| 摘要 |
PURPOSE: A variable geometric induction system in a vehicle is provided to eliminate interference between inflow air according to travel by separating a low speed intake pipe from a high speed intake pipe completely and opening or closing selectively, and to improve efficiency of an engine. CONSTITUTION: A low speed intake pipe(10) is curved horizontally and extended in the upper part of an intake manifold(40) connected to a cylinder head(60) of a cylinder block(50) with a surge tank(30) in the end. A high speed intake pipe(20) is placed between the middle of the low speed intake pipe and the cylinder head, and connected to the middle low part of the low speed intake pipe through an air passage(21). A driving shaft is mounted in the side of the air passage to open the air passage by operating the driving shaft upward. A rectangular control valve(70) is installed in the low speed intake pipe, and a surge tank is mounted in the lower part of the air passage. The variable geometric induction system helps to design an engine room conveniently in keeping the height of an engine, and improves the suction efficiency by eliminating vortex and resistance in sucking air through the high speed intake pipe.
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