| 摘要 |
PROBLEM TO BE SOLVED: To change a vibration control structure to suit propeller characteristics by easily controlling the vibration of a crankshaft at the opposite end to the propeller effectively, in the engine that at least two bearing parts are provided with a crankcase to bear at least one pair of crank journals that is provided with the crankshaft in free revolution, both ends of the crankshaft are protruded from the bearing part of most outside along the axial line of the crankshaft of each bearing part and the propeller is installed to the end of the crankshaft. SOLUTION: A vibration controller 45 has one pair of pendulum type vibration weights 46 arranged to the outside of the crankcase 14 to the end part of the crankshaft 11. COPYRIGHT: (C)2006,JPO&NCIPI |
