Single-circuit cooling system for intercooled marine engines

Details Single-circuit cooling system for intercooled marine engines Single-circuit cooling system for intercooled marine engines

1985-09-11

1986-11-11

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Automatic coolant flow control

123 4129, 123 4131, F01P 716

Patent

active

046215948

ABSTRACT:
A common coolant circuit for cooling an internal combustion engine, on the one hand, and the charge air and possibly other media, on the other hand. In order to achieve a constant positive flow through the charge air cooler (intercooler) of a coolant which is at a low temperature level of 45.degree. C. or less and, respectively, to ensure rapid heating of the engine after cold starting, a single four-way thermostat incorporating a double valve is provided. In the cold starting mode, the valve causes a bypass operation of the coolant in the cooling jacket of the engine and the coolant in the common cooling circuit, in conjunction with a separate coolant pump for each. In the hot operating mode, the valve controls circulation of a pre-determined coolant flow in the cooling circuit. The thermostat element of the thermostat is constantly exposed, during this process, to a pre-determined coolant flow from the cooling jacket of the engine (more specifically the coolant outlet of the engine).

REFERENCES:
patent: 3125081 (1964-03-01), Jasper
patent: 3380466 (1968-04-01), Sarra
patent: 3780712 (1973-12-01), Pace
patent: 3863612 (1975-02-01), Wiener
patent: 3872825 (1975-03-01), Deutschmann
patent: 3892209 (1975-07-01), Amiot
patent: 4410133 (1983-10-01), Furukubo

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