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摘要

The purpose of the invention is to decrease the petrol consumption in motor machines and to this effect, an intermediary part of the distributor (1) in the intake duct (4, 19) used for additional air supply is provided. The arrangement comprises an afferent channel (4, 19) for additional air and a distributor (22) with air outlet (24, 25). Two valves (17, 18) are provided in parallel in the afferent channel (17, 18) and open at different pressure drop values. The invention relates to the adjusting values of theses valves (17, 18) and to an arrangement particularly appropriate for the regulation thereof as well as to an appropriate regulating process of theses valves.