Flexbeam unit for a bearingless or a hinge and bearingless multi-blade rotor of a rotary wing aircraft
US10065733B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 13, 2015 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Jul 7, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/48
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A flexbeam unit comprising a plurality of flexbeam elements, each defining a load passing member that is attachable to a rotor hub associated with a rotor shaft of the multi-blade rotor, the plurality of flexbeam elements defining a predetermined number of torsion elements that are connectable with associated rotor blades of the multi-blade rotor, wherein at least one of the predetermined number of torsion elements comprises at least one first flexbeam element defining a first longitudinal direction and at least one second flexbeam element defining a second longitudinal direction, wherein the at least one first and second flexbeam elements are interconnected by a beam connector in a direction transverse to the first and/or second longitudinal directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.