Hollow fan blade constrained layer damper
US10557353B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2017 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Apr 21, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan blade having a damping system is provided. The fan blade comprising: a fan blade body having one or more compartments within the fan blade body; a damping material located within at least one of the one or more compartments; one or more partial ribs originating at the fan blade body and extending into at least one of the one or more compartments, wherein each of the one or more partial ribs terminate at a distal end; and one or more damping plates, wherein each of the one or more damping plates are attached to a distal end of a partial rib, wherein the damping material is located between the damping plate and the fan blade body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.