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Composite Aircraft Structures With Hat Stiffeners

  • US 20080111024A1
  • Filed: 11/10/2006
  • Published: 05/15/2008
  • Est. Priority Date: 11/10/2006
  • Status: Active Grant
First Claim
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1. A composite panel structure for an aircraft, comprising:

  • a plurality of annular frames disposed coaxially along a long axis of the aircraft in a spaced, parallel relationship, each frame having a hat shaped cross section;

    an inner skin having an inner surface bonded to an outer surface of the hat frames;

    a plurality of elongated stringers disposed in a longitudinal direction along an outer surface of the inner skin in a spaced, parallel relationship, each stringer having a hat shaped cross section;

    an offset bonded to an outer surface of each of the stringers; and

    ,an outer skin having an inner surface bonded to an upper surface of each of the offsets.

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