Vehicular coolant control valve
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United States of America Patent
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Oct 20, 2015
Grant Date -
Aug 14, 2014
app pub date -
Oct 24, 2012
filing date -
Nov 4, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A vehicular coolant control valve configured so that the opened state thereof can be switched between a state allowing a normal amount of fluid to pass and a state allowing a lesser amount of fluid to pass. The control valve includes a valve body having a magnetic body and controlling fluid flow, a valve seat constituting a fluid flow channel and coming into contact with the valve body to close the flow channel, a solenoid magnetically maintaining a contact state between the valve body and valve seat, and an urging mechanism urging the valve body opposite to a flow direction of the fluid. The valve body includes a first valve body maintaining a contact state with the valve seat when the solenoid is excited and a second valve body allowing passage of a small amount of the fluid when the first valve body is in contact with the valve seat.
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