Electrostatic filter

Details Electrostatic filter Electrostatic filter

1986-04-22

1988-04-12

Prunner, Kathleen J.

Gas separation

Means within gas stream for conducting concentrate to collector

55132, 55131, 55155, B03C 301, B03C 345

Patent

active

047371692

ABSTRACT:
An improved electrostatic filter particularly for use in high performance clean rooms for the semiconductor industry is achieved by forming a layer of wires in a "plane" having corrugations along an axis perpendicular to the axes of the wires. The "plane" is designed to mate with the corrugations of a mechanical filter placed immediately upstream in the air flow path. Alternate wires of the layer are maintained electrically at opposite polarities to strengthen the fields and the corrugations permit closer movement of particles to the wires without unacceptable constriction of the air flow. A multilayered filter produces attractive field configurations, like those achieved by corrugated single plane filters herein, in the absence of a corrugated geometry.

REFERENCES:
patent: 2571079 (1951-10-01), Warburton
patent: 2847082 (1958-08-01), Roos
patent: 3724174 (1973-04-01), Walkenhorst
patent: 3930815 (1976-01-01), Masuda
patent: 4323374 (1982-04-01), Shinagawa et al.

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