Vibration damper with amplitude-dependent damping force
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United States of America Patent
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-
Feb 6, 2007
Grant Date -
Aug 26, 2004
app pub date -
Dec 17, 2003
filing date -
Dec 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Vibration damper comprising a piston rod, which is guided with freedom of axial movement in a damping medium-filled cylinder and which carries a piston, which divides the cylinder into two working spaces. At least one of the two working spaces has a flow connection leading to a housing, in which a separating element separates at least one chamber from one of the two working spaces, where the volume of the minimum of one chamber in the housing has a size which is variable within defined limits. The separating element executes relative motion with respect to the housing, and is located in a permanent position with respect to the piston rod, whereas the housing is movable with respect to the piston rod.
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