Patent · US Active

Tip end joint arrangement for a rotor blade with reconfigurable attributes for structural and aerodynamic tuning

US12214872B2 · kind B2 · utility

0Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 2023
Grant dateFeb 4, 2025
Priority date
Expiry dateApr 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.