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    • 4. 发明授权
    • Freezer-refrigerator
    • 冰箱冰箱
    • US4891952A
    • 1990-01-09
    • US188535
    • 1988-04-29
    • Masaharu YoshikawaKazuo SugimotoMasuo KamitakaShinya TakagiHiroyuki Yoshida
    • Masaharu YoshikawaKazuo SugimotoMasuo KamitakaShinya TakagiHiroyuki Yoshida
    • F25B5/02F25B39/02F25D17/06F25D29/00
    • F25B39/02F25B5/02F25D17/062F25D29/00F25B2339/023F25D2400/04F25D2400/30F25D2700/122F25D2700/14F25D2700/16
    • A refrigerator comprising a refrigeration cycle which comprises a compressor, condenser, first capillary tube and first cooler connected into a loop, and a quick freezing refrigerant circuit connected in parallel with the first cooler and comprising a second capillary tube and a second cooler connected in series therewith. The refrigerant is passed through the first cooler for usual operation, or alternatively through the quick freezing circuit for quick freezing. During quick freezing, the first cooler is held out of operation, and the refrigerant has its pressure reduced in two steps by the first and second capillary tubes and is evaporated in the second cooler only, giving a low temperature effective for quick freezing. During usual operation, no refrigerant flows into the second cooler, which therefore remains free of frosting. The frost deposited on the second cooler during quick freezing disappears during the usual operation. Thus, the second cooler is substantially free from frost.
    • 一种包括制冷循环的冰箱,包括压缩机,冷凝器,第一毛细管和连接到回路中的第一冷却器,以及与第一冷却器并联连接的快速冷冻制冷剂回路,包括串联连接的第二毛细管和第二冷却器 随之而来。 制冷剂通过第一冷却器进行通常的操作,或者通过快速冷冻回路进行快速冷冻。 在快速冷冻期间,第一冷却器停止运行,并且制冷剂通过第一和第二毛细管分两步进行压力降低,仅在第二冷却器中蒸发,给出用于快速冷冻的低温。 在通常的操作过程中,没有制冷剂流入第二个冷却器,因此不会结霜。 在快速冷冻期间沉积在第二个冷却器上的霜在通常的操作过程中消失。 因此,第二冷却器基本上没有霜冻。