| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust muffler provided with a tail pipe for suppressing ripples, increasing an engine output and improving fuel consumption efficiency. <P>SOLUTION: A chamber 10 is provided in the middle of an exhaust pipe 1 for an internal combustion engine. A tail pipe 20 to be coupled to an exhaust opening end of the exhaust pipe 1 is provided. A plurality of fins 21 is arranged inside the tail pipe 20 in the spiral shape gradually widening in the direction of discharging the exhaust gas. The chamber 10 is constituted by a cover body 11 and an internal exhaust pipe 12 covered with the cover body 11. The internal exhaust pipe 12 is constituted by a diffusion exhaust pipe 13 having a large diameter and a compression exhaust pipe 14 having a small diameter. Diffusion pores 15 are opened in a part of the side surface of the internal exhaust pipe 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
