Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate
2006-10-17
2006-10-17
Tran, Binh Q. (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
C060S280000, C060S284000, C060S300000, C180S065230, C180S065310, C180S065510
Reexamination Certificate
active
07121084
ABSTRACT:
In elevating the exhaust gas temperature for conducting the sulfur contamination-removing operation for a NOxoccluding and reducing catalyst, a motor/generator is driven by the electric power from a battery while operating an internal combustion engine of a hybrid vehicle to produce a low output, and the wheels are driven via the internal combustion engine, power change-over mechanism and transmission. A motor assist is effected for increasing the output of the motor/generator during a period in the expansion stroke in each cylinder of the engine to increase the engine rotational speed during the above period only. Then, the exhaust valve is opened before the combustion is completed in the cylinder, and the exhaust gas temperature is raised.
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Oliff & Berridg,e PLC
Toyota Jidosha & Kabushiki Kaisha
Tran Binh Q.
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