Exhaust after-treatment system for automotive vehicle

Details Exhaust after-treatment system for automotive vehicle Exhaust after-treatment system for automotive vehicle

1998-03-16

1999-11-09

Denion, Thomas E.

Power plants

Internal combustion engine with treatment or handling of...

Methods

60323, 60324, 60272, F01N 300

Patent

active

059791594

ABSTRACT:
An exhaust after-treatment system for treating an exhaust stream from an internal combustion engine of an automotive vehicle includes first and second exhaust treatment devices in a parallel path, continuous flow, flow rate sensitive exhaust temperature modification circuit for conducting exhaust gases from the first treatment device to the second exhaust treatment device.

REFERENCES:
patent: 3470690 (1969-10-01), Thompson
patent: 4031700 (1977-06-01), Yamazaki et al.
patent: 4662173 (1987-05-01), Wilkinson
patent: 5072583 (1991-12-01), Urushihara et al.
patent: 5248859 (1993-09-01), Borla
patent: 5365735 (1994-11-01), Weber et al.
patent: 5396764 (1995-03-01), Rao et al.
patent: 5406790 (1995-04-01), Hirota et al.

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