| 摘要 |
<P>PROBLEM TO BE SOLVED: To change a position of an opening of an intake port through an intake gas flow control valve in accordance with an engine operational state. <P>SOLUTION: An intake port 2 of an internal combustion engine includes an intake gas flow control valve 10 which controls a gas flow by closing a part of the intake port 2 when closed. In accordance with a rotating position of a rotary shaft 11 driven by an actuator, positions of openings (15, 16) of the intake port 2 are made different between a first valve closed state (A) and a second valve closed state (C). <P>COPYRIGHT: (C)2013,JPO&INPIT |
