DAMPER DEVICE AND MANUFACTURE OF SUCH A DAMPER DEVICE
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United States of America Patent
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N/A
Issued Date -
Dec 24, 2009
app pub date -
Mar 16, 2007
filing date -
Mar 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A damper device is manufactured from a single integrated body. The damper device comprises a damping chamber portion, a valve housing portion with adjustable valve devices and a pressurization reservoir portion. The internal volume of the damping chamber portion is divided by a piston into a compression chamber and a return chamber and the internal volume of the pressurization reservoir portion is divided by a member that is acted upon by a pressure that pressurizes the damping medium in the device. The three different portions are arranged substantially parallel to one another and the internal volume of the valve housing is connected both to the pressurized interior of the pressurization reservoir and to both chambers of the damping chamber part so that the damper always functions with a positive pressure in both the compression and the return chamber. The body is extruded as a single workpiece with alternating heat-conducting channels and fins on its outer surface.
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