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Motor vehicle engine e.g. diesel engine, and unit e.g. alternator starter, cooling device, has auxiliary circuit with auxiliary pump permitting circulation of coolant part in auxiliary cooler and across radiator`s part, when valve is closed
Motor vehicle engine e.g. diesel engine, and unit e.g. alternator starter, cooling device, has auxiliary circuit with auxiliary pump permitting circulation of coolant part in auxiliary cooler and across radiator`s part, when valve is closed
The device has a main circuit (1) provided with a circulation pump (4), a thermostatic valve (5) and a radiator (6). An auxiliary circuit (7) has an auxiliary pump (8) and an auxiliary cooler (9) to cool a unit e.g. alternator starter, of a vehicle. The pump (8) permits the circulation of a part of a coolant in the cooler (9) and across a main part (28) of the radiator, when the valve (5) is closed. An independent claim is also included for a cooling method for a motor vehicle.
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