Alfa Romeo Auto S.p.a.

Luigi Merlini

Aldo Bassi

Giuseppe Satta

The invention relates to a multi-cylinder Otto cycle internal combustion engine for motor vehicles, arranged to operate with a number of working cylinders which varies with the power delivered by the engine. The working cylinders which deliver the complementary portion of the maximum power have a compression ratio which is less than that of the remaining group of cylinders.

Modular multi-cylinder internal combustion engine

The invention relates to a multi-cylinder Otto cycle internal combustion engine for motor vehicles, of the type in which the number of working cylinders varies with the power delivered, and in which the working cylinders for any power condition have a compression ratio which is greater than the compression ratio of the complementary cylinders, these latter being supercharged.

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Milan, Italy

Luigi Merlini