Defroster for heat exchanger and fabrication method thereof

Details Defroster for heat exchanger and fabrication method thereof Defroster for heat exchanger and fabrication method thereof

2006-04-18

2006-04-18

Hoang, Tu (Department: 3742)

Electric heating

Heating devices

With heater-unit housing, casing, or support means

C219S203000, C219S522000, C219S543000, C165S064000

Reexamination Certificate

active

07030344

ABSTRACT:
A defroster for a heat exchanger includes a heat transfer plate on the heat exchanger; a thin film heater arranged on the heat transfer plate; and a power supply wire connected to the film heater for supplying power to the film heater. The defroster can be fabricated by forming a masking layer with a certain shape on an electrically resistant substrate; patterning a thin film heater on the substrate based on the shape of the masking layer; adhering the film heater to a heat transfer plate; and connecting a power supply to the film heater. Accordingly, it is possible to improve a defrosting performance of the heat exchanger and use an environment-friendly, alternative refrigerant with the relatively, low temperature defroster of the heat exchanger.

REFERENCES:
patent: 5354966 (1994-10-01), Sperbeck
patent: 5475204 (1995-12-01), Giamati et al.
patent: 5493102 (1996-02-01), Takase et al.
patent: 6266969 (2001-07-01), Malnati et al.
patent: 6504392 (2003-01-01), Fredeman et al.
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patent: 10-96846 (1998-04-01), None
patent: WO 03/008880 (2003-01-01), None

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