| CPC F25C 5/08 (2013.01) [F25C 1/04 (2013.01); F25C 2400/14 (2013.01); F25C 2600/04 (2013.01); F25C 2700/12 (2013.01)] | 20 Claims |
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1. An ice maker comprising:
a tray body that comprises a plurality of chamber walls that are configured to define a plurality of ice chambers;
a first heater configured to supply heat to the plurality of ice chambers during an ice-making process;
a second heater configured to supply heat to the plurality of ice chambers during an ice-separation process;
a water supply configured to supply water to the plurality of ice chambers;
a temperature sensor configured to sense a temperature of at least one of the plurality of ice chambers; and
a controller configured to control the first heater and the second heater,
wherein the controller is configured to:
control the first heater to output one or more levels of power to thereby heat the plurality of ice chambers during the ice-making process according to the temperature sensed by the temperature sensor,
control the first heater to vary the one or more levels of power during the ice-making process according to the temperature sensed by the temperature sensor,
control the first heater to stop outputting the one or more levels of power during a predetermined time period, and
control the second heater to start the ice-separating process after the predetermined time period.
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