Tail-rotor vibration dampener system
US12129021B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 6, 2022 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Dec 24, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/8616
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tail-rotor vibration dampener system for an aircraft is provided. The system includes a fuselage and an open rotor assembly including a powerplant and a set of rotor blades. The system further includes at least one actuator unit connecting the open rotor assembly to the fuselage. The actuator unit includes a hydraulic actuator controlling a position of the open rotor assembly in relation to the fuselage and a dampening device operable to cancel a vibration emanating from the open rotor assembly. The system further includes a computerized vibration dampening controller, including programming to determine a frequency of the vibration emanating from the open rotor assembly and control the dampening device to cancel the vibration emanating from the open rotor assembly based upon the frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.