Viscous clutch valve assembly
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United States of America Patent
Stats
-
Nov 11, 2014
Grant Date -
Oct 31, 2013
app pub date -
Aug 18, 2011
filing date -
Aug 19, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve assembly for a viscous clutch includes an orifice plate defining a bore to allow the passage of a fluid through the orifice plate, a reed valve secured relative to the orifice plate, an armature comprising a magnetic flux-conducting material, an anchor spring secured to the armature, and a stiffening plate. The reed valve includes a tongue configured to selectively cover the bore of the orifice plate, and a first pivot location along the tongue. A second pivot location is defined along the anchor spring at an edge of the stiffening plate. The first and second pivot locations are spaced from each other. The armature is configured to selectively apply a force to the reed valve to pivot at least a portion of the tongue about the first pivot location.
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Family
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