Gas separation: apparatus – Electric field separation apparatus – With control means responsive to sensed condition
Patent
1995-06-01
1996-11-26
Chiesa, Richard L.
Gas separation: apparatus
Electric field separation apparatus
With control means responsive to sensed condition
96 82, 96 92, 96 96, 96 97, 96 98, B03C 341, B03C 368
Patent
active
055781128
ABSTRACT:
An apparatus for ionizing air to remove particulate matter. The apparatus including an ionizer and a bracket for mounting the ionizer in a duct or enclosure. The ionizer includes a series of electrodes which span a portion of the duct. The electrodes are energized by a high voltage circuit and an ionic wind is created between the electrode and duct. The ionic wind sweeps particles in the air to the duct which provides a collector electrode. In another embodiment, a ring collector electrode is also provided for spanning the inner portion of the duct. The high voltage circuit includes a DC power supply, a high voltage transformer, a high voltage multiplier stage and a push-pull switching circuit. The DC power supply receives AC power and generates a DC output which is coupled to the primary of the transformer. The push-pull switching circuit produces a controlled and efficient AC output in the transformer by alternately switching the primary winding. The output voltage from the secondary winding is further increased by the multiplier stage to a level sufficient to energize the electrodes and produce the ionic wind.
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999520 Ontario Limited
Chiesa Richard L.
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