Patent ID: 7926264
Filing Date: 2011-04-19
Classification: F01N,Y02A

Abstract:
1. An exhaust system for a vehicle having a structure in which a V-engine with a second bank offset backward with respect to a first bank in a longitudinal direction of the vehicle is mounted in an engine compartment provided in front of a dash panel; a first catalytic converter is connected to a rear portion of a first exhaust manifold connected to the first bank so that a center line thereof extends to a lower portion of the vehicle; a second catalytic converter connected to a rear portion of a second exhaust manifold connected to the second bank so that a center line thereof extends to a lower portion of the vehicle; and a convergence section, in which a first exhaust pipe connected to an exit portion of the first catalytic converter and a second exhaust pipe connected to an exit portion of the second catalytic converter are converged therein, is provided under a floor at the back of the dash panel and also at a side closer to the second bank in a lateral direction of the vehicle, wherein an entrance portion of the first catalytic converter is positioned in front of an entrance portion of the second catalytic converter in the longitudinal direction of the vehicle; and an angle of inclination of the center line of the first catalytic converter to a front side of the vehicle is greater than that of a center line of the second catalytic converter to a front side of the vehicle.