Exhaust gas system and method of directing a flow of exhaust...

Details Exhaust gas system and method of directing a flow of exhaust... Exhaust gas system and method of directing a flow of exhaust...

2007-02-06

2007-02-06

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S286000, C060S287000, C060S300000, C060S303000

Reexamination Certificate

active

10951412

ABSTRACT:
An exhaust gas system of a vehicular internal combustion engine comprises a plurality of exhaust gas catalytic converters having different working temperature ranges. Depending on the temperature of the exhaust gas the latter is directed to the one or those converters into whose working temperature range the exhaust gas temperature falls.

REFERENCES:
patent: 4817385 (1989-04-01), Kumagai
patent: 5250268 (1993-10-01), Geiger
patent: 5517820 (1996-05-01), Kuroda et al.
patent: 5746042 (1998-05-01), Lombardi
patent: 5746052 (1998-05-01), Kinugasa et al.
patent: 5987885 (1999-11-01), Kizer et al.
patent: 6871489 (2005-03-01), Tumati et al.

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