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    • 1. 发明授权
    • Multi-stage compressing refrigeration device and refrigerator using the device
    • 多级压缩制冷装置和冰箱使用该装置
    • US06189335B1
    • 2001-02-20
    • US09236042
    • 1999-01-22
    • Toshiyuki EbaraYoshio IshiaiTakeo KomatsubaraMasaya Tadano
    • Toshiyuki EbaraYoshio IshiaiTakeo KomatsubaraMasaya Tadano
    • F25B110
    • F04C18/3564F04C23/001F04C23/008F25B1/10F25B31/026F25B2400/13F25B2400/23
    • There is disclosed a multi-stage compressing refrigeration device for multi-stage compressing a refrigerant using a plurality of compressing means. Its object is to enhance reliability, intend to reduce input and improve refrigeration effect, and to enhance efficiency. In the multi-stage compressing refrigeration device, low-stage compressing means and high-stage compressing means, a condenser, first expanding means, an intermediate evaporator, second expanding means and a main evaporator constitute a refrigeration cycle. The refrigerant flowing out of the condenser is branched into one refrigerant passed to the intermediate evaporator via the first expanding means and the other refrigerant passed to the main evaporator via the second expanding means. Heat exchange is performed between the refrigerant flowing into the second expanding means and the intermediate evaporator. Additionally, the refrigerant flowing out of the main evaporator is sucked by the low-stage compressing means, and the refrigerant flowing out of the intermediate evaporator is sucked by the high-stage compressing means together with the refrigerant discharged from the low-stage compressing means.
    • 公开了一种使用多个压缩装置对制冷剂进行多级压缩的多级压缩式制冷装置。 其目的是提高可靠性,打算减少投入,提高制冷效果,提高效率。 在多级压缩制冷装置中,低级压缩装置和高级压缩装置,冷凝器,第一膨胀装置,中间蒸发器,第二膨胀装置和主蒸发器构成制冷循环。 从冷凝器流出的制冷剂经由第一膨胀装置分支成一个传递到中间蒸发器的制冷剂,另一个制冷剂经由第二膨胀装置传递到主蒸发器。 在流入第二膨胀装置的制冷剂和中间蒸发器之间进行热交换。 此外,从主蒸发器流出的制冷剂被低级压缩装置吸入,从中间蒸发器流出的制冷剂与从低级压缩装置排出的制冷剂一起被高级压缩装置吸入 。
    • 10. 发明授权
    • Refrigerant
    • 制冷剂
    • US06581404B2
    • 2003-06-24
    • US10217870
    • 2002-08-13
    • Takeo KomatsubaraYasuki TakahashiTakayuki SaitouMiyuki Kawamura
    • Takeo KomatsubaraYasuki TakahashiTakayuki SaitouMiyuki Kawamura
    • F25B4300
    • C09K5/045C09K5/042
    • An object of the present invention is to provide a refrigerant in which an odorant is added, the odorant being compatible with refrigerants and refrigerating device oils, and having no reactivity with refrigerating device oils and materials forming refrigerating circuits, and to provide a refrigerating device in which the refrigerant is circulated in the refrigerating circuit. A refrigerant whose main component is a hydrocarbon having 1 to 4 carbon atoms, or a flammable hydrocarbon fluoride obtained when one or more hydrogen atoms of the hydrocarbon is substituted by fluorine atoms, the refrigerant containing a tetrahydrothiophene as an odorant, and a refrigerating device in which the refrigerant is circulated are provided.
    • 本发明的目的在于提供一种加入臭味剂的制冷剂,与制冷剂和制冷装置油相容的加臭剂,与制冷装置油和形成制冷回路的材料无反应性,并提供一种制冷装置 制冷剂在制冷回路中循环。主要成分为碳原子数为1〜4的烃的制冷剂,或者烃的一个以上的氢原子被氟原子取代时所得到的可燃性氟化烃,含有 四氢噻吩作为加臭剂,以及制冷剂循环的制冷装置。