Patent ID: 8978616
Filing Date: 2015-03-17
Classification: F02B,F02D,F16C,F16F

Abstract:
1. An internal combustion engine comprising: a multi-joint crank drive, said multi-joint crank drive comprising: a plurality of articulated connecting rods rotatably supported on an eccentric shaft, said articulated connecting rods being provided with additional masses and having a center of mass which lies outside respective longitudinal center planes of the articulated connecting rods; and a plurality of coupling members rotatably supported on a crankshaft, wherein each of the coupling members is pivotally connected with a connecting rod of a piston of the internal combustion engine and with one of the articulated connecting rods wherein the articulated connecting rods are configured two-piece each having a divided connecting rod eye with a connecting-rod foot and a connecting-rod cover fixed on the connecting-rod foot with screws, and wherein the additional masses are respectively molded on the connecting-rod foot so as to protrude in a direction of the connecting-rod cover.