Mazda Motor Corporation

Tatsuhiro Ishida

Kazuhiko Yamamoto

Yuki Date

A damping structure of an inline six-cylinder engine is provided, which includes pistons reciprocatably fitted in the six cylinders, respectively, a crankshaft disposed below the pistons in a vertical direction of a vehicle and coupled to the pistons via connecting rods, respectively, the crankshaft being rotatable about an axis, a cylinder block having a plurality of crank journal parts disposed below the crankshaft in the vertical direction to rotatably support the crankshaft between adjacent cylinders in the crankshaft, a flywheel fixed to a rear end of the crankshaft in the longitudinal direction of the vehicle, and a dynamic damper attached to a lower part of the cylinder block, at at least one location between two adjacent cylinders among second through fourth cylinders, the six cylinders being disposed in an order of first through sixth cylinders from a front side to a rear side in the longitudinal direction.

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Aki-gun, Japan

Tatsuhiro Ishida