| 摘要 |
PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of fully exhibiting an effect of expanding a lean limit by two point ignition while suppressing the occurrence of end gas knocking. SOLUTION: Two intake valves 3, 3 are provided side by side in one side with respect to a center line CC when viewed from the center line CC direction of a cylinder 2, and one exhaust valve 4 is provided in the other side. Ignition plugs 5 are arranged one by one at both sides of the exhaust valve 4. The plugs 5 are tilted so that an electrode part 8 of each plug is faced to the intake valve 3 side. COPYRIGHT: (C)2005,JPO&NCIPI
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