Turbine blades having alternating resonant frequencies
US4878810A · kind A · utility
45Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1988 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | May 20, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S416/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Within a rotor blade row of a steam turbine, rotor blades having one resonant frequency alternate with rotor blades having a second, different resonant frequency. The two different resonant frequencies are achieved by profiling the tips of every other rotor blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.