| 摘要 |
PURPOSE: An air flow rate adjuster of an LPG(Liquefied Petroleum Gas) vehicle is provided to prevent the turn-off of an engine due to sudden gear shifting to a neutral state during a high-speed travel by reducing the amount of the air flowing into a mixer. CONSTITUTION: An air flow rate adjuster comprises an air duct(12) for flowing air into a mixer of an LPG vehicle, a plate(16) fixed in the side of the air duct to adjust the opening of an air inlet part(14) of the air duct, a vacuum actuator(26) moving the plate, and a solenoid valve(28) interposed between the vacuum actuator and a surge tank to communicate the vacuum actuator with the surge tank when a gear is placed in a neutral position. When a position of a gear is suddenly changed to a neutral state, the opening of the inlet part of the air duct is reduced to reduce amount of air flowing through the air duct. Therefore, the lean burn in a combustion chamber is prevented and the turn-off of an engine is avoided.
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