Process and apparatus for regulating the temperature of coolant

Internal-combustion engines – Cooling – Interrelated coolant flow and throttle control

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Details

123 4144, 123 4112, F01P 716

Patent

active

045805318

ABSTRACT:
In a process and apparatus for regulating the temperature of coolant in an internal combustion engine, a three way valve controls the relative quantity of coolant flowing through a radiator, and a by-pass line bypassing the radiator. The valve responds both to the absolute temperatures of the coolant in the by-pass line leaving the engine and the line leaving the radiator to adjust the relative flow through the lines. A control system monitors the temperature of the coolant leaving and entering the engine and controls the pump and fan speeds in the normal manner.

REFERENCES:
patent: 4147139 (1979-04-01), Hass
patent: 4475485 (1984-10-01), Sakakibara et al.

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