Patent · US Active

Rotorcraft tail boom, and a rotorcraft

US11001367B2 · kind B2 · utility

0Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 2015
Grant dateMay 11, 2021
Priority date
Expiry dateNov 24, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64C27/82
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A tail boom having a structure and a protuberance, the protuberance being secure with the structure. In each section of the tail boom, the protuberance extends in elevation over an extension height (Hext) and it extends laterally over an extension thickness (EPext), the extension height (Hext) lying in the range 0.05 times the maximum thickness (EPmax) of the structure, included, to 0.5 times the maximum thickness (EPmax), included, of the section, the extension thickness (EPext) lying in the range 0 to 0.4 times the maximum thickness (EPmax), included, of the section.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.