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    • 4. 发明专利
    • FREEZING REFRIGERATOR
    • JPS54129554A
    • 1979-10-08
    • JP3679578
    • 1978-03-31
    • HITACHI LTD
    • YAMAZAKI SUSUMUNAGAKITA SHIGEOMORO KUNIOYAMAGUCHI USABUROU
    • F25D17/08
    • PURPOSE:To improve feasibility of refrigerator by providing a freezing chamber, refrigerating chamber and freezing-refrigerating chamber to switch the freezing- refrigerating chamber to the freezing or refrigerating chamber if necessary to adjustably increase or decrease the volume of refrigerating and freezing chambers. CONSTITUTION:A freezing-refrigerator has freezing chamber 5 on the upper portion, a switching chamber (freezing-refigerating chamber) 6 on the lower portion and a partition wall 10 dividing the refrigerator into said both chambers. After cool air cooled by a cooler 11 is jetted into the freezing chamber 5 by a blower 15, a portion of the cool air is jetted into the switching chamber 6 through a cool air path 21 having a damper thermo 23 and the remaining cool air is returned to the cooler 11 through a pressure chamber 25 controllably opened and closed by a switching damper 30. A refrigerating chamber 38 is provided at the side of said freezing chamber 5 and switching chamber 6 to bestride both chambers. An inner box 6a integrates these three chambers into one body. A piping 37 through which high temperature refrigerant passes is provided at the adiabatic material side of the partition wall 39 formed between the chambers 5,6 and the chamber 38.
    • 5. 发明专利
    • REFRIGERATORRCOLD STORAGE
    • JPS54101546A
    • 1979-08-10
    • JP729078
    • 1978-01-27
    • HITACHI LTD
    • YAMAZAKI SUSUMUNAGAKITA SHIGEOYAMAGUCHI USABUROUMORO KUNIOTAKANO MASAYUKIHONMA TOORU
    • F25D17/08
    • PURPOSE:A freezing chamber is provided in the upper part and a switching chamber in the lower part via a partitioning wall. A refrigerator is provided on the back side of the switching chamber. To form a series of cold air passages, a partitioning plate and a switching damper are provided. By this, it is made possible to increase the volumes of the freezing and col storage chambers. CONSTITUTION:Freezing chamber 5 and freezing chamber-cold storage 6, which is a switching chamber, are partitioned by partitioning wall 10, and refrigerator 11 is provided at the back wall part of switching chamber 6. Cold air from refrigerator 11 passes through duct plate 13, and the greater part of it is ejected into freezing chamber 5 from cold air ejection hole 17. The remainder is ejected into pressure chamber 25 from passage 26 formed by duct plate 13 and partitioning duct plate 19, and then passes through duct 28 and returns to refrigerator 11. Cold air in freezing chamber 5 flows from suction part 20, passes through passage 22, which has passage 21 and damper thermo 23, and flows into cold storage chamber 6 and pressure chamber 25. To select the chamber into which cold air is to be ejected, switching damper 30 is provided in the switching chamber. By this, the volumes of the cold storage chamber and the freezing chamber can be increased or decreased.
    • 10. 发明专利
    • FREEZER REFRIGERATOR
    • JPS54133663A
    • 1979-10-17
    • JP4031178
    • 1978-04-07
    • HITACHI LTD
    • NAGAKITA SHIGEOMATSUMURA KIMIOMORO KUNIOYAMAGUCHI USABUROUTAKANO MASAYUKI
    • F25D23/06F25D17/08
    • PURPOSE:To devise to change the rate of capacities between a freezing and a refrigerating chamber by fixing a partition plate in an inner box by means of fixtures to be fitted to the rib of the inner box on one side and to the partition plate on another side. CONSTITUTION:When a switching damper 30 is operated to open a passage 28, a cold air blowoff part 24 is closed. Cold air is mainly conducted through a duct plate 13 into a freezing chamber 5, and the remainder is returned to a cooler through a passage 26, a compressing chamber 25, and the passage 28. The cold air in the freezing chamber 5 is sent into a cold air passage 21 through a cold air suction port 20, and distributed by a damper thermostat 23; it is on one way returned to the cooler 11 through the compressing chamber 25, and the passage 28, and the cold air introduced into a passage 22 is returned to the cooler 11 through a suction port 20 after giving a refrigerating chamber temperature to a freezing-refrigerating chamber 6, which is used as a refrigerating chamber. Similarly, the freezing-refrigerating chamber 6 can be used as a freezing chamber by the operation of the lever 30. A partition plate can be easily equipped by fitting rails 40 and 41 to ribs 36a and 36b.