Engine control for a vehicle equipped with an emission...

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...

Reexamination Certificate

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Details

C060S274000, C060S285000, C060S301000

Reexamination Certificate

active

06915630

ABSTRACT:
A method is described for operating an engine coupled to an emission control device that stores and reacts oxidants such as NOx. The method transitions from lean to stoichiometric or rich operation under various conditions. For example, a periodic transition is performed with an amount of NOxstored in the device reaches a threshold, or when a tip-in from idle conditions has been identified.

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patent: 6349700 (2002-02-01), Buckland et al.
patent: 6502388 (2003-01-01), Takaku et al.
patent: 6694724 (2004-02-01), Tanaka et al.
patent: 6698188 (2004-03-01), Irisawa et al.
patent: 0598917 (1999-09-01), None
patent: 1480682 (1975-07-01), None

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