公开(公告)号：EP1971521A2

公开(公告)日：2008-09-24

申请号：EP06849210.7

申请日：2006-01-13

Applicant: Bell Helicopter Textron Inc.

Inventor： STAMPS, Frank, B. ,  RAUBER, Richard, E. ,  CAMPBELL, Thomas, C. ,  BRASWELL, James, L., Jr. ,  POPELKA, David, A. ,  STANNEY, Keith ,  SOUTHERLAND, Michael, J. ,  TISDALE, Patrick, R. ,  WASIKOWSKI, Mark

IPC: B64C27/32

CPC classification number: B64C29/0033 ,  B64C27/32 ,  B64C27/82

Abstract: A rotor-hub for a rotary-wing aircraft is disclosed. The rotor-hub comprises a yoke comprising a plurality of yoke arms and a plurality of yoke straps, wherein the yoke arms are joined together by the yoke straps, and wherein a plurality of inner walls of the yoke define a central void space. A pitch horn is movably connected to the yoke and a portion of the pitch horn is located within the central void space. A connecting shell is fixedly attached to the yoke.