Apparatus for controlling the cooling system of a motor-vehicle

Details Apparatus for controlling the cooling system of a motor-vehicle Apparatus for controlling the cooling system of a motor-vehicle

1979-06-06

1982-04-20

Myhre, Charles J.

Internal-combustion engines

Cooling

Automatic coolant flow control

123 4113, 62243, 623234, 192 0096, F01P 708

Patent

active

043253300

ABSTRACT:
A motor-vehicle drive engine has a cooling system to which it is connected via a transmission so that it can drive its own cooling system. A controller responsive to various parameters of the engine, particularly load power requirements, operates the cooling-system transmission through a cutout circuit so as to disconnect the cooling system from the engine when the engine temperature is below a predetermined level so that the full engine output power can be applied to a load. Thus the engine loading, engine output speed, engine heat, accelerator-pedal setting, and/or similar parameters are detected and fed to the controller which automatically cuts the cooling system off for a predetermined fixed interval (controlled by a timer) whenever it is possible for the engine to operate for this interval without the cooling system and the work produced by the engine is otherwise needed. A temperature sensor may reconnect the engine and the fan when the engine temperature rises impermissibly.

REFERENCES:
patent: 2807246 (1957-09-01), Jacobs
patent: 3651658 (1972-03-01), Kushida
patent: 3710587 (1973-01-01), Hayashi
patent: 3724230 (1973-04-01), Muto et al.
patent: 3813894 (1974-06-01), Bonnaud
patent: 3844130 (1974-10-01), Wahnish

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