Holding cabinet with closed-loop humidity control system and method for controlling humidity in a holding cabinet
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United States of America Patent
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Dec 21, 2004
Grant Date -
Jun 26, 2003
app pub date -
Sep 24, 2002
filing date -
Sep 28, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A holding cabinet with closed-loop humidity control system and method for controlling humidity in a holding cabinet are disclosed. According to an embodiment, the method comprises determining a relative humidity set point; activating a heater in a fluid pan; determining if a fluid is present in the fluid pan; measuring the relative humidity in the cabinet; and maintaining the relative humidity within a predetermined range. According to another embodiment, a holding cabinet with a closed-loop humidity control system includes a holding cabinet; an air temperature probe for measuring an air temperature within the holding cabinet; a humidity sensor for measuring a humidity within the holding cabinet; a heater for heating air within the holding cabinet to a predetermined temperature; an air fan for circulating the air and for introducing air from outside the holding cabinet; and a water pan for holding water within the holding cabinet.
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