Power plants – Internal combustion engine with treatment or handling of... – Methods
Patent
1992-07-21
1994-02-15
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Methods
60300, 60301, 422171, 422174, 4232137, F01N 328
Patent
active
052856402
ABSTRACT:
A method for treating engine emissions and a device for treating engine emissions and dampening engine noise are provided. The invention provides for multiple zones of reaction so as to treat reducible emission components by providing a low oxygen, relatively cool reducing zone and also to treat oxidizable emission components by providing a relatively high oxygen, hotter oxidizing zone. A feature of the invention includes a heating means situated adjacent to or embedded into an oxidizing catalyst or an oxidation zone of a three-way catalyst.
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"Hot Cat" by David Scott, Popular Science, Apr. 1992, pp. 39-40.
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