Engine cooling system and thermostat therefor
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United States of America Patent
Stats
-
Jun 7, 1994
Grant Date -
N/A
app pub date -
Sep 18, 1992
filing date -
Sep 18, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reverse flow cooling system for an internal combustion engine wherein coolant flows first into the cylinder head cooling chamber and then downwardly into the cooling chambers surrounding the cylinders comprises a thermostatically controlled valve having a valve spool movable between spaced and aligned inlet and outlet ports to control flow therethrough. The inlet port and outlet ports of the valve are sized so as to exhibit a combined resistance to flow equal to or less than the resistance to flow of the inlet port whereby coolant flowing through said thermostat exhibits minimum pressure drop.
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