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    • 2. 发明授权
    • Residential ice machine
    • 住宅制冰机
    • US07281386B2
    • 2007-10-16
    • US11152646
    • 2005-06-14
    • Gregory S. McDougalMichael J. RimrodtRichard A. Abegglen
    • Gregory S. McDougalMichael J. RimrodtRichard A. Abegglen
    • F25C1/12
    • F25C5/187F25B2500/26F25B2600/0251F25B2600/111F25B2600/23F25B2700/21163F25C1/045F25C2400/14F25C2600/02F25C2600/04F25D2400/361
    • An automatic ice making machine includes a refrigeration system comprising a compressor, a condenser, an evaporator and an expansion device; a water system comprising an ice forming surface in thermal contact with the evaporator; and a control system comprising i) an on/off selector that causes the control system to either operate the compressor and water system so that the ice making machine automatically makes ice, or shuts the machine off until manually turned on; and ii) an automatic restart selector that causes the control system to shut down ice making for a predetermined period of time and then automatically resume ice making. Preferred embodiments of the a water system comprise a water filter and the control system comprises a filter change indicator, whereby an indication is displayed after a predetermined condition is reached indicating that the water filter should be replaced. Also, the control system preferably comprises a sensor to determine the temperature of the liquid line and a program that controls operation of the condenser fan during a harvest mode based on the temperature of the liquid line. Further, the preferred control board is changeable so that it can be used to appropriately control different models of ice making machines, with a microprocessor determining different durations of freeze and harvest cycles based on the same sensor temperature, depending on the changed aspect of the control board.
    • 一种自动制冰机包括一个包括压缩机,冷凝器,蒸发器和膨胀装置的制冷系统; 水系统,其包括与所述蒸发器热接触的冰形成表面; 以及控制系统,其包括:i)开/关选择器,其使所述控制系统操作所述压缩机和水系统,使得所述制冰机自动制冰,或者关闭所述机器直到手动接通; 以及ii)自动重启选择器,其使所述控制系统在预定时间段内关闭制冰,然后自动恢复制冰。 水系统的优选实施例包括水过滤器,并且控制系统包括过滤器改变指示器,由此在达到预定条件之后显示指示,表示应该更换过滤器。 此外,控制系统优选地包括用于确定液体管线的温度的传感器和基于液体管线的温度在收获模式期间控制冷凝器风扇的操作的程序。 此外,优选的控制板是可变的,使得其可以用于适当地控制不同型号的制冰机,微处理器基于相同的传感器温度来确定冷冻和收获循环的不同持续时间,这取决于控制的变化的方面 板。