FUNCTIONALLY GRADED COMPOSITE FAN CONTAINMENT CASE
First Claim
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1. A fan containment case for a gas turbine engine comprising:
- a first inner layer;
a second layer outside the first inner layer, wherein the second layer is made of a first material having a first fabric architecture;
a third layer outside of the second layer, wherein the third layer is made of a second material having a second fabric architecture, wherein at least one of the first material and the first fabric architecture of the second layer is different from the second material and the second architecture, respectively, of the third layer; and
a fourth outer layer outside of the third layer.
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Abstract
A fan containment case for a gas turbine engine includes a first inner layer and a second layer outside the first inner layer, where the second layer is made of a first material having a first fabric architecture. The fan containment case also includes a third layer outside of the second layer, where the third layer is made of a second material having a second fabric architecture, and at least one of the first material and the first fabric architecture of the second layer is different from the second material and the second architecture, respectively, of the third layer. A fourth outer layer is located outside of the third layer.
13 Citations
20 Claims
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1. A fan containment case for a gas turbine engine comprising:
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a first inner layer; a second layer outside the first inner layer, wherein the second layer is made of a first material having a first fabric architecture; a third layer outside of the second layer, wherein the third layer is made of a second material having a second fabric architecture, wherein at least one of the first material and the first fabric architecture of the second layer is different from the second material and the second architecture, respectively, of the third layer; and a fourth outer layer outside of the third layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A fan containment case for a gas turbine engine comprising:
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a first inner layer of an aramid fiber; a second layer outside the first inner layer, wherein the second layer is made of a hybrid carbon-fiberglass having a first fabric architecture; a third layer outside of the second layer, wherein the third layer is made of carbon and has second fabric architecture, and the first fabric architecture is different from the second architecture; and a fourth outer layer outside of the third layer, wherein the fourth outer layer is made of carbon. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification