Patent ID: 9719384
Date: 2017-08-01
CPC Classifications: F01N,G10K

Claim:
1. An exhaust system comprising: a muffler body configured wherein a first expansion chamber and a second expansion chamber are separated from each other with at least a partition therebetween, and a plurality of exhaust pipes extending from an internal combustion engine are connected to the first expansion chamber; a communication pipe operatively connected to the first expansion chamber and the second expansion chamber, to merge exhaust gas from the plurality of exhaust pipes, and to introduce the merged exhaust gas into the second expansion chamber; and a partition plate arranged inside of the first expansion chamber, for partitioning the first expansion chamber with respect to each of the exhaust pipes in order to partition each individual space, and having an end surface opposed to an inflow port of the communication pipe, wherein the partition plate is arranged in a position extending substantially in parallel to an axial center of the communication pipe and bifurcating the inflow port of the communication pipe.