Case with ballistic liner

摘要

A fan case for a gas turbine engine includes an outer case defined about an engine axis and a hard ballistic liner defined about the engine axis, the hard ballistic liner within the outer case.

主权项

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.