| 摘要 |
A refrigerant filtering apparatus is provided to prevent potential difference corrosion between a suction pipe and a condenser by blocking movements of electron through an insulating tube. A refrigerant filtering apparatus comprises a housing(30) filtering impurities of a refrigerant, a suction pipe(50) sucking air from a housing, and an insulating tube(60) coated on the suction pipe. The housing and the suction pipe are made of copper. The tube is a heat contraction tube. The housing is made of aluminum and connected to the condenser for radiating the refrigerant of the hot refrigerator. The suction pipe is closely contacted with the condenser.
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