Invention Grant
- Patent Title: Functionally graded composite fan containment case
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Application No.: US15075245Application Date: 2016-03-21
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Publication No.: US10443617B2Publication Date: 2019-10-15
- Inventor: Peter Finnigan , Sreenivasa R. Voleti , Larry Foster , Darin S. Lussier , Gulperi Aksel
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: US CT Hartford
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Hartford
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: B32B1/08
- IPC: B32B1/08 ; F04D29/52 ; F01D21/04 ; B29C70/24

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.
Public/Granted literature
- US20160281738A1 FUNCTIONALLY GRADED COMPOSITE FAN CONTAINMENT CASE Public/Granted day:2016-09-29
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