Mazda Motor Corporation

Yasuhiro Sudo

Ken Ohtsuki

Tsuyoshi Kojima

Yasuo Fujitsuku

Hiroshi Abe

Masayuki Murata

Seigo Takeno

An engine has a crankshaft and a plurality of cylinders arranged in a row in a direction parallel to the crankshaft. Combustion in the cylinder adjacent to each end portion of the crankshaft to suppress bending strain of the crankshaft at said one end portion. The vibration control conditions of controlling combustion in the cylinders adjacent to the respective end portions of the crankshaft are set on the basis of properties of vibration of the engine and resonant frequencies at the respective end portions of the crankshaft and the conditions of combustion in the respective cylinders are controlled on the basis of the vibration control conditions set for the respective cylinders.

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Hiroshima, Japan

Yasuhiro Sudo