Secondary combustion for regeneration of catalyst and...

Details Secondary combustion for regeneration of catalyst and... Secondary combustion for regeneration of catalyst and...

2005-05-24

2005-05-24

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Having auxiliary device mechanically driven by exhaust gas

C060S286000, C060S295000, C060S303000, C060S606000, C060S607000

Reexamination Certificate

active

06895745

ABSTRACT:
A system and device for providing secondary combustion for regeneration of catalyst in a catalytic converter (24) and/or for regeneration of a particulate trap (21) is provided. The secondary combustion takes place in the exducer chamber (13) of a turbine of a turbocharger (2), and generates heat for bringing a catalyst up to peak oxidation or reduction temperature, for regeneration of a catalyst, and incineration of particulates in a trap. The system takes advantage of heat and turbulence in the exducer chamber for promoting fuel/air mixture and for simplifying the amount of parts needed to incorporate a secondary combustion means into a turbocharger equipped primary combustion system (1).

REFERENCES:
patent: 4004414 (1977-01-01), Melchior et al.
patent: 4018053 (1977-04-01), Rudert et al.
patent: 4185459 (1980-01-01), Holste
patent: 4449370 (1984-05-01), Ream
patent: 6672050 (2004-01-01), Murata et al.
patent: 003826600 (1990-02-01), None

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