| 摘要 |
A pressure equalizing device for refrigerators, having a chamber, a door on the front wall of the chamber, an evaporator, and an evaporator defrost heater, is provided. The pressure equalizing device includes a pressure relief valve, an installation hole, and a deicing device for the pressure relief valve. The pressure relief valve connects the inside and outside of the chamber, and includes an inner end and an outer end. The installation hole is perforated on one of the walls of the chamber. The pressure relief valve equalizes the pressure inside and outside of the chamber to facilitate the opening of the door. The pressure relief valve includes an operation switch, and the operation switch is activated by the opening of the door. The pressure relief valve is disposed over deicing device, and the deicing device melts ice formed on the inner end of the pressure relief valve.
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