초록 ▼

A catalytic combustor is formed of a plurality of segments which are enclosed within a canister. Each segment includes a metal strip which is folded back and forth upon itself. The strip is coated with catalyst on only one side, and the strip is brazed or welded to the canister only on the uncoated

A catalytic combustor is formed of a plurality of segments which are enclosed within a canister. Each segment includes a metal strip which is folded back and forth upon itself. The strip is coated with catalyst on only one side, and the strip is brazed or welded to the canister only on the uncoated side. The segments of the combustor substantially fill the cross-section of the canister, but these segments are not physically joined to each other. The structure described above makes it possible to make the combustor relatively flat, having a length to diameter ratio of 0.25 or less. The catalytic combustor of the present invention is especially useful in a gas turbine, where space is limited, and where catalytic combustion is useful in preventing the formation of NOx.

대표청구항 ▼

[ What is claimed is:] [1.] A catalytic combustor comprising a plurality of segments, each segment of the combustor comprising a strip of metal which is folded back and forth upon itself, the strip being coated with a catalyst on only one side of the strip, the strip having an uncoated side, wherein

[ What is claimed is:] [1.] A catalytic combustor comprising a plurality of segments, each segment of the combustor comprising a strip of metal which is folded back and forth upon itself, the strip being coated with a catalyst on only one side of the strip, the strip having an uncoated side, wherein the combustor is enclosed by a canister having a generally circular cross section, wherein the canister has a length and a diameter, and wherein the ratio of the length to the diameter is less than about 0.25, and wherein the uncoated side of the strip contacts the canister at a plurality of points of contact, and wherein the strip is brazed or welded to the canister at some of said points of contact.