PRESSURE REGULATOR FOR SHOCK ABSORBER
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United States of America Patent
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Issued Date -
Apr 26, 2012
app pub date -
Apr 22, 2010
filing date -
Apr 23, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pressure regulator adjusts the pressure of a flow of damping medium in a shock-absorber valve (1) between an upstream and downstream volume at first and a third pressures. The pressure regulator comprises a first valve member (3) which moves axially with a stroke, from a seat part (2) with a first side (2a) having at least a first and a second seat (4, 5). When the valve member (3) moves from the seat part, a stroke-varying opening throttling the flow is created between the parts. The seat part comprises at least two parallel first and second throttles (4a, 5a). The seat part also comprises a fixed third throttle (6), arranged in series with the second throttle. The first and second throttle vary with the stroke so that the ratio between the first flow (through first throttle) and second flow (through second and third throttles) increases with the stroke.
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