Research/Patents/US 5346367
US 5346367

ADVANCED COMPOSITE ROTOR BLADE

Assignee

UNITED TECHNOLOGIES CORPORATION, HARTFORD, CT, A CORP OF DE

Filed

Sep 2, 1986

Granted

Sep 13, 1994

Location

MILFORD CT US

Abstract

An advanced composite blade construction for a helicopter rotor blade using for the most part fiber reinforced plastic materials in which the major assembly of blade elements is a single step co-cure operation and in which an integral spar/skin carries centrifugal, flapwise and chordwise loads and also incorporates redundant means to carry torsional loads and a honeycomb core carries shear and aerodynamic pressures loads.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 15, 1987

Rescinded

Mar 4, 1994

Duration

6 years, 9 months

Inventor

  • 1LEONARD J. DOOLIN

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records