Aerosol detector

Details Aerosol detector Aerosol detector

1974-06-05

1976-01-13

Caldwell, John W.

Communications: electrical

Systems

Call station

178 79, G08B 1710

Patent

active

039328511

ABSTRACT:
An ion current is produced between two spatially separated electrodes by creating a corona discharge about one of these electrodes and causing ions to flow to the other electrode. Aerosols introduced into the region between the two electrodes interact with the flowing ions causing a resultant decrease in ion current. A decrease in ion current is sensed to indicate the presence of aerosols. A reflecting member reflects aerosols towards the electrodes causing a relatively lengthy interaction between the aerosols and the ion current.

REFERENCES:
patent: 2932966 (1960-04-01), Grindell
patent: 3823372 (1974-07-01), Hanson et al.

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