Electrostatic filter construction

Details Electrostatic filter construction Electrostatic filter construction

1984-03-28

1985-11-26

Lacey, David L.

Gas separation

Means within gas stream for conducting concentrate to collector

55146, 55155, B03C 312, B03C 345

Patent

active

045552525

ABSTRACT:
Modern fiber material filters for floating particles remove floating substances from the air or gas flow conducted through them. In addition to the pure screening properties it is electrostatic forces, generated either by the flowing action or by accessory equipment, which make it possible to obtain the high degrees of separation, such as at least 99.97%, for example. An electrostatic filter for floating particles contains an electrode on each of the inlet and discharge sides. The electrostatic field through which the retaining ability is increased is generated by an oppositely polarized voltage. The floating particles filter according to the invention contains an electrode on the discharge side in the form of a metallic vapor deposit on the dielectric, folded filter material. This electrode retains every last floating particle which, above all, are then still located within the filter material itself, so that in case of a power failure, they cannot blow away.

REFERENCES:
patent: 2297601 (1942-09-01), Williams
patent: 2729302 (1956-01-01), True
patent: 3053028 (1962-09-01), Kayko
patent: 3446906 (1969-05-01), Zulauf
patent: 3798879 (1974-03-01), Schmidt-Burbach et al.
patent: 4185972 (1980-01-01), Nitta et al.
patent: 4200440 (1980-04-01), Renko
patent: 4317661 (1982-03-01), Sasaoka et al.

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