Method and arrangement for desulfurization of NOx reservoir cata

Details Method and arrangement for desulfurization of NOx reservoir cata Method and arrangement for desulfurization of NOx reservoir cata

1998-07-20

2000-12-26

Chapman, Jeanette

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

60274, 60285, 60286, 60295, 60301, 60278, F01N 300, F01N 700

Patent

active

061640646

ABSTRACT:
By measuring the exhaust gas temperature with temperature sensors located immediately before and after an NOx reservoir in the exhaust gas line of an internal combustion engine, and by suitable control of rich-lean operation, an NOx reservoir catalyst can be heated above the desulfurization temperature. Immediately after desulfurization normal operation is restored in the case of a Diesel engine, whereas, in the case of an Otto engine, .lambda.=1 operation is carried out briefly before returning to normal rich-lean operation.

REFERENCES:
patent: 5201802 (1993-04-01), Hirota et al.
patent: 5402641 (1995-04-01), Katoh et al.
patent: 5423181 (1995-06-01), Katoh et al.
patent: 5473890 (1995-12-01), Takeshima et al.
patent: 5655363 (1997-08-01), Ito et al.
patent: 5657625 (1997-08-01), Koga et al.
patent: 5724808 (1998-03-01), Ito et al.
patent: 5727385 (1998-03-01), Hepburn

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