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US 6,129,311 AGranted
Engine nacelle outer cowl panel with integral track fairings
AssigneeThe Boeing Company
InventorsJohn M. Welch, William E. Benton, Michael R. Lobsinger
Life of this patent
Estimating the term…
Abstract
An outer cowl panel (24) for an engine nacelle (20). The outer cowl panel (24) includes integral track fairings (30) at aft side edges of the outer cowl panel. The outer cowl panel (24) also includes a chamfered leading edge having outer face sheets (88A, 88B) that extend over the leading edges of a stepped stack of prepreg sheets (88C, 88D, 88E, 88F).
Claims11
A composite outer cowl panel for an engine nacelle, comprising:
- a composite inner face sheet defining a trailing edge;
- a central core extending over the composite inner face sheet and having an outer surface opposite the composite inner face sheet;
- a composite outer face sheet extending over the outer surface of the core and defining a trailing edge and an outer surface opposite the core;
- and
- an integral track fairing for extending around tracks for translating the outer cowl panel, the integral track fairing formed out of the trailing edges of the composite inner face sheet and the composite outer face sheet, the integral track fairing comprising a composite core sandwiched between the composite inner face sheet and the composite outer face sheet.
2 more elements
An outer cowl panel for a nacelle engine comprising:
- a carbon fiber reinforced laminate having a leading edge defined by stacking of a plurality of plies to form the laminate;
- and
- a facing ply with fiberglass reinforcement covering the leading edge to provide erosion protection.
Dependencies are inferred from the claim text.