Tip end joint arrangement for a rotor blade with reconfigurable attributes for structural and aerodynamic tuning
US12214872B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2023 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Apr 7, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/473
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rotor blade configured to be installed on a rotary-wing aircraft includes a main blade body including an inboard end configured to be coupled to a rotor blade hub and an outboard end. The rotor blade includes a blade tip removably coupled to the outboard end of the main blade body, the blade tip including an inner cavity. The rotor blade further includes a tip block including an inboard portion coupled to the outboard end of the main blade body and a cantilevered portion extending beyond the outboard end of the rotor blade and into the inner cavity of the blade tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.