Dual/variable gain oil pump control valve
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United States of America Patent
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Aug 2, 2016
Grant Date -
Sep 17, 2015
app pub date -
Mar 12, 2014
filing date -
Mar 12, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A solenoid fluid control valve is disclosed for controlling a variable displacement pump. The solenoid fluid control valve comprises a fixed solenoid component, a movable armature component, a fixed nozzle body, a movable spool within the fixed nozzle body, and a valve member. The valve member regulates fluid pressure in a first and second feedback chamber. Fluid in the second feedback chamber establishes a second feedback pressure that acts on the movable spool with a motive feedback force in a first axial direction. The movable spool moves in the first axial direction in response to the motive feedback force.
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