Computer device to control operation during catalyst...

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

Other Related Categories

C060S274000, C060S277000, C060S295000, C060S300000

Type

Reexamination Certificate

Status

active

Patent number

10726745

Description

ABSTRACT:
A system is described for improving engine and vehicle performance by considering the effects of exhaust conditions on catalyst particle growth. Specifically, engine operation is adjusted to reduce operating in such conditions, and a diagnostic routine is described for determining the effects of any operation that can cause such particle growth. Further, routines are described for controlling various vehicle conditions, such as deceleration fuel shut-off, to reduce effects of the particle growth on emission performance.

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patent: 6843052 (2005-01-01), Hertzberg et al.
patent: 6941748 (2005-09-01), Pott et al.

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