Patent ID: 8387369
Filing Date: 2013-03-05
Classification: F01N,Y02A,Y02T

Abstract:
1. A vehicle comprising: an engine having an exhaust passage including a single exhaust pipe; at least a pair of front wheels aligned in a vehicle width direction; at least a pair of rear wheels aligned in the vehicle width direction; and a secondary air supply device arranged to supply secondary air to the single exhaust pipe; wherein the secondary air supply device includes a plurality of secondary air supply pipes arranged to supply the secondary air directly to the single exhaust pipe and a plurality of one-way valves which are disposed at the plurality of secondary air supply pipes, respectively; the plurality of one-way valves are spaced apart from each other in the vehicle width direction; and a portion of each of the secondary air supply pipes is made of a metal material, and none of the portions of the secondary air supply pipes which are made of the metal material overlap as seen in a front view of the vehicle.