Balanced blade vibration damper
US4568247A · kind A · utility
17Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1984 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Mar 29, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S416/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A blade vibration damper for a rotor assembly of an axial flow machine seats simultaneously on a radially inwardly facing surface of a blade platform and the radially inwardly facing surface of an adjacent element, such as the platform of a circumferentially adjacent blade. The damper has its mass center of gravity nearer one contact area than the other so as to reduce the normal load on the blade platform generated by centrifugal force. By properly locating the center of gravity of the damper, the size of the normal force can be optimized to maximize damping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.