| 摘要 |
PROBLEM TO BE SOLVED: To prevent flammable refrigerant from leaking out in vehicle collisions. SOLUTION: When an acceleration sensor 130 detects acceleration exceeding a predetermined acceleration, an ECU 140 interprets the event as a vehicle collision. As a result, a first solenoid valve 111 opens and a second solenoid valve 106 and a third solenoid valve 107 close, while power supply to the electromagnetic clutch is shut off so that a compressor 101 stops. Accordingly, the high-pressure refrigerant existing between the second and third solenoid valves 106, 107 flows into an exhaust pipe 121 to be burned there. Leakage of the refrigerant in vehicle collisions can be thus prevented.
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