Assembly for reducing the exhaust gas emissions of an internal c

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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60287, 60292, 60300, 60302, 60323, 60320, F01N 300

Patent

active

060166541

ABSTRACT:
In order to reduce the exhaust gas emissions of automotive vehicle combustion engines including exhaust gas catalytic converters, the exhaust gases are caused to flow between the engine and the catalytic converter through conduit branches of different thermal caracteristics. Said conduit branches comprise a full load tube and a partial load tube, with the full load tube surrounding the partial load tube so as to provide an annular space between the full load tube and the partial load tube.

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patent: 5345762 (1994-09-01), Lutze
patent: 5582003 (1996-12-01), Patil et al.
patent: 5634332 (1997-06-01), Tanaka et al.

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