Fan containment case for a gas turbine engine
First Claim
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1. A fan containment case for a gas turbine engine comprising:
- a barrel comprising;
a first band of material on an outside of the barrel, wherein the first band is made of carbon fiber composite;
second through sixth bands of material inboard of the first band, wherein each of the second through sixth bands is made of poly p-phenylene-2,6-benzobisoxazole (PBO) composite;
seventh through tenth bands, wherein each of the seventh through tenth bands is made of carbon fiber composite and the seventh band separates the second and third bands, the eight band separates the third and fourth bands, the ninth band separates the fourth and fifth bands, and the tenth band separates the fifth and sixth bands; and
an eleventh band of material inboard of the tenth band, wherein the eleventh band is made of carbon fiber composite.
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Abstract
According to one aspect, a fan containment case for a gas turbine engine is provided which includes a barrel having a first band of material on an outside of the barrel. The first band is made of carbon fiber composite. The barrel further includes a second band of material inboard of the fan case and made of poly p-phenylene-2,6-benzobisoxazole (PBO) composite. The barrel also includes a third band of material made of carbon fiber composite inboard of the second band.
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Citations
20 Claims
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1. A fan containment case for a gas turbine engine comprising:
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a barrel comprising; a first band of material on an outside of the barrel, wherein the first band is made of carbon fiber composite; second through sixth bands of material inboard of the first band, wherein each of the second through sixth bands is made of poly p-phenylene-2,6-benzobisoxazole (PBO) composite; seventh through tenth bands, wherein each of the seventh through tenth bands is made of carbon fiber composite and the seventh band separates the second and third bands, the eight band separates the third and fourth bands, the ninth band separates the fourth and fifth bands, and the tenth band separates the fifth and sixth bands; and an eleventh band of material inboard of the tenth band, wherein the eleventh band is made of carbon fiber composite. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A gas turbine engine, comprising:
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a fan containment case including a barrel comprising; a first band of material on an outside of the barrel, wherein the first band is made of carbon fiber composite; second through sixth bands of material inboard of the first band, wherein each of the second through sixth bands is made of poly p-phenylene-2,6-benzobisoxazole (PBO); seventh through tenth bands, wherein each of the seventh through tenth bands is made of carbon fiber composite and the seventh band separates the second and third bands, the eight bands separates the third and fourth bands, the ninth band separates the fourth and fifth bands, and the tenth band separates the fifth and sixth bands; and an eleventh band of material inboard of the tenth band, wherein the eleventh-band is made of carbon fiber composite. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification