| 摘要 |
PROBLEM TO BE SOLVED: To enable abnormal sound in a vehicle compartment and the vibration of a steering to be surely suppressed with inexpensive and simple constitution, the abnormal sound and the vibration being caused by the vibration having a three-node vibration mode, of an exhaust device.SOLUTION: An engine and a main muffler 2 are connected together via a front pipe 1, a sub muffler 4 is connected to the main muffler 2 via a center pipe 3, a tail pipe 5 is connected to the sub muffler 4, the front pipe 1 in front of the main muffler 2 is supported at its almost central position on the vehicle body by a first supporting member 7, the main muffler 2 is supported at its front end on the vehicle body by a second supporting member 8, and the tail pipe 5 is supported at its rear end on the vehicle body by a third supporting member 9. The thickness of the central pipe 3 is set greater than that of the front pipe 1, and the thickness of the tail pipe 5 is set smaller than that of the front pipe 1.SELECTED DRAWING: Figure 1 |
