Exhaust system for engine

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...

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F01N 328

Patent

active

052398269

ABSTRACT:
An exhaust system for an engine having two groups of cylinders includes a small capacity catalytic converter disposed in an exhaust manifold for one group of cylinders and a larger capacity catalytic converter disposed in an exhaust manifold for another group of cylinders. The exhaust system also includes a primary catalytic converter, having a capacity larger than both the small and larger catalytic converters, disposed in an exhaust pipe commonly connected to the exhaust manifolds.

REFERENCES:
patent: 4653270 (1987-03-01), Takii
patent: 4887427 (1989-12-01), Shinzawa

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