Patent · US Active

Rotorcraft rotor blade assembly

US10822954B2 · kind B2 · utility

0Cited by

32References

23Claims

0Family size

Assignee

Bell Helicopter Textron Inc. · US

Inventors

Paul K. Oldroyd · Azle, US
Drew Sutton · Watauga, US
Andrew Maresh · Lewisville, US
Christopher Edward Foskey · Keller, US

Key dates

Filing date	Oct 25, 2018
Grant date	Nov 3, 2020
Priority date	—
Expiry date	Mar 8, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C27/473
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A rotorcraft rotor blade assembly includes a stub spar extending less than a full span of the rotor blade assembly. An upper skin portion extends substantially the full span of the rotor blade assembly. A lower skin portion extends substantially the full span of the rotor blade assembly. The stub spar is positioned between the upper skin portion and the lower skin portion.

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