Patent ID: 8281581

Claim:
An exhaust aftertreatment device comprising: a structural component receiving an internal combustion engine combustion gasses through an inlet integral with the said structural component, having a mounting surface formed about a given axis on a closed face of said structural component, said structural component having internal flow passages directing flow of said combustion gasses from said inlet toward a direction substantially parallel with said given axis and exiting said structural component at a circumferential surface; a tubular shell structurally connected to said circumferential surface; and, at least one exhaust aftertreatment device positioned in and carried by said tubular shell, wherein the exhaust aftertreatment device is substantially supported by said structural component, wherein said structural component is a casting, and wherein said casting has multiple mounting bosses for providing a structural interconnection between the exhaust aftertreatment device and the frame of a vehicle with which the exhaust aftertreatment device is utilized.