| 摘要 |
In preferred form, a sheet metal casing is divided by wall means into interior and exterior reaction chamber portions which receive a mixture of air and exhaust gases through a plurality of exhaust port liners connected with one portion and discharge the reaction products through outlet means connected with the other portion. A jacket surrounds the casing defining an air chamber through which fresh air is circulated, where it is preheated and acts as an insulator. Jacket outlets surrounding the inlet port liners deliver the preheated air into the inlet ports, where it mixes with the engine exhaust gases at the ends of the port liners for subsequent reaction in the reaction chamber. Air distribution means provide for proper distribution of the air throughout the jacket air chamber including circumferential movement of the air from a longitudinal distribution passage to the jacket outlets.
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