ENGINE INTAKE DEVICE

PROBLEM TO BE SOLVED: To provide an engine intake device capable of optimizing intake air flow balance with simple structure.SOLUTION: The engine intake device includes: an intake port 40 that is disposed at a slant with respect to a cylinder 10 into which a piston 20 is inserted and which includes...

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Bibliographische Detailangaben
Hauptverfasser:	HIROSE YASUO, TAKEZAWA ATSUSHI, SHIBUI ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an engine intake device capable of optimizing intake air flow balance with simple structure.SOLUTION: The engine intake device includes: an intake port 40 that is disposed at a slant with respect to a cylinder 10 into which a piston 20 is inserted and which includes a combustion chamber, and that introduces combustion air into the combustion chamber and that has a cylinder-side area branched into a plurality of flow passages; an intake valve 50 which is driven by a valve train mechanism and opens/closes the combustion chamber-side end of the intake port; a partition wall 41 for dividing a flow passage cross-section upstream from the branching place of the intake port into the cylinder side and the valve train mechanism side; and a flow passage control valve 42 which is provided in the upstream side of the partition wall in the intake port and opens/closes the cylinder-side area of the flow passage cross-section of the intake port according to a running state. A downstream-side end position of the partition wall is changed in the width direction of the intake port.