Frostless heat exchanger and defrosting method thereof

Details Frostless heat exchanger and defrosting method thereof Frostless heat exchanger and defrosting method thereof

2006-01-24

2006-01-24

Tanner, Harry B. (Department: 3744)

Refrigeration

Processes

Defrosting or frost inhibiting

C062S282000, C165S133000

Reexamination Certificate

active

06988374

ABSTRACT:
A frostless heat exchanger used for an air-source system, comprises: an antifreezing solution supplying device for applying an antifreezing solution having a freezing point lower than a surface temperature of the heat exchanger on a surface of the heat exchanger to form a thin solution film on the surface of the heat exchanger in order to prevent formation of frost on the surface of the heat exchanger when the surface temperature of the heat exchanger drops below a freezing point of water (0° C.), so that the vapor is removed in such a manner that a highly concentrated antifreezing solution and the vapor are mixed together before the vapor becomes a supersaturated liquid and then grows to a frost crystal nucleus.

REFERENCES:
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patent: 2686407 (1954-08-01), Zellner
patent: 2776166 (1957-01-01), Mendelson
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patent: 3854302 (1974-12-01), Masuda
patent: 5031413 (1991-07-01), Tsuihiji et al.
patent: 1999-005704 (1999-01-01), None
patent: 10-0335380 (2002-04-01), None

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