发明名称 |
Turbine shaft and production of a turbine shaft |
摘要 |
The invention relates to a turbine shaft for a steam turbine, oriented in an axial direction and comprising a first and a second flow region. According to the invention, a first material is provided in the first flow region of the turbine shaft, and a second flow region is provided in the second flow region thereof, the first material having heat-resistant properties and the second material having cold-resistant properties. The inventive turbine shaft is produced by means of a construction weld seam without any previous buffer layer welding on one of the two materials.
|
申请公布号 |
US7331757(B2) |
申请公布日期 |
2008.02.19 |
申请号 |
US20050537237 |
申请日期 |
2005.05.31 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
JANSSEN WOLFGANG;KERN TORSTEN-ULF;KLOECKNER HEINZ |
分类号 |
F01D25/00;F01D5/02;F01D5/06;F01D5/28 |
主分类号 |
F01D25/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|