Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1993-12-06
1994-12-27
Bennet, Henry A.
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
F24F 100
Patent
active
053754212
ABSTRACT:
A portable dehumidifier includes: a housing having an upper housing portion and a base portion positioned below the upper housing portion, at least a thermoelectric cooler formed as thermopile by connecting in series one plurality of thermocouples each thermocouple consisting of a p-type semiconductor and a n-type semiconductor electrically connected between two poles of a direct-current power supply to produce a cold junction and a hot junction on a front and a rear sides of the thermoelectric cooler, a heat-dissipating device secured to a hot junction of the thermoelectric cooler for dissipating heat from the hot junction, an exhausting fan for drawing moisture-laden air through the thermoelectric cooler and the heat-dissipating device to condense moisture laden in the air by the cooler, a condensate collector having a water-reservoir drawer slidably held in the base portion to collect the water drops drained from the cooler for disposal of the condensed water from the air, and a timing controller for sequentially alternately switching on and off the power supply to the cooler, whereby upon powering of the thermoelectric cooler, the moisture laden in the air will be condensed, frosted or frozen on the cold junction, while upon switching off of the power supply to the cooler, the cold junction of the cooler will become warmer to drain the condensed water to be collected in the condensate collector.
REFERENCES:
patent: 3050948 (1962-08-01), Jones
patent: 3126710 (1964-03-01), Boehmer et al.
patent: 5119640 (1992-06-01), Conrad
patent: 5237821 (1993-08-01), Okumura et al.
patent: 5279128 (1994-01-01), Tomatsu et al.
Bennet Henry A.
Doerrler William C.
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