WASTE HEAT UTILIZATION APPARATUS

WIPO Patent Application WO/2013/046791

A1

[Problem] To provide a waste heat utilization apparatus which improves the performance of an internal combustion engine while being low cost and highly durable. [Solution] This waste heat utilization apparatus is provided with a Rankine cycle (3a) that is used in a drive system (1a), a bypass path (29), a flow-regulating valve (31), a pressure sensor (35) and a control device (11a). The drive system (1a) comprises an engine (5) and a turbo charger (7) that supplies pressurized air to the engine (5). The Rankine cycle (3a) comprises an electric pump (P1), a pressurized air boiler (19), an expander (21), a condenser (23), and pipes (24 to 28). The control device (11a) increases the discharge rate of the electric pump (P1), thereby increasing the discharge rate of a working fluid when a cooling requirement for pressurized air is determined to have exceeded a threshold value. In addition, the control device (11a) controls the flow-regulating valve (31) on the basis of a comparison between a set evaporating pressure and a detected pressure (α) detected by the pressure sensor (35), thereby regulating the flow of the working fluid that flows into the expander (21).

MORI HIDEHUMI (JP)
IGUCHI MASAO (JP)
ENOKIJIMA FUMINOBU (JP)
ISHIGURO FUMIHIKO (JP)

PCT/JP2012/062028

April 04, 2013

May 10, 2012

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TOYOTA JIDOSHOKKI KK (JP)
MORI HIDEHUMI (JP)
IGUCHI MASAO (JP)
ENOKIJIMA FUMINOBU (JP)
ISHIGURO FUMIHIKO (JP)

F02G5/00; F01D17/00; F01D17/08; F01K23/02; F01K23/10; F01N5/02; F02B37/00; F02G5/02; F02G5/04

WO2011058832A1

2011-05-19

JP2007239513A	2007-09-20
JPS55117054A	1980-09-09
JP2012077630A	2012-04-19

PATENA CORPORATION (JP)
a patent business corporation -- ぱてな (JP)

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