Flexbeam unit for a bearingless or a hinge and bearingless multi-blade rotor of a rotary wing aircraft

摘要

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.