Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate
2006-05-16
2006-05-16
Nguyen, Tu M. (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
C060S274000, C060S285000, C060S286000, C060S297000
Reexamination Certificate
active
07043903
ABSTRACT:
An exhaust gas purification system (1) including a continuous regeneration-type DPF (13) and a DPF control (30c) is composed to perform an exhaust gas temperature raising control by multi-injection in the case where the collecting quantity (ΔPm) exceeds a first temperature rising judgment collecting quantity (ΔP01) lower than a predetermined collecting quantity (ΔP1) and, thereafter, to stop the exhaust gas temperature raising control by multi-injection in the case where the collecting quantity (ΔPm) becomes lower than a predetermined second temperature rising judgment collecting quantity (ΔP02) lower than the predetermined first temperature rising judgment collecting quantity (ΔP01).Thereby, frequency of the manual regeneration switch operation can be reduced remarkably, and the operability for a driver can be improved, in the exhaust gas purification system (1) prompting the driver to stop the vehicle and perform the forced regeneration by the manual regeneration switch, in the case of detecting that the detected collecting quantity (ΔPm) is higher than the predetermined judgment collecting quantity (ΔP1), concerning the regeneration of the continuous regeneration-type diesel particulate filter device (13).
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Mashiko Tatsuo
Onodera Takao
Isuzu Motors Limited
Nguyen Tu M.
Staas & Halsey , LLP
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