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Case with ballistic liner

  • US 8,827,629 B2
  • Filed: 02/10/2011
  • Issued: 09/09/2014
  • Est. Priority Date: 02/10/2011
  • Status: Active Grant
First Claim
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1. A case for a gas turbine engine comprising:

  • an outer case defined about an engine axis, wherein said outer case is manufactured of a composite material;

    a hard ballistic liner defined about the engine axis, the hard ballistic liner within said outer case;

    an inner structure including a honeycomb layer extending along a radially innermost side of said case, wherein said honeycomb layer forms a boundary of a fan flow path and is axially spaced downstream of a trailing edge of a fan blade; and

    wherein a trailing edge of said hard ballistic liner is located axially upstream of a leading edge of said honeycomb layer.

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