| 摘要 |
PROBLEM TO BE SOLVED: To provide an internal combustion engine in which a tumble flow into a combustion chamber is strengthened, and an intake air quantity to the combustion chamber can fully obtained. SOLUTION: An internal combustion engine 1 is comprised of at least two intake ports 3, which adjoin each other, and an inlet valve Vi to open and close each intake port 3. An air-fuel mixture of fuel and air is burned in the combustion chamber 2 to generate power. A rectifying projection 5 installed in an inner peripheral face 3a of each intake port 3, and guides and deflects the air flowing toward the region between two intake ports while separating from an exhaust side. COPYRIGHT: (C)2005,JPO&NCIPI
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