| 摘要 |
<p>A catalytic converter comprises a flow path for directing exhaust gas 10 through the catalytic converter medium 2, a cavity for housing the catalytic converter medium, and a cooling apparatus for cooling at least a part of an inner surface 28 of the cavity. A gap 26 is formed between the inner surface 28 of the cavity and an outer surface 32 of the catalytic converter medium, with the gap 26 extending around a major portion of the outer surface 32 of the catalytic converter medium.</p> |
