Fuel injection type internal combustion engine and vehicle...

Details Fuel injection type internal combustion engine and vehicle... Fuel injection type internal combustion engine and vehicle...

2006-05-23

2006-05-23

Solis, Erick R. (Department: 3747)

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

C701S105000, C123S188140

Reexamination Certificate

active

07047934

ABSTRACT:
An internal combustion engine includes an engine body including a cylinder that defines a combustion chamber, an intake opening that faces the combustion chamber, and an intake passage in communication with the combustion chamber through the intake opening, a piston provided in the cylinder, an intake valve that opens and closes the intake opening, a throttle valve provided in the intake passage, and an injector that injects fuel between the throttle valve in the intake passage and the intake opening. A ratio of a volume of the portion that extends from the throttle valve in the intake passage to the intake opening, to a stroke volume of the cylinder is at most approximately 0.61. The time period in which fuel injection from the injector is terminated during an idling operation is set within a period of time after one intake stroke has been completed and before the next intake stroke is begun.

REFERENCES:
patent: 5359972 (1994-11-01), Isaka
patent: 5586539 (1996-12-01), Yonekawa et al.
patent: 5797365 (1998-08-01), Kim
patent: 5852994 (1998-12-01), Tsuzuku et al.
patent: 6131554 (2000-10-01), Ito et al.

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