INTAKE PORT STRUCTURE OF 3-INTAKE VALVE ENGINE

PURPOSE:To improve the output by enhancing the inertia intake effect during low-speed operation while securing the intake air quantity during medium-high speed operation in an engine. CONSTITUTION:An intake port of a 3-intake valve engine comprises one inlet part 11 and three outlet parts 12, 13, 14...

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Bibliographische Detailangaben
1. Verfasser:	HASHIZUME HIDESHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES 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 SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF 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:	PURPOSE:To improve the output by enhancing the inertia intake effect during low-speed operation while securing the intake air quantity during medium-high speed operation in an engine. CONSTITUTION:An intake port of a 3-intake valve engine comprises one inlet part 11 and three outlet parts 12, 13, 14 which are communicated with one inlet part 11 and formed in such a manner that the sectional areas thereof are substantially the same. When the long diameter of the inlet part 11 is taken to be (a), the distance between the centers of the outlet parts 12, 14 positioned on both sides is taken to be (w), and the shaft diameter of an intake valve disposed in the outlet parts 12, 14 is taken to be (d), a partition wall 16 is formed to the adjacent outlet parts 12, 13, 14 in the intake port having the relation expressed by the equation: a>=w-d.