Thermoelectrically cooled mold for production of clear ice
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United States of America Patent
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May 16, 2017
Grant Date -
Mar 24, 2016
app pub date -
Nov 25, 2015
filing date -
Dec 13, 2012
priority date (Note) -
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Abstract
An ice maker has a mold with a first piece and a second piece. A cavity within the mold includes a first reservoir in the first piece and a second reservoir in the second piece that align to substantially enclose the cavity. A fluid intake aperture in the first piece extends to the cavity for injecting water therein. A thermoelectric device has a cold side thermally coupled to the exterior surface of the second piece. The thermoelectric device transfers heat from the cold side to a hot side to provide a first temperature to the mold. A removable cooling source is thermally coupled to the hot side of the thermoelectric device. The cooling source is configured to reduce the temperature of the hot side to allow the cold side to provide a second temperature that is cooler than the first temperature to freeze the water in the cavity.
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