ENGINE CYLINDER HEAD

To enable a strong swirl flow S to be generated within a cylinder 12.SOLUTION: A first intake port 13 of two intake ports opened at a common cylinder 12 is defined as a swirl flow generating port and a second intake port 14 is defined as a port for flowing the intake gas as the swirl flow C in the s...

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Bibliographische Detailangaben
Hauptverfasser:	TADOKORO TADASHI, SUGANO SUUKI, OTACHI TOSHIKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	To enable a strong swirl flow S to be generated within a cylinder 12.SOLUTION: A first intake port 13 of two intake ports opened at a common cylinder 12 is defined as a swirl flow generating port and a second intake port 14 is defined as a port for flowing the intake gas as the swirl flow C in the same rotating direction as the swirl flow into the cylinder 12 A side of the second intake port 14 at an opening part peripheral edge corresponding to a swirl upstream side is provided with a guide surface 25a having a small opening degree so as to cause the intake gas to be guided toward a low dead point of the cylinder 12.SELECTED DRAWING: Figure 2 【課題】気筒１２内に強いスワール流Ｓを生成することができるようにする。【解決手段】共通の気筒１２に開口した２つの吸気ポートのうちの第１吸気ポート１３をスワール流生成ポートとし、第２吸気ポート１４は吸気をスワール流と同じ回転方向の旋回流Ｃにして気筒１２に流入させるポートとする。第２吸気ポート１４の開口部周縁におけるスワール流上流側に対応する側に、吸気が気筒１２の下死点側に向かうように案内する開口角度が小さくなった案内面２５ａを設ける。【選択図】図２