Patent · US Active

Rotor with blades including outer blade shell and inner structural member

US9169011B2 · kind B2 · utility

4Cited by

27References

21Claims

0Family size

Assignee

SIKORSKY AIRCRAFT CORPORATION · US

Inventors

David H. Hunter · Cheshire, US
Ryan Thomas Casey · San Diego, US
Francis E. Byrnes · White Plains, US

Key dates

Filing date	Sep 13, 2011
Grant date	Oct 27, 2015
Priority date	—
Expiry date	Aug 15, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C27/58
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A rotor for use in an aircraft includes an inner hub; and a plurality of blades arranged around the inner hub, each of the plurality of blades comprising an inner structural member; an outer blade shell surrounding the inner structural member; and a centering block located at a base of the inner structural member proximal to the inner hub, wherein the centering block is located between a first lateral portion of the inner structural member and a second lateral portion of the inner structural member, wherein the centering block is further connected to the outer blade shell, and wherein the centering block allows the outer blade shell to rotate about an axis approximately corresponding to the inner structural member.

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