Patent ID: 7364002
Filing Date: 2008-04-29
Classification: B60K,B62D

Abstract:
1. A vehicle underbody structure comprising: a fuel tank disposed at an underside of a vehicle body; an exhaust muffler disposed alongside of the fuel tank at a vehicle width-direction side of the fuel tank at the underside of the vehicle body; plural cross members that support both the fuel tank and the exhaust muffler; a first front pipe having a front end and a rear end, a first length and a first rigidity; and a second front end pipe having a front end and a rear end, and a second length and a second rigidity; wherein the front end portions of the respective first and second front pipes are coupled to an engine, and the rear end portions of the respective first and second front pipes are coupled to front end portions of the exhaust muffler; and wherein the first length is longer than the second length, and the first rigidity is higher than the second rigidity.