Wenderoth, Lind & Ponack, L.L.P.
Freezer and refrigerator provided with freezer
Respective evaporators are set to a proper value in evaporation temperature and the efficiency in refrigeration cycle is enhanced, resulting in a reduction of energy consumption. A refrigerating unit and a refrigerator comprise a compressor, a condenser, a plurality of evaporators connected in series, a refrigerant flow rate adjustable unit and a refrigerant, thereby constituting a refrigeration cycle. The refrigerant flow rate adjustable unit controls each respective evaporation temperature of the plurality of evaporators. Preferably, the refrigeration unit further comprises a bypass circuit bypassing at least one of the plurality of evaporators and, when needs arise, the refrigerant is channeled through the bypass circuit. The refrigerant flow rate adjustable unit controls a flow rate of the refrigerant such that an evaporation temperature of the respective evaporators located at the upstream side of the refrigeration cycle is made higher than an evaporation temperature of the respective evaporators located at the downstream side thereof.
Matsushita Refrigeration Company
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F25B F25D F25D F25B F25D F25D F25D F25D F25D F25B F25D
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Shuzo Yasuki Hiroshi Hideki Masashi Naoki
Kamimura Hamano Yamada Fukui Yuasa Yokoyama