Electrically operated pressure control valve
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United States of America Patent
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-
Aug 4, 1998
Grant Date -
N/A
app pub date -
Nov 20, 1996
filing date -
Nov 20, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A low voltage solenoid operated pressure control valve having a valve body with an adjustable inlet orifice plug in one end with a valve seat formed around the orifice. The orifice communicates with a precision valving bore with a one-piece valve rod having a valving surface on the end for throttling flow over the valve seat. An annular magnetic armature is press fitted on the end of the valve rod extending externally off the valving bore. A nonmagnetic cover is disposed and sealed over the armature to enclose the valving bore. An encapsulated coil is disposed over the cover. A cylindrical pole casing is disposed over the coil and a flanged tubular pole member disposed over the cover and registered on the casing to provide a flux loop about the coil. A retaining ring frictionally engages the cover to retain the assembly. The valving bore is cross ported through the body to provide the flow outlet and the interior of the armature cover is ported to the outlet.
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