DAMPING AIR SPRING WITH DYNAMICALLY VARIABLE ORIFICE
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United States of America Patent
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Issued Date -
Aug 24, 2017
app pub date -
Feb 21, 2017
filing date -
Feb 23, 2016
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Abstract
An air spring for a heavy-duty vehicle includes a bellows chamber, a piston chamber, and at least one opening. The piston chamber is operatively connected to the bellows chamber. The at least one opening is in fluid communication with the bellows chamber and the piston chamber to provide fluid communication between the bellows chamber and the piston chamber. An orifice assembly is disposed adjacent the at least one opening for variably changing the size of the opening. The air spring provides damping to the heavy-duty vehicle.
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