Internal combustion engine with cooling system

Internal-combustion engines – Spark ignition timing control – Electronic control

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Details

123421, 123 4102, 123 4105, 123 4108, F02P 504, F01P 714

Patent

active

045094810

ABSTRACT:
An internal to be at engine is provided with an engine cooling system by which the amount of cooling water introduced to a radiator is changed in accordance with engine load, so that the temperature of the cooling water is controlled to be at lower levels during a high engine load mode operation than during a low engine load mode operation. Additionally, an ignition timing control system of the engine is arranged to retard the ignition timing for a time period immediately after engine operation is shifted to the high engine load mode, thereby effectively preventing engine knock from arising when the engine operation is shifted to the high engine load mode.

REFERENCES:
patent: 3521610 (1970-07-01), Coudriet
patent: 3851629 (1974-12-01), Mayr
patent: 4399776 (1983-08-01), Shikata

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