ARRANGEMENT AND PROCEDURE FOR PRESSURIZING A COOLING SYSTEM TO COOL AN INTERNAL COMBUSTION ENGINE IN A VEHICLE
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
Nov 19, 2013
filing date -
Dec 10, 2012
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Abstract
An arrangement and procedure for pressurizing a cooling system that cools an internal combustion engine (2) in a vehicle (1). The cooling system includes a coolant pump (3) for circulating the coolant in the cooling system, an expansion tank (12) allowing the coolant in the cooling system to expand, and a pressure relief valve (15) that releases air when a specific pressure is reached in the cooling system. A compressed air-entraining device (17-21) allows compressed air to be supplied to the cooling system by supplying a continuous air flow to the cooling system while the internal combustion engine (2) is operational, and to supplying an air flow of a size at least equal to the estimated leakage from the cooling system.
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