| 摘要 |
A gas flow director for exhausting gases from chambers, and useful in the operation of operation of gas turbines, jet engines and rockets, as well as vacuum pumps and gas compressors. The gas flow director includes 1) an outer truncated cone including a closed larger end wall, a generally open smaller end comprising a gas outlet, and a solid truncated wall, 2) a gas inlet generally centrally located in the larger end, and 3) an inner truncated cone disposed within the outer truncated cone and corresponding generally in shape to the outer truncated cone, and including end and side walls generally parallel to the end and side walls, respectively, of the outer truncated cone to define a space therebetween. The end and side walls of the inner truncated cone are perforated to permit gas flow therethrough. The gas flow director also includes 4) a plurality of secondary gas inlets disposed in the side wall of the outer truncated cone, adjacent the end wall, or in the larger end wall adjacent the side wall.
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