Electric lamp and discharge devices – With positive or negative ion acceleration
Patent
1982-12-02
1985-12-17
Moore, David K.
Electric lamp and discharge devices
With positive or negative ion acceleration
313309, 313351, 417 48, H05H 502
Patent
active
045594678
ABSTRACT:
An ion-generator for producing an air flow includes a plurality of rectangularly shaped plate electrodes spaced from one another and respectively lying in planes parallel to the direction of the air flow, such plate electrodes extending perpendicularly to the direction of the air flow, the edge of each plate electrode facing upstream being rounded. There is a plurality of rows of needle electrodes disposed upstream of the plate electrodes and extending perpendicularly to the direction of the air flow, such rows of needle electrodes being respectively associated with and oriented towards the gaps between the plate electrodes, the tips of all the needle electrodes being disposed in a plane perpendicular to the direction of the air flow. There is an electrically conductive rod-shaped support for each row of needle electrodes, such rod-shaped supports being arranged parallel to the rounded edges of the plate electrodes. An electrically insulating material covers each rod-shaped support and its associated row of needle electrodes except for the tip of each needle electrode. The plate electrodes are connected to one terminal of a high-voltage d.c. source; and the rod-shaped supports are connected to the other terminal of such d.c. source.
REFERENCES:
patent: 2316901 (1943-04-01), Thomay
patent: 3054553 (1962-09-01), White
patent: 3374941 (1968-03-01), Okress
patent: 3400882 (1968-09-01), McManus
patent: 3751715 (1973-08-01), Edwards
Beckmann Friedrich K.
Dotsch Horst
Gossel Dieter
Moore David K.
Schneider Rolf E.
U.S. Philips Corporation
Wieder K.
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