Dual-dipole electrostatic air filter

Details Dual-dipole electrostatic air filter Dual-dipole electrostatic air filter

1988-08-09

1990-02-20

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55103, 55155, 55131, 55486, 55528, 55DIG31, 55DIG45, B03C 302

Patent

active

049023063

ABSTRACT:
A filter assembly (10) for removing particulate matter from air forced therethrough comprises two pairs of oppositely charged woven electrostatic filtering material. Each pair of electrostatic filtering material comprises a positively charged and a negatively charged layer (22, 24, 28 and 30). An open cell foam layer (26) is disposed between the two pairs. Metal grids (20,32) enclose the filtering elements.

REFERENCES:
patent: 2597927 (1952-05-01), Endres
patent: 2804937 (1957-09-01), Poole
patent: 3237387 (1966-03-01), Haugen et al.
patent: 3307332 (1967-03-01), Grace et al.
patent: 3449094 (1969-06-01), Baxt et al.
patent: 3487610 (1970-01-01), Brown et al.
patent: 4115082 (1978-09-01), Newell
patent: 4185972 (1980-01-01), Nitta et al.
patent: 4323374 (1982-04-01), Shinagawa et al.
patent: 4518402 (1985-05-01), Dargel
patent: 4749390 (1988-06-01), Burnett et al.
Frederick E. R., How Dust Filter Selection Depends on Electrostatics Chem. Engr., 6/26/61, pp. 107-114.
"Self-Charging Electrostatic Air Filters", W. T. Van Orman and H. A. Endres, Heating, Piping & Air Conditioning, Jan. 1952.

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