Damping valve for shock absorber
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United States of America Patent
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May 5, 2015
Grant Date -
May 2, 2013
app pub date -
Jun 29, 2011
filing date -
Jul 28, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The damping valve for a shock absorber includes a valve disc that delimits a cylinder interior filled with a working fluid, a port connects fluid chambers delimited by the valve disc, an leaf valve that is laminated onto the valve disc and is capable of moving in an axial direction of the valve disc so as to open and close the port in accordance with a differential pressure between the fluid chambers, and a biasing mechanism that biases the leaf valve in a direction for closing the port, wherein the biasing mechanism includes a shaft member constituted by a non-magnetic body, the leaf valve being disposed to be free to slide on an outer periphery of the shaft member; and a moving magnet that uses a magnetic force thereof to bias the leaf valve toward the valve disc.
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