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Solenoids in Appliances |
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Solenoids are used in through-the door ice dispensers. Open Frame solenoids actuate the ice chute door. This door is essentially a flap that opens and allows ice to fall down a chute and exit the ice dispenser. In refrigerators that include an option for crushed ice, a solenoid is sometimes used to engage the ice augur that crushes the ice cubes.
In side by side refrigerator/freezers, a damper is located between both compartments. In order to reduce energy consumption, the damper is opened occasionally allowing some of the colder freezer air to migrate into the warmer refrigerator compartment. A solenoid can be used in this application to actuate the damper.
Solenoids are also used in washing machines and dishwashers. Open Frame solenoids are used to actuate dump valves in both types of appliances. When energized, the solenoid opens a valve and allows waste water to evacuate the appliance. When the solenoid is de-energized, the valve closes so that no water can migrate back into the sanitary cleaning chamber.
Solenoids are also used to engage and dis-engage a brake assembly that is used to stop the tub inside a washing machine after the spin cycle is completed.
Solenoids are also used in ovens. During the self-cleaning cycle, ovens develop very high temperatures in order to emulsify residual grease or food debris inside the oven. A solenoid is used to actuate the levers that lock the oven door closed during cleaning. This function protects a consumer from opening the extremely hot oven and becoming burned.
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