Patent ID: 6978618

Claim:
A bulkhead panel for use in a combustion chamber of a gas turbine engine, said bulkhead panel comprising: a first side and a second side; a plurality of panel holes extending from said first side to said second side through which cooling air flows; said first side and said second side being substantially planar from an outer edge to an inner edge; a circumferential rail on said first side dividing said first side into a first cavity region radially inward of said circumferential rail and a second cavity region radially outward of said first cavity region, said first cavity region containing a plurality of panel holes arrayed in a circular configuration and said second cavity region containing a plurality of said panel holes with at least one row of holes being circular and arranged concentric to said circular arrayed holes in said first cavity region; and said second cavity region being an unbroken space defined by an inner rail, an outer rail, two side rails, and said circumferential rail.