Internal-combustion engines – Cooling – Automatic coolant flow control
Patent
1993-02-19
1995-02-21
Kamen, Noah P.
Internal-combustion engines
Cooling
Automatic coolant flow control
123 411, 123 4113, F01P 700
Patent
active
053906322
ABSTRACT:
An engine cooling system comprises a cooling water circulation circuit interconnecting an engine body and a radiator, a bypass circuit connected to the cooling water circulation circuit to bypass the radiator, an electric-powered water pump disposed in the cooling water circulation circuit adjacent an engine inlet, a flow rate control valve for controlling the flow rate of cooling water flowing through the radiator, an outlet water temperature detector for detecting an engine outlet water temperature in the cooling water circulation circuit, an inlet water temperature detector for detecting an engine inlet water temperature in the cooling water circulation circuit, and a control means for controlling the operation of the water pump in accordance with at least the engine outlet water temperature and controlling the operation of the flow rate control valve in accordance with at least the engine inlet water temperature to thereby properly control the temperature of the cooling water in accordance with the operational condition of the engine.
REFERENCES:
patent: 4381736 (1983-05-01), Hirayama
patent: 4557223 (1985-12-01), Gueyen
patent: 4726325 (1988-02-01), Itakura
patent: 4782795 (1988-11-01), Kubozuka et al.
European Search Report.
Hiratani Masaaki
Ikebe Hidehito
Niikura Hiroyuki
Okazaki Koji
Shimada Hiroo
Honda Giken Kogyo Kabushiki Kaisha
Kamen Noah P.
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