ENGINE UNIT

摘要

An engine unit (1) comprises an internal combustion engine (2), having an inlet duct (5) into at least one combustion chamber (4), and a regenerative blower (3) connected to the engine (2) inlet duct (5) in such a way as to supply compressed air to the engine (2). The engine (2) has a number of cylinders less than or equal to six and a cylinder capacity of between 40 and 2200 cc; and the regenerative blower (3) has a compression ratio which is less than or equal to 1.6.