| US 7,517,184 B2 | ||
| Low deflection fan case cotainment fabric | ||
| Mark W. Costa, Storrs, Conn. (US); Jan B. Kowza, Coventry, Conn. (US); Curt R. Hetherington, Newington, Conn. (US); Wendy P. Lopardi, Tolland, Conn. (US); and Douglas Welch, Portland, Conn. (US) | ||
| Assigned to Unied Technologies Corporation, Hartford, Conn. (US) | ||
| Filed on Jun. 01, 2006, as Appl. No. 11/444,562. | ||
| Prior Publication US 2007/0280817 A1, Dec. 06, 2007 | ||
| Int. Cl. F01D 25/24 (2006.01) | ||
| U.S. Cl. 415—1 [415/9; 415/200] | 12 Claims |
| 1. A turbine engine fan casing for containing a separated blade fragment, comprising:
a support case having an axially extending impact zone;
a substantially structurally continuous penetrable covering circumscribing the impact zone; and
a containment covering circumscribing the penetrable covering, the containment covering comprising:
a textile fabric containing threads in a warp direction and a fill direction, wherein the threads in the warp direction are
of a different denier than the threads in the fill direction, wherein the threads in the warp direction are at least fifty
percent larger in diameter than the thread in the fill direction, and wherein the containment covering fabric is positioned
so that the warp yarns extend circumferentially around the fan case.
|