| 摘要 |
PURPOSE:To prevent the interference between a head cover and an intake pipe by positioning a suction valve inside each bank of a V-type engine and arranging an intake passage for other bank over each cam shaft and forming the cylinder head cover into projection form. CONSTITUTION:The intake port 6 of each bank of a V-type engine is installed inside the bank, and an intake passage 16 communicating to the intake port of other bank is arranged over the cam shaft 10 of each suction valve. The length of the intake passage can be set sufficiently long because of the arrangement of the intake passage, and supercharge is carried out by effectively utilizing the intake pulsation. Though the intake passage 16 interferes with a part of the cylinder head cover 15 in position relation, said interference can be prevented by forming the head cover part over the cam shaft 10 into a recessed part 18.
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