Engine waste-heat utilization device
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United States of America Patent
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Feb 7, 2017
Grant Date -
Jun 19, 2014
app pub date -
Aug 6, 2012
filing date -
Sep 30, 2011
priority date (Note) -
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Abstract
An engine-waste-heat utilization device includes a Rankine cycle which includes a heat exchanger through which cooling water coming out from an engine flows to recover waste-heat of the engine to refrigerant, an expander which generates power using the refrigerant coming out from the heat exchanger, a condenser which condenses the refrigerant coming out from the expander and a refrigerant pump which supplies the refrigerant coming out from the condenser to the heat exchanger, and a cooling water passage in which the cooling water having a higher temperature flows when the Rankine cycle is operated than when the Rankine cycle is not operated.
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