| 摘要 |
PURPOSE:To reduce the load of a refrigerator and prevent the deterioration of a refrigerant by opening a waste gate and decreasing the pressure of the supercharged air when the temperature of the refrigerant of the refrigerator cooling the supercharged air becomes the deterioration temperature or higher. CONSTITUTION:The intake air from a supercharger 4 flows into a combustion chamber 13 through an inter-cooler 24, a surge tank 14 containing the evaporator 15 of a refrigerator 14, a throttle valve 17, and an intake port 12. The temperature of the intake air is detected 30, a control circuit 28 engages the clutch 18 of a compressor 19, and a refrigerant flows into the evaporator 14 through a condenser 20, a refrigerant tank 21, a pipe 22, and a control valve 23 opened via the output of the control circuit 28 to cool the intake air. When the temperature of the refrigerant becomes the deterioration temperature or higher, it is detected 31, the control circuit 28 opens a waste gate valve 26, the pressure of the supercharged air is decreased, the temperature of the intake air is decreased, thereby the deterioration of the refrigerant is prevented. |
