BLOW-BY GAS EXTRACTION DEVICE FOR INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To reduce the number of part items and man hours for assembly and prevent freezing when extracting the blow-by gas in a cylinder head cover 3 to a throttle body 9 through a gas-liquid separation chamber 7. SOLUTION: A blow-by gas extraction port 14 communicating with the gas- liquid separation chamber 7 is board in the cylinder head cover 3, and the throttle body 9 is arranged adjacent to the cylinder head cover 3, and the blow-by gas introduction port 16 provided in the throttle body 9 is connected to the blow-by gas extraction port 14 directly.