| 发明名称 |
NOISE ATTENUATION IN ROTATING BLADES |
| 摘要 |
A blade for a rotating machine, particularly for a gas turbine engine, has a leading edge and a trailing edge joined by pressure and suction surfaces. The trailing edge has a serrated form including a first periodic variation and a second periodic variation of higher frequency and lower amplitude than the first periodic variation. |
| 申请公布号 |
US2014377077(A1) |
申请公布日期 |
2014.12.25 |
| 申请号 |
US201214365135 |
申请日期 |
2012.12.13 |
| 申请人 |
ROLLS-ROYCE PLC |
发明人 |
Gruber Mathieu;Joseph Philip;Azarpeyvand Mahdi |
| 分类号 |
F01D5/14 |
主分类号 |
F01D5/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A blade for a rotating machine, the blade having a leading edge and a trailing edge joined by pressure and suction surfaces, the trailing edge having a serrated form comprising a first periodic variation, wherein the trailing edge region has a second periodic variation of higher frequency and lower amplitude than the first periodic variation. |
| 地址 |
London GB |
