| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling device for an engine capable of securing cooling performance of a sub engine while keeping addition of parts used just for cooling the sub engine minimum. SOLUTION: The cooling device 1 is provided with a main engine 10 for driving a vehicle, a cooling fan 74 cooling a radiator 70 of the main engine 10, a sub engine 20 arranged in a circulation route of air flow produced by the cooling fan 74, a crank position sensor 51 and a water temperature sensor 53 detecting an operation condition of the main engine 10, a crank position sensor 61 and a water temperature sensor 62 detecting an operation condition of the sub engine 20, and a sub ECU 60 controlling rotation speed of the cooling fan 74 based on detected operation conditions of the main engine 10 and the sub engine 20. COPYRIGHT: (C)2006,JPO&NCIPI
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