SYSTEM FOR RECUPERATING HEAT FROM THE EXHAUST GASES IN AN INTERNAL COMBUSTION ENGINE, WITH TWO HEAT EXCHANGERS ON A GAS RECIRCULATION CIRCUIT
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Feb 17, 2014
filing date -
Feb 20, 2013
priority date (Note) -
Abandoned
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Abstract
A system and method for recuperating energy for a motor vehicle equipped with an internal combustion engine. The system includes a recirculation circuit for the partial recirculation of the engine exhaust gases; a first coolant circuit passing through the engine and passing through a first cooling exchanger configured to collect heat energy from the recirculation circuit; a second circuit through which there circulates a state-change fluid to mechanically drive an output shaft of an expansion machine of the second circuit; and a third coolant circuit comprising a second cooling exchanger to collect heat energy from the recirculation circuit. The first circuit comprises at least one first coupling exchanger serving as a hot source for the second circuit. The first circuit and the third circuit are positioned in such a way that the circulation of coolant through the first circuit and through the third circuit can be independent.
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