Patent ID: 7530221

Claim:
An internal combustion engine, comprising: a first set of combustion cylinders and a second set of combustion cylinders; a turbocharger including a turbine; a first particulate filter including a bottom inlet in communication with said first set of combustion cylinders, a top outlet in communication with said turbine, and a generally vertically upward flow path through said first particulate filter inlet; a second particulate filter including a bottom inlet in communication with said second set of combustion cylinders, a top outlet in communication with said turbine, and a generally vertically upward flow path through said second particulate filter inlet; and an ash accumulation receptacle positioned generally below each of said first particulate filter inlet and said second particulate filter inlet, said ash accumulation receptacle being positioned between said first and second sets of combustion cylinders and between the inlets to said first and second particulate filters, said first particulate filter inlet and said second particulate filter inlet being each oriented at an acute angle relative to said generally vertically upwards flow path.