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    • 32. 发明申请
    • AIR CONDITIONER
    • 冷气机
    • US20100218533A1
    • 2010-09-02
    • US12680602
    • 2008-11-27
    • Sangmu Lee
    • Sangmu Lee
    • F25D23/00F28F1/10F25B1/00
    • F28F1/40B21D53/08F24F13/30F25B39/00F25B2500/01F28F1/10F28F1/32F28F1/36F28F1/405F28F1/42F28F1/422F28F13/185F28F13/187
    • To increase a heat exchange capacity of an indoor heat exchanger without increasing a pressure loss inside tubes of an outdoor heat exchanger.A heat exchanger is constituted by an indoor machine equipped with an indoor heat exchanger 10 constituted by a plurality of heat transfer tubes 12A, which have a spiral grooves 13A formed with a predetermined lead angle Ra on inner faces of the tubes and are made to pierce a plurality of fins 11, and an outdoor machine equipped with an outdoor heat exchanger 20 constituted by a plurality of heat transfer tubes 22A which have a lead angle Rb of spiral grooves 23A smaller than that of a heat transfer tubes 10A used for the indoor heat exchanger 10 and are made to pierce a plurality of fins 11.
    • 为了提高室内热交换器的热交换能力而不增加室外热交换器的管内的压力损失。 热交换器由具有由多个传热管12A构成的室内热交换器10的室内机构成,该传热管12A具有在管的内表面上以预定的导程角Ra形成的螺旋槽13A, 多个翅片11以及具有室外热交换器20的室外机,该室外热交换器20由多个传热管22A构成,传热管22A具有比用于室内热的传热管10A小的螺旋槽23A的导程角Rb 交换器10,并且被制成穿刺多个翅片11。