Patent ID: 9004225
Filing Date: 2015-04-14
Classification: F01N

Abstract:
1. A silencing apparatus for a vehicle, the apparatus comprising: a muffler having a flattened cross-sectional shape with a height and a width, the width being greater than the height, the width being measured from a first side end of the muffler to a second side end of the muffler opposite the first side end of the muffler; an inlet pipe, through which exhaust is introduced into the muffler; an outlet pipe, through which exhaust is discharged from the muffler; a partition plate, which partitions an interior of the muffler to form a plurality of expansion chambers; and a communication hole, which extends through the partition plate, wherein an entirety of (1) an opening of the inlet pipe, (2) an opening of the outlet pipe, and (3) the communication hole lie between a first position separated from the first side end in a width direction of the muffler by ¼ of the width and a second position separated from the first side end in the width direction by ½ of the width.