Rotor shaft of steam turbine
US4504554A · kind A · utility
10Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1982 |
| Grant date | Mar 12, 1985 |
| Priority date | — |
| Expiry date | Mar 30, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12972
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A steam turbine rotor shaft comprising the main body of the rotor shaft made of a high Cr steel of martensite structure, and a journal having a plurality of built-up welding layers formed successively said main body, the outer surface portion of the journal being made of steel containing 0.5 to 3 wt % of Cr, and a method of producing same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.