| 摘要 |
The exhaust outlet according to the invention comprises an upstream section (18) in the shape of a venturi, limited by convergent upstream walls (16) having an open angle and connecting, in a narrowed section (15), with divergent downstream walls (17) having a more reduced angle, and a downstream cylindrical portion (3) continuously connected to the downstream walls (17) of the upstream portion (18). The presence of the upstream portion (18) in the shape of a venturi allows a substantial reduction in exhaust noise without significantly affecting the power available from the engine. …<IMAGE>… |
