| 摘要 |
A system for reducing the emission of pollutants in the exhaust gas from an internal combustion engine characterized by an engine driven air pump which delivers air under pressure to an exhaust manifold, and an afterburner disposed downstream from a muffler which is provided with spark plugs energized by a vibrating type high voltage coil which provides continuous sparking across the spark plug gaps. The afterburner is constructed to prevent back pressure in the exhaust system and the spark plugs are disposed at points of high turbulence in the exhaust gas to promote substantially continuous ignition of combustibles with the added air.
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