Cooling system for a water cooled internal combustion engine

Details Cooling system for a water cooled internal combustion engine Cooling system for a water cooled internal combustion engine

1992-11-17

1994-03-01

Kamen, Noah P.

Internal-combustion engines

Cooling

Interrelated coolant flow and throttle control

123 4154, 236 345, 236101C, F01P 714

Patent

active

052898032

ABSTRACT:
A cooling system for a water cooled internal combustion engine for a vehicle includes an engine body having a water jacket therein. The system comprises a radiator and a pump chamber. The pump chamber is in communication with the water jacket. A water pump creates a flow of water into the water jacket. A first main conduit has an end connected to the water jacket at the engine outlet and another end connected to the radiator. A second main conduit has an end connected to the radiator and another end connected to the pump chamber. A reservoir tank is arranged at a position more elevated than the radiator, and a supplementation conduit connects a bottom portion of the reservoir tank with an upper part of the pump chamber. A thermostat valve is arranged between the second main conduit and the pump chamber at a position upstream from a location where the supplementation conduit is connected to the pump chamber. A check valve is arranged in parallel with the thermostat valve and allows the introduction of air from the pump chamber to the second main conduit while preventing a flow of the air from the second main conduit to the pump chamber. The check valve is in a normally closed position under the force of gravity and is switchable to an opened position in response to a predetermined amount of air pressure in the pump chamber.

REFERENCES:
patent: 4461342 (1984-07-01), Avrea
patent: 4982704 (1991-01-01), Sliger
patent: 5135049 (1992-08-01), Attinger et al.

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