Electrostatic filtering device

Details Electrostatic filtering device Electrostatic filtering device

1985-04-10

1986-11-04

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204188, 210748, B01D 3506, B03C 502

Patent

active

046209174

ABSTRACT:
Carbon particles are effectively removed from contaminated lubricating oil, for example, in a diesel engine by an electrostatic filtering device comprising a porous dielectric inserted between positive and negative electrodes in a container into which the contaiminated lubricating oil in introduced. In particluar, in the preferred embodiment the spaced parallel electrodes sandwich a porous dielectric film for collecting particles and a porous spacer which is disposed between the porous dielectric film and one of the electrodes. The pores of the porous spacer have a size which is considerably larger than that of the pores of the particle-collecting film.

REFERENCES:
patent: 3324026 (1967-06-01), Waterman et al.
patent: 3445376 (1969-05-01), Stenzel
patent: 3567619 (1971-03-01), Brown
patent: 3891528 (1975-06-01), Griswold

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