Engine Cooling Apparatus and Engine Cooling Method
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United States of America Patent
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Issued Date -
Nov 6, 2014
app pub date -
Nov 27, 2012
filing date -
Nov 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sub-control valve is provided which detects a temperature of a liquid coolant in a main circulation path and separates part of the liquid coolant which is to be sent to a main radiator to send it into a sub-circulation path in case the detected temperature of the liquid coolant exceeds an upper limit value of the temperature of the liquid coolant when an engine runs in a steady state, and the liquid coolant which is sent into the sub-circulation path by the sub-control valve is cooled in a sub-radiator and is then caused to flow into a cooler device, while the liquid coolant in the sub-circulation path is separated to be returned to an upstream side of a first pump in the main circulation path.
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