Internal-combustion engines – Cooling – Parallel flow
Patent
1998-08-26
1999-10-26
Kamen, Noah P.
Internal-combustion engines
Cooling
Parallel flow
123 4105, F01P 318
Patent
active
059709278
ABSTRACT:
An apparatus for circulating cooling water for an internal combustion engine has a cooling water outer passageway, through which an engine body, a radiator, an indoor heater core and an oil cooler communicate with each other, for flowing the cooling water therethrough. The cooling water outer passageway includes a gong-to-engine-body communicating passageway through which the cooling water flows from the radiator towards the engine body, a going-to-heater-core communicating passageway through which the cooling water flows from the engine body towards the indoor heater core, and an oil cooler cooling water communicating passageway, bypasses the engine body communicating passageway and the heater core communicating passageway with respect to a water jacket, including an oil cooler midways of this oil cooler cooling water communicating passageway. The engine body communicating passageway and the heater core communicating passageway provided with flow rate control valves for reducing a quantity of the cooling water when a temperature of the cooling water comes to a predetermined temperature. A connecting point between the oil cooler cooling water communicating passageway and the heater core communicating passageway, exists more upstream than a point M at which the flow rate control valve is disposed on the heater core communicating passageway.
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Benton Jason
Kamen Noah P.
Toyota Jidosha & Kabushiki Kaisha
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