Patent ID: 8439629

Claim:
A turbine engine blade outer air seal segment comprising: a body having: a base portion having: a transversely concave ID face; a forward end; an aft end; and first and second circumferential edges; and at least one mounting hook; and at least one cover plate secured to the body to define at least one cavity and having a plurality of feed holes, a plurality of outlet holes extending through the base portion to the ID face, wherein: at least one of the base portion and cover plate comprises a protruding portion protruding into the cavity to form a partial restriction separating forward and aft portions, the feed holes being along at least one of the forward and aft portions, the protruding portion forms said partial restriction to a characteristic gap height (H 2 ) less than a second characteristic height (H 1 ), said second characteristic height being of a majority portion of the cavity.