Aerosol charge altering device

Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge

Reexamination Certificate

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Reexamination Certificate

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07031133

ABSTRACT:
The invention relates to a device for charging or adjusting the charge of gas-borne particles into a defined charge distribution under utilization of corona discharge in the aerosol space. In addition to an appropriate geometry of the charger and the electrodes, the voltage waveform and the voltage regulation are of great significance for the result. The application further relates to a method for operating the device.

REFERENCES:
patent: 4417293 (1983-11-01), Larigaldie
patent: 4617483 (1986-10-01), Marks
patent: 4837440 (1989-06-01), Burtscher et al.
patent: 5214386 (1993-05-01), Singer et al.
patent: 5504563 (1996-04-01), Hays
patent: 5973904 (1999-10-01), Pui et al.
patent: 6145391 (2000-11-01), Pui et al.
patent: 6482253 (2002-11-01), Dunn

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