DEVICE FOR PREVENTING ENTANGLING OF ICES IN REFRIGERATOR

PURPOSE: An entanglement preventing device for ices of a refrigerator is provided to smoothly withdraw ices by forwardly and backwardly driving a motor. CONSTITUTION: Upon reaching a defrosting timing, a control unit controls a defrosting heater driving unit to turn on a defrosting heater and remove...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BAE, HUI GYEONG, SHIN, GYU HO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PRODUCING, WORKING OR HANDLING ICE REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: An entanglement preventing device for ices of a refrigerator is provided to smoothly withdraw ices by forwardly and backwardly driving a motor. CONSTITUTION: Upon reaching a defrosting timing, a control unit controls a defrosting heater driving unit to turn on a defrosting heater and remove frost deposited on an evaporator. After defrosting operation, a part of the surface of the ices in the upper portion in an ice container(32) by the defrosting heat. In refrigerating operation thereafter, the ices of which surface is melted are entangles with the surrounding ices. For the refrigerating operation, a step motor(28a) is driven forwardly and backwardly. A step motor driving unit is controlled to mix the ices in the ice container when the ices are entangled with each other. According to forward and backward driving of the step motor, an ice withdrawal coil(34) connected to a motor shaft(28b) rotates clockwise and counterclockwise. Therefore, melted ices are restrained from entangling with the surrounding ices and cubic shape of the ices is kept.