Patent ID: 9188048
Filing Date: 2015-11-17
Classification: B60K,F01N

Abstract:
1. A muffler for an exhaust system of an internal combustion engine comprising: a muffler body defining at least one chamber; an inlet pipe having an inlet and an outlet, the outlet being inside the muffler body, the outlet of the inlet pipe fluidly communicating with the at least one chamber; a primary exhaust pipe having an inlet inside the muffler body, a main outlet outside the muffler body, and at least one auxiliary outlet defined in a side of the primary exhaust pipe between the inlet and the main outlet of the primary exhaust pipe, the inlet of the primary exhaust pipe being spaced from the outlet the inlet pipe, the inlet of the primary exhaust pipe fluidly communicating with the at least one chamber, and the inlet of the primary exhaust pipe fluidly communicates with the outlet of the inlet pipe via the at least one chamber; and an auxiliary exhaust pipe fluidly communicating the at least one auxiliary outlet with an exterior of the muffler via an outlet of the auxiliary exhaust pipe separately from the main outlet.