| 摘要 |
The invention concerns a system (10) for collecting and purifying exhaust gas, comprising; - an exhaust manifold (11) mounted downstream of an internal combustion engine; and - a catalytic converter (12); characterized in that the manifold comprises a substantially hemispherical gas outlet (15) on the periphery of a circular opening, and in that the catalytic converter (12) comprises a substantially hemispherical inlet (26) adapted to the hemispherical outlet of the manifold (11), the manifold and the catalytic converter being produced by the assembly of half-shells obtained by swaging. |
