| 摘要 |
PURPOSE: An air suspension having a double characteristic curve is provided to improve traveling stability and responsiveness in cornering by returning promptly against rolling with changing the air flow rate in proportion to the position change of a vehicle. CONSTITUTION: Air is supplied and discharged from an air tank to surge tanks and air springs, and a leveling valve is installed between an axle and a vehicle body to control the pose of the vehicle. A rotor(9) opens and closes the air passage with rotating by a lever moving according to the pose of the vehicle. Two pressure holes(11a,11b) are formed at the side of a pressure chamber(11) to increase the air inflow rate, and a pressure hole(11a') is formed in the opposite side of the pressure chamber. The air amount to the air springs is increased according to rotational angle of the rotor, and the discharge amount is kept regularly. Traveling stability is improved by regulating the air amount to the air springs.
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