AIR SPRING WITH INTEGRAL INTERMEDIATE CHAMBER

An air spring for a heavy-duty vehicle axle/suspension system comprising a piston, a bellows, and an intermediate chamber integrally formed with the bellows. The bellows has an upper portion, a top plate, and a bellows chamber and is connected to the piston by a band, a bead-in-groove connection, an...

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Bibliographische Detailangaben
Hauptverfasser: Zawacki, Jeff R, Delorenzis, Damon
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An air spring for a heavy-duty vehicle axle/suspension system comprising a piston, a bellows, and an intermediate chamber integrally formed with the bellows. The bellows has an upper portion, a top plate, and a bellows chamber and is connected to the piston by a band, a bead-in-groove connection, and/or a bayonet connection. The upper portion is reinforced to prevent the bellows chamber from increasing in volume. The intermediate chamber has an optimally sized top plate and a support structure and extends from the piston into the bellows chamber. The intermediate top plate is formed with means for restricted fluid communication between the bellows chamber and the intermediate chamber. The means for restricted fluid communication is not obstructed when it contacts the bellows top plate during jounce events. The support structure is optimized in relation to the top plate.