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Tile and exo-skeleton tile structure

  • US 7,942,004 B2
  • Filed: 11/30/2005
  • Issued: 05/17/2011
  • Est. Priority Date: 11/30/2004
  • Status: Active Grant
First Claim
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1. A combustion liner tile for securement to an underlying generally annular combustion liner shell, the tile comprising:

  • a generally part-annular tile body having an outer surface facing away from the liner shell and first and second circumferentially opposed edges, the first edge having a first radius;

    an edge strip at the second edge of the tile body, the edge strip having a second radius different from the first radius, the edge strip of the tile being operative for overlapping a first edge of an adjacent tile to form a generally continuous annular surface between adjacent tiles during circumferential thermal expansion and contraction in use;

    at least one external main rib fastened to, and extending circumferentially across and substantially normally away from, the outer surface of the tile body, the at least one external main rib having a projecting end region that projects beyond one of the edges of the tile body, and a socket end region that is circumferentially spaced away from the other of the edges of the tile body, the socket end region of the at least one external main rib of the tile being operative for receiving a projecting end region of an external main rib of the adjacent tile in circumferential sliding engagement to resist relative circumferential bending of the adjacent tiles about their overlapping edges; and

    wherein the socket end region includes an external short rib fastened to the outer surface of the tile body, the short rib having a length shorter than the at least one main external rib and extending parallel thereto, and a top cover bridging the short rib and the at least one main external rib.

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