Electricity: electrical systems and devices – Electric charging of objects or materials – Particulate matter
Patent
1976-10-04
1980-02-26
Lutter, Frank W.
Electricity: electrical systems and devices
Electric charging of objects or materials
Particulate matter
55107, 239706, B05B 502, B03C 316
Patent
active
041908759
ABSTRACT:
A compact apparatus for removing harmful particulate contaminants from the air in a work space includes a nozzle for atomizing water. The nozzle is connected to a supply of compressed air and to a supply of water, e.g., an ordinary water tap or storage tank. The apparatus also includes a metal ring and a power supply coupled to the ring to charge atomized water inductively as the water is expelled from the nozzle. A collar supports the ring in fixed, spaced-apart relation adjacent the nozzle. The collar is constructed, at least in part, from a non-conductive plastic, such as nylon, to avoid shorting of the power supply. Additionally, the collar includes a compressed air supply passage for introducing a stream of air into the collar. This air flows past the nozzle and the ring to prevent accumulation of water on the ring and collar and the electrical shorting which may result therefrom. Additionally, the stream of air minimizes degradation of the electrical charge on the fog of atomized water which would otherwise result from the addition thereto of oppositely charged water particles originating from the accumulation of water on the ring.
REFERENCES:
patent: 2302185 (1942-11-01), Campbell, Jr.
patent: 2302289 (1942-11-01), Bramston-Cook
patent: 3210008 (1965-10-01), Liedberg et al.
patent: 3326182 (1967-06-01), Inoue
patent: 3476319 (1969-11-01), Thatcher
patent: 3606972 (1971-09-01), Ferrant
patent: 3698635 (1972-10-01), Sickles
patent: 3729898 (1973-05-01), Richardson
Hoenig Stuart A.
Smart William L.
Lacey David L.
Lutter Frank W.
The Ritten Corporation, Ltd.
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