Internal combustion engine with ignition plug and vehicle...

Details Internal combustion engine with ignition plug and vehicle... Internal combustion engine with ignition plug and vehicle...

2006-11-21

2006-11-21

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

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

C123S188140, C123S308000

Reexamination Certificate

active

07137380

ABSTRACT:
An internal combustion engine includes a cylinder having a cylinder inner surface, a cylinder head that cooperates with the cylinder inner surface to define a combustion chamber and has a head inner surface including an intake opening through which an intake gas is introduced into the combustion chamber, an intake valve that opens and closes the intake opening, an ignition plug provided on the cylinder head, and an intake drifting mechanism that causes the intake gas to drift toward an axis of the cylinder in the intake opening and generates a vortex flow in the combustion chamber. When the intake valve is opened, a minimum gap between the intake valve and the head inner surface is equal to or larger than a gap between the intake valve and the cylinder inner surface in a diametrical direction of the cylinder.

REFERENCES:
patent: 5027761 (1991-07-01), Fujii et al.
patent: 5394845 (1995-03-01), Noh et al.
patent: 5529038 (1996-06-01), Tsuchida
patent: 5720255 (1998-02-01), Yoshikawa
patent: 5913297 (1999-06-01), Jingu
patent: 6276330 (2001-08-01), Adamisin et al.
patent: 6655347 (2003-12-01), Takamiya et al.

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