Refrigeration – Gas controller or director – Cooled gas directed relative to cooled enclosure
Reexamination Certificate
2005-11-17
2008-03-11
Ali, Mohammad M. (Department: 3744)
Refrigeration
Gas controller or director
Cooled gas directed relative to cooled enclosure
C062S440000
Reexamination Certificate
active
07340916
ABSTRACT:
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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Ali Mohammad M.
Park John K.
Park Law Firm
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