CHANGEOVER UNIT FOR SUCTION SYSTEM FOR INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To eliminate the leakage between changeable flow cross sections and an unchangeable flow cross section and to avoid the interfering outline in the unchangeable flow cross section by improving a changeover unit. SOLUTION: This changeover unit for a suction system for an internal combustion engine opened/closed by a single movement unit is provided with at least two changeable flow cross sections 20 and an unchangeable cross section 20 by cutting off a plurality of inlet channels arranged in parallel in the suction system for the internal combustion engine and each of the changeable flow cross sections 20 has a flap valve 12. The movement unit extends in the external area of the unchangeable flow cross section 20.