Ion generating apparatus

Details Ion generating apparatus Ion generating apparatus

2004-08-24

2008-08-05

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

C361S231000

Reexamination Certificate

active

07408562

ABSTRACT:
A head2has a through hole7into which compressed air is supplied and flows, and a discharge electrode11is disposed inside the through hole7. When a voltage required for discharging is applied to the head2made of a conductor and the discharge electrode11, a corona C is generated at a tip end11aof the discharge electrode11, whereby flowing air is ionized. By a cylindrical housing tube portion17made of an insulator and receiving most of the discharge electrode11and a tapered guide portion (transfer fluid guiding member)18formed at a downstream-side end thereof, an air flow is biased and guided on a side of an outer circumference thereof so as not to rush directly against the corona generating region. Thus, even when air supply pressure is increased, an ion balance can be stabilized without almost changing pressure or a flow rate in the corona generating region.

REFERENCES:
patent: 6508982 (2003-01-01), Shoji
patent: 2006/0232908 (2006-10-01), Izumi et al.
patent: 2003-135138 (2003-05-01), None
Machine-generated translation of JP 2003-135138 cited in the IDS filed on Mar. 1, 2006.

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