BALANCE DEVICE IN INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To reduce the increase in the size and weight of an internal combustion engine when the vibration caused by the primary component in the internal combustion engine is suppressed by a primary eccentric balance shaft 15 rotated at the same speed as that of a crank shaft 3, and th...

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Hauptverfasser: KUNISHIGE KOMAKI, YOSHIMOCHI SO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To reduce the increase in the size and weight of an internal combustion engine when the vibration caused by the primary component in the internal combustion engine is suppressed by a primary eccentric balance shaft 15 rotated at the same speed as that of a crank shaft 3, and the vibration caused by the secondary component is suppressed by two secondary eccentric balance shafts 16, 17 which are rotated in the directions opposite to each other at the speed twice as that of the crank shaft. SOLUTION: A first secondary eccentric balance shaft 16 out of the two secondary eccentric balance shafts 16, 17 is arranged inside the primary eccentric balance shaft 15. COPYRIGHT: (C)2011,JPO&INPIT