Patent ID: 7997071
Filing Date: 2011-08-16
Classification: F01N

Abstract:
1. A vehicle exhaust apparatus comprising: an exhaust conduit; an exhaust aftertreatment device configured to remove pollutants from an exhaust stream positioned within the exhaust conduit, the exhaust aftertreatment device including an upstream face and a downstream face; an inlet tube positioned at an upstream end of the exhaust conduit; a tapered inlet conduit for directing exhaust gas into the exhaust conduit, the tapered inlet conduit including a first end having a first diameter and a second end having a second diameter, the first end being connected to an end of the inlet tube, wherein the second diameter is greater than the first diameter; a flow distribution arrangement positioned upstream from the exhaust aftertreatment device for distributing flow across the upstream face of the exhaust aftertreatment device, the flow distribution arrangement including a plate having: