Refrigerator with no-frost freezer
AssigneeWhirlpool Corporation
InventorsCAROLINA BIOTTI, RAMEET SINGH GREWAL, MATTEO LUCIANO VANELLI
Life of this patent
Estimating the term…
Abstract
A refrigeration appliance comprises a freezer compartment in which air cooled by an evaporator is circulated by a fan and a thermoelectric device having a hot side in heat exchange relationship with the evaporator or with the freezer compartment and a cold side in heat exchange relationship with air within at least a portion of the freezer compartment in order to reduce temperature oscillations in the freezer compartment or in said portion thereof during evaporator defrost cycle.
Claims20
Refrigeration appliance comprising:
- a freezer compartment in which air cooled by an evaporators is circulated by a fan;
- at least one thermoelectric device having a hot side in thermal communication with the evaporator and a cold side in thermal communication with air within at least a portion of the freezer compartment in order to reduce temperature oscillations the portion during evaporator defrost.
Refrigeration appliance according to claim, further comprising an auxiliary heater for defrost.
Method for decreasing freezing burns in food items contained in a freezer compartment comprising:
- heating the evaporator (12) during a defrost phase with the help of a hot side of a thermoelectric device;
- utilizing a cold side of the thermoelectric device to reduce temperature oscillations within the freezer compartment.
A refrigerator comprising:
- an evaporator;
- a freezer compartment;
- a water reservoir disposed in the freezer compartment containing a quantity of water in liquid state;
- a first thermoelectric device comprising a hot side and a cold side, wherein the hot side of the first thermoelectric device is in thermal communication with the evaporator and a cold side in thermal communication with the freezer compartment;
- a second thermoelectric device comprising a hot side and a cold side, wherein the hot side is in thermal communication with the water reservoir;
Dependencies are inferred from the claim text.