Engine cooling system vent means

Details Engine cooling system vent means Engine cooling system vent means

1975-10-28

1977-10-11

Dority, Jr., Carroll B.

Internal-combustion engines

Cooling

Automatic coolant flow control

123 4108, 123 4154, 137433, 165 40, 165 51, 236 345, F16K 3118, F01P 702

Patent

active

040529657

ABSTRACT:
An engine cooling system vent valve is provided for allowing air to escape around a closed thermostat during filling and which closes to prevent circulation of coolant from bypassing the thermostat when the engine is cold and the thermostat is closed. The vent valve includes a ball within a housing having an inlet and an outlet and a support adapter having a plurality of grooves thereon for permitting passage of air.

REFERENCES:
patent: 1897492 (1933-02-01), Ledoux
patent: 1985198 (1934-12-01), Williams
patent: 2296641 (1942-09-01), Hawkins, Jr.
patent: 3726262 (1973-04-01), Moon
patent: 3786829 (1974-01-01), Nardo et al.
patent: 3903918 (1975-09-01), Carnarius
patent: 3921600 (1975-11-01), Henning et al.
patent: 3939901 (1976-02-01), Cieszko et al.

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