 |
| 申请号 |
US201414765117 |
申请日期 |
2014.03.05 |
| 申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
McCaffrey Michael G.;Borja Mark;Rouse Brandon T.;Farris John R.;Pelletier Brian R.;Almy Thomas;Garcia Igor S. |
| 分类号 |
F01D11/18;F01D5/02 |
主分类号 |
F01D11/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A blade outer air seal assembly comprising:
a control ring extending circumferentially about a central axis; a plurality of circumferentially spaced carrier portions having a cavity receiving said control ring, the carrier portions positioned with circumferential gaps between said carrier portions; a blade outer air seal mounted on said carrier portions radially inwardly of said control ring; and wherein said control ring maintains said carrier portions at a radially outwardly expanded position when said control ring is heated by an electric heater. |
| 地址 |
Hartford CT US |
