| 发明名称 |
ROTOR DISC |
| 摘要 |
A rotor disc having an enlarged radially outer rim defining a circumferentially-extending dovetail groove for housing the root portion of a rotor blade. The groove has a groove axis and the groove is unsymmetrical about the groove axis. For example, the dovetail groove may have a restricted radially outer opening extending to an enlarged radially inner bulb profile having a pair of axially opposed curved surfaces and the opposing curved surfaces may unsymmetrical about the groove axis. |
| 申请公布号 |
US2016238020(A1) |
申请公布日期 |
2016.08.18 |
| 申请号 |
US201615009934 |
申请日期 |
2016.01.29 |
| 申请人 |
ROLLS-ROYCE plc |
发明人 |
JONES Oliver R;CROFTS Richard A |
| 分类号 |
F04D29/32;F01D5/30;F01D5/06 |
主分类号 |
F04D29/32 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A rotor disc having an enlarged radially outer rim defining a circumferentially-extending dovetail groove for housing the root portion of a rotor blade, the groove having a groove axis wherein the groove is unsymmetrical about a radially-extending plane through the groove axis. |
| 地址 |
London GB |
