| 摘要 |
An internal combustion engine has a multi-joint crank drive which includes a plurality of coupling members rotatably mounted on a crankshaft and a plurality of articulated connecting rods rotatably mounted on an eccentric shaft, wherein each of the coupling members is pivotably connected to a piston connecting rod of a piston of the internal combustion engine and to one of the articulated connecting rods. In order that the second-order mass forces can be better compensated without a considerable increase in the friction losses, the required packaging space, the weight of the multi-joint crank drive, or the bearing forces in the bearings of the crankshaft, the articulated connecting rods are provided with additional masses and have a center of mass that lies outside the longitudinal center planes of the articulated connecting rods.
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