INTAKE DEVICE FOR INTERNAL COMBUSTION ENGINE
PROBLEM TO BE SOLVED: To improve distributing performance of EGR gas to cylinders and the degree of freedom of layout of various pipe connecting parts to an intake system. SOLUTION: An intake port 4 to be connected while being bent to the other part is formed on the downstream of a collector 3 of a...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To improve distributing performance of EGR gas to cylinders and the degree of freedom of layout of various pipe connecting parts to an intake system. SOLUTION: An intake port 4 to be connected while being bent to the other part is formed on the downstream of a collector 3 of a V-type internal combustion engine into an inverted Y shape composed of a confluence part of an upper part and a branch part of a lower part, and an intake air introducing port 21 and an EGR gas introducing port 22 are arranged on both sides of a central part in the cylinder arrangement direction of the collector 3 so as to be faced to each other between the confluent parts of adjacent intake ports 4 of right and left banks. Therefore, the EGR gas collides with and mixed with intake air to improve distributing performance to cylinders, and an introducing port for blow-by gas or evaporation fuel is arranged between the intake air introducing port 21 and the EGR gas introducing port 22 to improve the degree of freedom of layout. |
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