Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate
2006-05-30
2006-05-30
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...
C060S295000, C060S297000
Reexamination Certificate
active
07051519
ABSTRACT:
The amount of accumulated particulate matter, which is accumulated in a particulate filter, is computed based on the amount of exhausted particulate matter, which is exhausted from an engine, and the amount of reduced particulate matter, which is reduced in the filter. The amount of reduced particulate matter includes the amount of reduced particulate matter, which is reduced through oxidizing reaction of the accumulated particulate matter with NO2. At the time of computing this amount, reduction of the particulate matter through oxidizing reaction with adsorbed NO2, which is adsorbed by the accumulated particulate matter, is concerned in addition to reduction of the particulate matter through oxidizing reaction with NO2, which is present in the surrounding atmosphere around the accumulated particulate matter.
REFERENCES:
patent: 4902487 (1990-02-01), Cooper et al.
patent: 2001/0010151 (2001-08-01), Russell
patent: 2005/0022520 (2005-02-01), Shirakawa et al.
patent: 2001-280118 (2001-10-01), None
Kuboshima Tsukasa
Nakamura Kanehito
Saito Makoto
Tochikawa Kazuharu
Yahata Shigeto
Denion Thomas
Denso Corporation
Nagy Marc I.
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