| 摘要 |
PROBLEM TO BE SOLVED: To enhance the mountability of mechanisms driven for changing a compression ratio in a variable compression ratio internal combustion engine. SOLUTION: This internal combustion engine 1 comprises a cylinder block 2, a crankcase 4, the connection mechanism 5, and the drive mechanism 6. The cylinder block 2 and the crankcase 4 are connected to each other through the connection mechanism 5. The connection mechanism 5 moves the cylinder block 2 and the crankcase 4 relative to each other along the cylinder center axis (CCA). The drive mechanism 6 moves the cylinder block 2 and the crankcase 4 relative to each other along the center axis by driving the connection mechanism 5. The drive mechanism 6 is installed near the axial center of the crankcase 4. COPYRIGHT: (C)2009,JPO&INPIT
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