Internal combustion engine and control method thereof

Details Internal combustion engine and control method thereof Internal combustion engine and control method thereof

2007-02-20

2007-02-20

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...

C060S274000, C060S280000, C060S284000, C060S299000

Reexamination Certificate

active

10976989

ABSTRACT:
An internal combustion engine in which power is generated by burning a mixture of fuel supplied from a port injector and/or an in-cylinder injector and air in a combustion chamber, includes a valve drive mechanism which can change a valve opening characteristic of at least one of an intake valve and an exhaust valve; a turbocharger which supercharges air taken into the combustion chamber; a turbo motor which changes supercharging pressure generated by the turbocharger; a catalyst device including a catalyst which purifies exhaust gas discharged from the combustion chamber; and an ECU which controls the turbo motor such that pressure of the air taken into the combustion chamber becomes larger than back pressure until it is determined that the catalyst has been activated, and which sets a valve overlap period during which both of the intake valve and the exhaust valve are opened.

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