Electrostatic dust filter

Details Electrostatic dust filter Electrostatic dust filter

1974-05-02

1976-06-29

Lutter, Frank W.

Gas separation

Means within gas stream for conducting concentrate to collector

55138, 55150, 55154, B03C 300

Patent

active

039664350

ABSTRACT:
An electrostatic dust filter is provided for collecting electrically-charged dust particles which are deposited on fabric filter elements in an electric field so that the particles deposit in porous layers. The dust particles are charged in a manner to provide a mixture of particles charged with opposite polarities, and adjacent filter members are maintained at opposite polarities. Unidirectional electric fields thus exist between adjacent filter elements and the dust particles deposit on one or the other filter element according to their polarity. A relatively simple structure is provided which requires no separate electrodes to maintain the electric field.

REFERENCES:
patent: 2067822 (1937-01-01), Biederman
patent: 2701621 (1955-02-01), Sprague
patent: 2924293 (1960-02-01), Sprague
patent: 3154682 (1964-10-01), Hartz et al.
patent: 3375638 (1968-04-01), Dungler
patent: 3616606 (1971-11-01), Vincent
patent: 3733784 (1973-05-01), Anderson et al.

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