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    • 5. 发明专利
    • AIR CONDITIONER
    • JPH09159323A
    • 1997-06-20
    • JP32141695
    • 1995-12-11
    • MATSUSHITA REFRIGERATIONMATSUSHITA ELECTRIC IND CO LTD
    • NAKAMA HIROTOHIROTA MASANORIWAKITA KATSUYA
    • F25B41/06F25B43/00
    • PROBLEM TO BE SOLVED: To ensure reliability over a long period of time by eliminating from the refrigerating system extraneous matter such as dust, metal powder, machine oil, and carboxylate. SOLUTION: The number 12 in diagram indicates a capillary tube which seizes extraneous matter such as dust, metal powder, machine oil, and carboxylate. First and second copper pipes 13, 14 are connected to the capillary tube 12, the one on the side of a dryer 6 and the other on the side of an indoor heat exchanger 9 respectively. The first and second copper pipes 13, 14 are connected respectively to a system piping 15 on the side of the dryer 6 and to a piping 16 on the side of the indoor heat exchanger 9 in a manner of being detachable and replaceable. Moreover, first and second valves 18, 19 which each can stop a flow of refrigerant are set, the first valve in the system piping 15 on the side of the dryer 6 and close to the first copper pipe 13 and the second valve in the system piping on the side of a four-wave valve 3 for the indoor heat exchanger 9. This constitution permits the capillary tube 12 to be replaced in a simple manner and enables obtaining an air conditioner which ensures reliability over a long period of time.