CONTROL METHOD OF ENGINE RAPID WARM-UP SYSTEM
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Aug 2, 2007
filing date -
Aug 9, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An engine rapid warm-up system includes cooling water circulating through an engine 1, a radiator 2 introducing the cooling water to be cooled, a heat accumulator 3 storing the cooling water heated by the engine 1, and a pipe 6 and a water pump 7 that circulate the cooling water through the engine 1, the radiator 2 and the heat accumulator 3. In the system, high temperature cooling water that is stored in the heat accumulator 3 is controlled to be sent to and warm up the engine 1 at engine start, heat of exhaust gas is controlled to recover so that the cooling water obtained after heat recovery is circulated through and warms up the engine 1.
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