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    • 4. 发明申请
    • REFRIGERATING APPARATUS
    • 制冷设备
    • US20110154840A1
    • 2011-06-30
    • US12976332
    • 2010-12-22
    • Kazuhiko MiharaHidetaka SasakiSetsu HasegawaKen KawakuboMasahisa Otake
    • Kazuhiko MiharaHidetaka SasakiSetsu HasegawaKen KawakuboMasahisa Otake
    • F25B49/00
    • F25B9/008F25B1/10F25B31/004F25B45/00F25B2309/061F25B2339/047F25B2347/021F25B2400/075F25B2400/13F25B2400/16F25B2600/17F25B2700/2106
    • An object of the present invention is to keep an appropriate amount of a refrigerant to be circulated through a refrigerant circuit and prevent an overload operation of compression means due to high pressure abnormality in a refrigerating apparatus which obtains a supercritical pressure on a high pressure side. The refrigerating apparatus which obtains the supercritical pressure on the high pressure side comprises a refrigerant amount regulation tank connected to the refrigerant circuit on the high pressure side via a communicating circuit; a communicating circuit which connects the upper part of this tank to a medium pressure region of the refrigerant circuit; a communicating circuit which connects the lower part of the tank to the medium pressure region of the refrigerant circuit; an electromotive expansion valve of the communicating circuit; an electromagnetic valve of the communicating circuit; an electromagnetic valve of the communicating circuit; and control means for controlling these valves to collect a refrigerant circulated through the refrigerant circuit in the tank and discharging the refrigerant to the refrigerant circuit.
    • 本发明的目的在于,通过制冷剂回路保持合适量的制冷剂循环,防止在高压侧获得超临界压力的制冷装置中由于高压异常引起的压缩装置的过载运转。 获得高压侧的超临界压力的制冷装置包括通过连通回路与高压侧的制冷剂回路连接的制冷剂量调节槽; 连接该容器的上部与制冷剂回路的中压区域的连通回路; 一个连通电路,其连接箱的下部与制冷剂回路的介质压力区; 连通电路的电动膨胀阀; 所述通信电路的电磁阀; 所述通信电路的电磁阀; 以及控制装置,用于控制这些阀以收集循环通过储罐中的制冷剂回路的制冷剂并将制冷剂排放到制冷剂回路。
    • 5. 发明授权
    • Refrigerating apparatus
    • 制冷装置
    • US09353976B2
    • 2016-05-31
    • US12976332
    • 2010-12-22
    • Kazuhiko MiharaHidetaka SasakiSetsu HasegawaKen KawakuboMasahisa Otake
    • Kazuhiko MiharaHidetaka SasakiSetsu HasegawaKen KawakuboMasahisa Otake
    • F25B41/00F25B23/00F25B1/04F25B9/00F25B31/00F25B45/00F25B1/10
    • F25B9/008F25B1/10F25B31/004F25B45/00F25B2309/061F25B2339/047F25B2347/021F25B2400/075F25B2400/13F25B2400/16F25B2600/17F25B2700/2106
    • An object of the present invention is to keep an appropriate amount of a refrigerant to be circulated through a refrigerant circuit and prevent an overload operation of compression means due to high pressure abnormality in a refrigerating apparatus which obtains a supercritical pressure on a high pressure side. The refrigerating apparatus which obtains the supercritical pressure on the high pressure side comprises a refrigerant amount regulation tank connected to the refrigerant circuit on the high pressure side via a communicating circuit; a communicating circuit which connects the upper part of this tank to a medium pressure region of the refrigerant circuit; a communicating circuit which connects the lower part of the tank to the medium pressure region of the refrigerant circuit; an electromotive expansion valve of the communicating circuit; an electromagnetic valve of the communicating circuit; an electromagnetic valve of the communicating circuit; and control means for controlling these valves to collect a refrigerant circulated through the refrigerant circuit in the tank and discharging the refrigerant to the refrigerant circuit.
    • 本发明的目的在于,通过制冷剂回路保持合适量的制冷剂循环,防止在高压侧获得超临界压力的制冷装置中由于高压异常引起的压缩装置的过载运转。 获得高压侧的超临界压力的制冷装置包括经由连通回路与高压侧的制冷剂回路连接的制冷剂量调节槽, 连接该容器的上部与制冷剂回路的中压区域的连通回路; 一个连通电路,其连接箱的下部与制冷剂回路的介质压力区; 连通电路的电动膨胀阀; 所述通信电路的电磁阀; 所述通信电路的电磁阀; 以及控制装置,用于控制这些阀以收集循环通过储罐中的制冷剂回路的制冷剂并将制冷剂排放到制冷剂回路。
    • 7. 发明申请
    • REFRIGERATING APPARATUS
    • 制冷设备
    • US20100186604A1
    • 2010-07-29
    • US12652431
    • 2010-01-05
    • Masahisa OtakeSetsu HasegawaKen KawakuboHidetaka Sasaki
    • Masahisa OtakeSetsu HasegawaKen KawakuboHidetaka Sasaki
    • A23C3/04F25B1/00F25D17/02F25C1/00
    • F25B29/003F25B2309/061F25B2600/2513F25D31/002
    • An object is to provide a refrigerating apparatus which eliminates a disadvantage that a refrigerant circuit is overloaded and which can safely be operated. The refrigerating apparatus includes a control unit which starts the operation of a refrigerant compressor of the refrigerant circuit in response to an operation signal and which regulates an expansion valve so that the temperature of a refrigerant in a water heat exchanger becomes +80° C. or more and so that the temperature of the refrigerant in an evaporator becomes 0° C. or less. The control unit detects a state of a case where a cold storage amount in an ice cold storage tank of an ice cold storage unit reaches a predetermined amount or more and a state of a case where the control unit judges that a hot water storage tank is full of hot water, after the elapse of a predetermined time from the start of the operation of the compressor, and stops the operation of the compressor when one of the states is satisfied.
    • 本发明的目的是提供一种消除制冷剂回路过载并可安全操作的缺点的制冷装置。 制冷装置包括:控制单元,其响应于操作信号开始制冷剂回路的制冷剂压缩机的运转,并调节膨胀阀,使得水热交换器中的制冷剂的温度变为+ 80℃,或者 并且使蒸发器中的制冷剂的温度变为0℃以下。 控制单元检测在冰蓄冷单元的冰冷库中的冷藏量达到预定量以上的情况以及控制单元判断为蓄热水箱的情况的状态 在从压缩机的运行开始经过预定时间之后,充满热水,并且当其中一个状态满足时停止压缩机的操作。