Patent ID: 7987666
Filing Date: 2011-08-02
Classification: F01N,Y02T

Abstract:
1. A temperature control apparatus for filtered exhaust from a diesel particulate filter in a vehicle, comprising: an exhaust diffuser; inlets in the exhaust diffuser; a duct having a top, a bottom, opposite first and second lateral walls between the top and bottom, a closed end, and an opposite vented end; a head section in the duct surrounding the exhaust diffuser and including the closed end; a base section in the duct having a vent and extending from the head section away from the exhaust diffuser to the vented end, wherein the distance between the top and the bottom of the base section is constant, and the distance between the top and the bottom of the head section increases from the base section to a maximum distance at the exhaust diffuser; a first opening in the first lateral wall; and a second opening in the second lateral wall.