| 发明名称 |
GUIDE VANE RING FOR A TURBOMACHINE AND TURBOMACHINE |
| 摘要 |
The present invention relates to a guide vane ring (1) for a turbomachine, having a plurality of rotatable guide vanes (3), and having an inner ring (5), wherein the inner ring (5) has a seal (17) for sealing a radial gap between the inner ring (5) and an opposite-lying rotor segment (7), and wherein the inner ring (5) comprises at least two inner ring segments (11). The inner ring (5) is produced from a material or has a material that has a heat expansion coefficient α of less than 6*10−6 per Kelvin in a temperature range between at least 20 degrees Celsius and 90 degrees Celsius. In addition, the present invention relates to a turbomachine having at least one guide vane ring (1) according to the invention. |
| 申请公布号 |
US2016115966(A1) |
申请公布日期 |
2016.04.28 |
| 申请号 |
US201514886659 |
申请日期 |
2015.10.19 |
| 申请人 |
MTU Aero Engines AG |
发明人 |
Wulf Joachim |
| 分类号 |
F04D29/08;F04D29/46;F04D19/00 |
主分类号 |
F04D29/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A guide vane ring (1) for a turbomachine, having a plurality of rotatable guide vanes (3), and having an inner ring (5), wherein the inner ring (5) has a seal (17) for sealing a radial gap between the inner ring (5) and an opposite-lying rotor segment (7), and wherein the inner ring (5) comprises at least two inner ring segments (11), wherein the inner ring (5) is produced from a material or has a material that has a heat expansion coefficient α of less than 6*10−6 per Kelvin in a temperature range between at least 20 degrees Celsius and 90 degrees Celsius. |
| 地址 |
Munich DE |
