Internal combustion engine having induction system with aerodyna

Internal-combustion engines – Means to whirl fluid before – upon – or after entry into...

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123337, 251305, F02B 3100

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active

059794011

ABSTRACT:
An internal combustion engine having a cylinder and piston located therein has a charge motion control valve for controlling kinetic energy within an air charge flowing through an intake runner and into the cylinder of the engine. The charge motion control valve includes an actuator for controlling the position of the valve and an aerodynamic, wing-shaped valve disc being rotatable from a closed position to one or more open positions. The valve disc has leading and trailing segments. The leading segment masks airflow at small opening values of the valve and the trailing segment acts to prevent flow separation when the valve is in a wide-open throttle position.

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