Tuneable steering damper using magneto-rheological fluid
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United States of America Patent
Stats
-
Apr 15, 2003
Grant Date -
Dec 27, 2001
app pub date -
Jan 31, 2001
filing date -
Jan 31, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear vibration damping system includes a piston slideably disposed within a cylinder, a magneto-rheological fluid disposed within the cylinder, and a magnet disposed in magnetic communication with the magneto-rheological fluid. A rotary vibration damping system includes a cylinder having a steering shaft extending therethrough, a magneto-rheological fluid disposed between an inner surface of the cylinder and an outer surface of the steering shaft, and a magnet disposed in magnetic communication with the magneto-rheological fluid. In either system, the magnet is controllable to provide variable control of the magneto-rheological fluid. A method of damping vibrations in a motor vehicle includes disposing a magneto-rheological fluid at a source of vibration in the motor vehicle, controlling the magneto-rheological fluid to effectuate a structural change in the magneto-rheological fluid, and subjecting the magneto-rheological fluid to a vibration from the source of the vibration.
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