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    • 9. 发明授权
    • Motor cooling apparatus for refrigerator
    • 冰箱电机冷却装置
    • US4669279A
    • 1987-06-02
    • US794790
    • 1985-11-04
    • Kensaku MaedaSatoru FujiwaraTeiichi MochizukiYutaka Nagashima
    • Kensaku MaedaSatoru FujiwaraTeiichi MochizukiYutaka Nagashima
    • F25B31/00H02K9/20
    • F25B31/008H02K9/20
    • A motor cooling apparatus for use with the refrigerator which includes an evaporator, a condenser, a compressor and a main motor adapted to actuate the compressor and connected to the condenser at the internal space thereof. The motor cooling apparatus includes a refrigerant liquid guide passage for guiding refrigerant liquid condensed in the condenser to the internal space of the main motor by means of a refrigerant pump; a first opening formed in the condenser and connected to the internal space of the main motor; and a second opening formed at the bottom of the condenser and connected to the evaporator. The condenser has a reservoir at the bottom thereof to stock the refrigerant liquid. The reservoir is located between the first and second openings in the longitudinal direction of the condenser and connected to the refrigerant liquid guide passage on the suction side of the refrigerant pump. The reservoir may be formed at the same position as where the second opening is formed. The reservoir is provided in this case with a throttle device at the bottom thereof to control the amount of the refrigerant liquid flowing from the condenser to the evaporator. A dam is further formed in the reservoir, enclosing the throttle device, to prevent the refrigerant liquid which has flowed into the reservoir from flowing directly to the throttle device.
    • 一种与冰箱一起使用的电动机冷却装置,其包括蒸发器,冷凝器,压缩机和适于致动压缩机并在其内部空间处连接到冷凝器的主电动机。 电动机冷却装置包括制冷剂液体引导通道,用于通过制冷剂泵将在冷凝器中冷凝的制冷剂液体引导到主电动机的内部空间; 形成在冷凝器中并连接到主电机的内部空间的第一开口; 以及形成在冷凝器底部并连接到蒸发器的第二开口。 冷凝器在其底部具有储存器以储存制冷剂液体。 储存器位于冷凝器的纵向方向上的第一和第二开口之间,并与制冷剂泵的吸入侧的制冷剂液体引导通道连接。 储存器可以形成在与形成第二开口的位置相同的位置。 在这种情况下,在其底部设置有节流装置以控制从冷凝器流向蒸发器的制冷剂液体的量。 在储存器中进一步形成一个水坝,其中包围节流装置,以防止流入贮存器的制冷剂液体直接流到节流装置。