Compact plasma reactor
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United States of America Patent
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Sep 7, 2004
Issued Date -
N/A
app pub date -
Dec 2, 2002
filing date -
Jun 2, 2000
priority date (Note) -
Expired
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Abstract
A device for purifying an exhaust gas contains at least one first and one second component with a respective shell and core through which the exhaust flows, as well as with two front faces each. At least one of the front faces of the first component and at least one front face of the second component has a predetermined profile with elevations and depressions. The elevations of the front face of the first component extend into the depressions of the front face of the second component and vice versa, thereby configuring a penetration section. The first component is disposed electrically insulated from the second component. The components have a potential difference between them and plasma is generated in the penetration section. The compact plasma reactor reduces the pollutant concentration in the exhaust gas of an internal combustion engine operated in the lean mode, especially when combined with an oxidation catalyst.
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