| 摘要 |
PROBLEM TO BE SOLVED: To prevent lowering of the cooling efficiency of a cooler by reliably defrosting without damaging a fin even when the fin is deviated from the center of a nozzle. SOLUTION: A flat type fin 12 is assembled at a tube 11 through which a refrigerant flows, the fin 12 is situated upper stream from a cooler 1 situated such that the fin 12 is brought into 4 vertical state and a nozzle 2 to inject fluid G against the fin 12 is provided. The nozzle 2 has a nozzle tip serving such that the injection direction of the fluid G extends in a linear direction and is vertically revolved.
|
