| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle height adjustable air suspension capable of performing the vehicle height control during the kneeling by providing a single vehicle height control means to a plurality of wheels without any complicated structure of a pneumatic circuit and a leveling valve. SOLUTION: This vehicle height adjustable air suspension maintains the vehicle height at a predetermined value under the automatic control of the leveling valve 5, and a three-way valve selectively displaces a movable valve element 20 to the compressed air supply position and the atmosphere opening position by an actuator. The vehicle height is reduced from the predetermined value by switching the three-way valve from the compressed air supply position to the atmosphere opening position.
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