Exhaust heat recovery device for internal combustion engine and exhaust heat recovery method for internal combustion engine
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United States of America Patent
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May 23, 2017
Issued Date -
N/A
app pub date -
Dec 10, 2013
filing date -
Dec 17, 2012
priority date (Note) -
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Abstract
An exhaust heat recovery device for an engine including a Rankine cycle, including a steam accumulator that stores a surplus of a working medium for driving a turbine, and a leveling line that discharges the stored surplus working medium from the steam accumulator to the turbine, when the turbine cannot output predetermined power only with the working medium flowing out from a boiler, and levels the power outputted from the turbine. Since the power outputted from the turbine can be leveled without reduction of the power, even if the working medium cannot vaporize with the boiler immediately after start-up, immediately before stop, or during a low-load operation of the engine, exhaust heat from the engine can be efficiently used.
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