The compressor is typically found along the bottom of the refrigerator, towards the back. <> This is the series of articles that describes various important parts of the refrigerators and air-conditioners.

The essential function of refrigerators is to use the evaporation of a liquid (refrigerant) to absorb heat.

But the use is limited due to the high cost.The compressor unit is mounted on the rear side of the refrigerator.The compressor motor capacity ranges from 1/8 to 1/4 HP depending upon the size of the refrigerator.The starting relay also has overload protection to protect the compressor motor against higher current due to low voltage or tripling of the power supply.In normal refrigerators, a condenser is installed on the rear side. Refrigerators, in some ways, have changed quite a bit since 1835, when the “father of the refrigerator” (Jacob Perkins) received a patent for a vapor-compression cycle. Marbach, William D. "Now, An Icebox That's Cool for the Environment." The evaporator takes the refrigerant liquid, vaporizes it and returns it to the compressor. Parts of a refrigerator. endobj Refrigerator-Definition, Main Parts or Component, Working Principle, Advantages, Disadvantages, Application, PDF.

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The highest temperature would raise the condensing temperature and reduced cooling capacity of the coil.Hot food should not be placed in the refrigerator. The pressure-enthalpy chart plots the To pull off this frosty feat, a refrigerator … This article describes the important parts of a refrigerator and also their working. 6 0 obj Its distinguishable by its large copper coils, and you can find them along the bottom or at the back of your unit.This cooling process then shifts to the expansion valve, which is a thin set of copper tubes. Refrigerant is truly the lifeblood of a refrigerator. The air circulation is by natural convection.In the Frost free refrigerators, the condenser tube is on the inside of the outer cabinet of the refrigerator.This arrangement prevents condensation on the outer cabinet in humid condition. 2 0 obj Gas absorption models have coils on the back (the cooling unit) and are capable of operating on LP/ propane. The condenser has large copper coils and is usually at the back of the fridge.

�1��� ���EI�2̈́:��/ ����M�0���RCZ@�[x�&jHL�k��a~���3���x+�K� If one component breaks down, the entire process is halted.At the bottom and back of the fridge lies the compressor, which is where it all begins. The main component of a refrigerator that needs power is the compressor. 3 0 obj A diagram of a typical vapor-compression refrigeration cycle can be superimposed on a pressure-enthalpy (P-h) chart to demonstrate the function of each component in the system.

?�!�7�k{�90��Q �Β�5�ƺ�G5��)�GM��U\3��ry|�ܠ��g��1����Rd���$�Y���%� Hot food in the refrigerator raises the evaporated temperature causing overloading of the compressor.During the opening of the refrigerator, cold air leaks out at the bottom and warm air enters at the top. Norcold Parts by Norcold Refrigerator Model. Hunker may earn compensation through affiliate links in this story. Main Working Parts of a Refrigerator The main working parts of a refrigerator include: a compressor, a condenser, an evaporator, an expansion valve, and refrigerant. The thinner copper tube set is the expansion valve, which lowers the temperature of the liquid refrigerant and decreases the pressure.

Built-in refrigerator systems often carry the compressor on top for ease of access.The refrigerant is HFC 134a compound that replaced freon. The humming appliance in home kitchens, offices and hotel rooms around the country continuously transfer heat to keep your favorite foods at the correct temperature. The main working parts of a refrigerator include: a compressor, a condenser, an evaporator, an expansion valve, and refrigerant.Refrigerant is truly the lifeblood of a refrigerator. The pressure pushes the refrigerant into the coils outside that are exposed to the air, and warm air is replaced by cooler air. /PageMode /UseNone <> They are not able to multiply fast enough to damage cells present in our foods and drinks.Therefore, our food and drinks could be preserved over a long duration.In the System, the bacteria and fungi become inactive under extremely lower temperatures.For medical use, items such as blood and vaccines are stored in it for preservation.For Scientific use, experimental samples are stores in it.Used for making ice and ice-creams apart from storage of food.Many drugs which are to be kept away from direct sunlight and heat like insulin are also stored in refrigerators for longevity.The refrigerator should be placed at least 15 cm from the wall. /Font <> 7�D�hKl��h��L�S��0��`z�7��̎赒I��ld|���ej���6X"|f_��,�i�ή��20؉W�C��o _��ppn@^��ov� Murray, Charles J. When the hot gas in the coils meets the cooler air temperature of the kitchen, it becomes a liquid. What Are the Main Working Parts of a Refrigerator? The thermostat controls the temperature of the fridge by switching on-and-off the compressor. endobj It starts in the form of a gas, then a liquid, and back to a gas as it cycles through the refrigerator’s parts. Most modern refrigerators now use a compound called HFC 134a.The refrigerator cooling process begins in the compressor. Compressor: The compressor literally compresses refrigerant to increase the pressure of the vapor. Accessories will help you to decorate and take full utilization of refrigerator. Business Week. The compressor, condenser, evaporator and expansion valve work together to turn the refrigerant from its original gas form into a liquid and then into vapors. "Plastic Welding Technique Aids Refrigerator Assembly: Special Parts Replace Metal Anchors on Refrigerator Liners." The cool running of a refrigerator relies on the harmonious relationship of all of its parts.

The domestic refrigerator is one found in almost all homes for storing food, vegetables, fruits, beverages, and much more.

While modern refrigerators certainly have more features and capabilities, many of the essential components and functions have amazingly stayed the same. July, 1992, p. 30.

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