Prevention of ice formation by applying electric power to a...

Details Prevention of ice formation by applying electric power to a... Prevention of ice formation by applying electric power to a...

2005-01-25

2005-01-25

Van, Quang T. (Department: 3742)

Electric heating

Capacitive dielectric heating

Specific heating application

C244S13400A

Reexamination Certificate

active

06847024

ABSTRACT:
A first electrode is separated from a second electrode by an interelectrode space. The interelectrode space does not exceed 3 mm, and preferably does not exceed 100 μm. Liquid water fills the interelectrode space, thereby electrically connecting the first electrode and the second electrode. A power supply, preferably low-frequency AC, is connected to the first and second electrodes, generating a current through the water in the interelectrode space. The applied electric power prevents freezing of a thin liquid water layer in the interelectrode space, thereby preventing ice formation.

REFERENCES:
patent: 4376598 (1983-03-01), Brouns et al.
patent: 4651825 (1987-03-01), Wilson
patent: 5012868 (1991-05-01), Bridges
patent: 5330291 (1994-07-01), Heath et al.
patent: 5586213 (1996-12-01), Bridges et al.

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