Power output apparatus and control method for same

Details Power output apparatus and control method for same Power output apparatus and control method for same

2006-06-13

2006-06-13

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...

C060S274000, C060S280000, C060S286000, C180S065310, C180S065510, C123S406460, C123S406520

Reexamination Certificate

active

07059116

ABSTRACT:
During the catalyst warm-up period, when control enabling reduction in hydrocarbons is not executed in gasoline engine100, the opening of the throttle valve101is made smaller in order to reduce the hydrocarbon discharge. During the catalyst warm-up period, when control enabling reduction in the quantity of hydrocarbons is executed in gasoline engine100, the opening of the throttle valve101is made larger in order to accelerate warm-up of the catalyst, thereby shortening the catalyst warm-up period. A shorter catalyst warm-up period enables reduction in the total quantity of hydrocarbons from engine startup to the end of the catalyst warm-up period.

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