In-tube shock absorber mounted electromagnetically operated damper valve and shock absorber including adapter
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United States of America Patent
Stats
-
Sep 14, 1999
Grant Date -
N/A
app pub date -
Aug 12, 1997
filing date -
Aug 12, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A shock absorber for use upon each corner of an automotive vehicle which includes a piston mounted upon a piston rod and appropriately disposed within a cylinder such that the piston separates the cylinder into a pair of operating chambers containing fluid. A damper valve which is electromagnetically operated is seated within the hollow interior of the piston rod. The damper valve includes a sleeve, spool, center pole piece and a coil which are retained within position within the interior of the piston rod by an appropriate adapter. The piston is seated upon an extension of the adapter and is held in place by a nut. Fluid within the chambers flows in a substantially unrestricted fashion through a flow path defined by the damper valve and is restricted in its flow by actuation of the coil to provide an electromagnetic field that moves the spool according to the signal applied.
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