| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust heat regeneration system capable of obtaining a higher regeneration output than before from exhaust heat of an internal combustion engine including high-temperature and low-temperature heat sources by using a Rankine cycle.SOLUTION: A Rankine cycle including a high-temperature heat exchanger 7A and a low-temperature heat exchanger 7B using a high-temperature heat source 3 and a low-temperature heat source 4 of a diesel engine 1 as heating sources for a hydraulic fluid 5, respectively, is configured so that an inlet of the high-temperature heat exchanger 7A is connected to an inlet of the low-temperature heat exchanger 7B, and an outlet of the low-temperature heat exchanger 7B is connected to a position X halfway along a flow passage 13 of the hydraulic fluid 5 in the high-temperature heat exchanger 7A, the temperature of the hydraulic fluid 5 in the flow passage 13 being generally identical to the temperature of the hydraulic fluid 5 at the outlet of the low-temperature heat exchanger 7B at the position X. |
