Damping valve for a hydraulic shock absorber
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United States of America Patent
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-
Dec 4, 2012
Grant Date -
Nov 19, 2009
app pub date -
May 27, 2009
filing date -
Mar 20, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A flow-control valve has a housing, a guide fixed in the housing and having a tubular end and formed with a radially throughgoing heart-shaped valve opening, and a slide axially shiftable in the housing and having a shaft and a sleeve extending axially from the shaft and snugly surrounding and slidable on the guide-body end. The slide is axially shiftable between positions with the sleeve completely blocking, partially blocking, and completely unblocking the valve opening. An electromagnetic linear actuator in the housing can axially shift the slide. A support ring fixed to the actuator and to the guide forms with the guide-body end an annular chamber into which the valve opening opens and is formed with a radially throughgoing port opening into the chamber and radially aligned with the valve opening.
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