Patent ID: 9664053
Date: 2017-05-30
CPC Classifications: B32B,C04B,D03D,F01D,F05D

Claim:
1. A ceramic matrix composite (CMC) structure formed from an integral 3-D preform of reinforcing fibers, comprising: a top wall made from an angle-interlock weave; and a bottom wall made from an angle-interlock weave, each of said walls comprising warp and weft fiber tows; said top and bottom walls merged on a first side parallel to the warp fiber tows into a single wall along a portion of their widths, said weft fiber tows making up said single wall interlocked through the thickness of said single wall such that delamination of said single wall is inhibited, said warp and weft fiber tows being radial and circumferential fiber tows, respectively; wherein said top and bottom walls are joined along a second side opposite said first side and parallel to the radial fiber tows by a continuously curved section in which the weave structure remains continuous with the weave structure in the top and bottom walls.