Instrument for air ionization

Details Instrument for air ionization Instrument for air ionization

1978-02-06

1979-02-13

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Electric charge generating or conducting means

361231, H01T 1900

Patent

active

041398793

ABSTRACT:
An air ionizer is provided of the type in which a corona discharge is produced at the point of a sharp `needle` by connecting it to a source of high potential. One or more needles, mounted in an insulator, point in a direction opposite to the eventual flow of air ions. At ions emitted from the point of the needle are reflected by a reflector. The reflector may comprise a sheet of insulating material or an electrically conductive material, e.g. a metal, mounted on insulators. The reflector may be provided with perforations for the passage of air therethrough such that the ionizer may, with advantage, be placed in a moving air stream. The insulator on which the needle(s) is or are mounted may comprise a polythene cable or a printed circuit board.

REFERENCES:
patent: 2925534 (1960-02-01), Ferguson, Jr.
patent: 3581149 (1971-05-01), Tanaka et al.
patent: 3880514 (1975-04-01), Kuehnle
patent: 3968405 (1976-07-01), Testone

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