| 摘要 |
PROBLEM TO BE SOLVED: To provide an intake temperature reducing device for enhancing the reducing effect of the intake temperature. SOLUTION: This intake air temperature reducing device 1A is provided with a coolant supply unit 11 supplying a substance of enhancing specific heat of intake air as a coolant to an intake passage 2 on the upstream side of a section 4 receiving heat from an external part of the intake passage 2, a coolant recovery unit 12 recovering the coolant raised in the temperature by moving in the section 4 of the intake passage 2 together with air from the intake passage 2 on the upstream side of a combustion chamber 1a of an internal combustion engine 1, and a cooler 13 cooling the recovered coolant. The coolant cooled by the cooler 13 is reused as a coolant to be supplied from the coolant supply unit 11. COPYRIGHT: (C)2008,JPO&INPIT
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