<p>A helicopter rotor blade includes a structural composite skin defining a cavity therein; a composite spar disposed within the cavity and adhesively bonded to the skin, a portion of the spar exhibiting a C-shape in cross section; and a foam core disposed within the cavity and adhesively bonded to the skin. The structural composite skin forms an external, closed box structure configured to transmit mechanical loads encountered by the rotor blade.</p>
申请公布号
WO2009078871(A1)
申请公布日期
2009.06.25
申请号
WO2007US87931
申请日期
2007.12.18
申请人
BELL HELICOPTER TEXTRON INC.;MARHSALL, BRYAN;SHERRIL, PAUL;BASKIN, BRYAN, K.;HIROS, TRICIA;OLDROYD, PAUL, K.
发明人
MARHSALL, BRYAN;SHERRIL, PAUL;BASKIN, BRYAN, K.;HIROS, TRICIA;OLDROYD, PAUL, K.