Intake system of internal combustion engine

Details Intake system of internal combustion engine Intake system of internal combustion engine

2005-06-14

2005-06-14

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Air entering combustion chamber through plural inlets

C123S432000

Reexamination Certificate

active

06904891

ABSTRACT:
An internal combustion engine includes an intake port leading to an engine cylinder. The intake port is divided into first and second passage section by a partition extending in the intake port in a longitudinal direction of the intake port. A gas motion control valve is arranged to open and close an upstream end of the second passage section. A connection passage connects an upstream end portion of the second passage section to the first passage section. A bulge is formed in a first part of a circumferential region surrounding the downstream port end so as to prevent air from being drawn from the cylinder into the second passage section.

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