To provide a refrigerant injection device capable of efficiently injecting liquid refrigerant in a short time, surely eliminating bubbles in the liquid refrigerant, and recovering and recycling the liquid refrigerant discharged during injection, when the liquid refrigerant is injected into a cooling module.
This refrigerant injection device for injecting the liquid refrigerant to the cooling module having an injection port and a recovering port, comprises a refrigerant supplying tank for storing the liquid refrigerant, an injection passage for injecting the refrigerant from a refrigerant supplying tank to the injection port, and a recovering passage for recovering the liquid refrigerant discharged from the recovering port and returning the same to the refrigerant supplying tank.
NAGASHIMA FUMIHIDE
Shunguchi Sekiguchi
Akio Saruwatari
Junichi Furukawa
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