作者: R. Fulton , Jeffrey Beaver
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摘要: A lift-type axle/suspension system of a heavy-duty vehicle includes ride air springs for providing load support when the is lowered, and one or more lift selectively raising such additional unnecessary greater maneuverability desired. An apparatus integrates simultaneously controls operating systems springs. The control plurality conduits valves which enable pressurized from to be rapidly provided being lowered. supplements normal source compressed ensure sufficient timely smooth efficient operation without excessive buckling folding, thus maintaining adequate overall pressure needed other components.