Patent ID: 9010098
Filing Date: 2015-04-21
Classification: F01N

Abstract:
1. An after-treatment device, comprising: a center plenum configured to be fluidly connected to an engine; a first filter bank having a plurality of filter assemblies, each filter assembly including: a second filter bank fluidly connected to the center plenum, the second filter bank being oriented orthogonal to the center plenum; a first exhaust plenum fluidly connected to the outlet, the exhaust plenum being oriented orthogonal to the outlet and having an outer wall disposed parallel to and located at a predetermined distance from the outlet; and a second exhaust plenum fluidly connected to the second filter bank, the second exhaust plenum being oriented orthogonal to the second filter bank, wherein the center plenum, the first and second filter banks, and the first and second exhaust plenums are disposed such that the after-treatment device has a generally V-shaped cross-section.