Cylinder structure for internal combustion engine

A cylinder structure satisfies the following conditions: 12% d/a 27%, where d is a distance between a cylinder inner surface 12a and an exhaust valve member 20b, and a is a diameter of the exhaust valve member; 40% c/b 50%, where c is a length of a non-guided portion of the exhaust valve 20 located...

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Bibliographische Detailangaben
Hauptverfasser: FURUKAWA YUTA, OKUMURA HIDEAKI, MAEHATA KIMIHIKO
Format: Patent
Sprache:eng
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Zusammenfassung:A cylinder structure satisfies the following conditions: 12% d/a 27%, where d is a distance between a cylinder inner surface 12a and an exhaust valve member 20b, and a is a diameter of the exhaust valve member; 40% c/b 50%, where c is a length of a non-guided portion of the exhaust valve 20 located below a lower end of a sleeve 26 when the exhaust valve 20 is closed, and b is a diameter of a cylinder bore; and 0.5% e/S 0.8%, where e is a gap between an exhaust valve rod 20a and the sleeve 26 and S is a diameter of the exhaust valve rod 20a.