Engine cooling system and thermostat therefor

Details Engine cooling system and thermostat therefor Engine cooling system and thermostat therefor

1992-09-18

1994-06-07

Kamen, Noah P.

Internal-combustion engines

Cooling

Interrelated coolant flow and throttle control

236 345, 236101C, F01P 714

Patent

active

053179943

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.

REFERENCES:
patent: 2871836 (1959-02-01), Doughty
patent: 3858800 (1975-01-01), Wong
patent: 4550694 (1985-11-01), Evans

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