Patent ID: 8146708
Filing Date: 2012-04-03
Classification: F01N

Abstract:
1. A muffler integrated with a catalytic converter bed comprising a polymeric muffler body , an inlet pipe in flow communication with engine exhaust, said inlet pipe connected to a first body mounting adapter so as to hold the inlet pipe a heat insulating distance from said polymeric muffler body, said inlet pipe in flow communication with an inlet of said catalytic converter bed, and a perforated exhaust pipe in flow communication with an outlet of the catalytic converter bed, said perforated exhaust pipe mounted on a second body mounting adapter so as to hold the perforated exhaust pipe a heat insulating distance from the polymeric muffler body; said inlet pipe and said perforated exhaust pipe holding said catalytic converter bed a heat insulating distance from the polymeric muffler body, said first body mounting adapter, polymeric muffler body, and second body mounting adapter forming a sealed internal chamber to provide an insulating and noise abatement space.