B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
183/49
B03C 3/14 (2006.01) B03C 3/12 (2006.01) B03C 3/40 (2006.01)
Patent
CA 1204391
ABSTRACT OF THE DISCLOSURE An air cleaning apparatus produces by a corona discharge an air stream without mechanical section and removes impurity particles or contaminated particles contained in the air in the flowing course. The apparatus has a plurality of duct collecting panel electrodes alternately arranged oppositely to each other at a predetermined interval to become air flow passages, corresponding panel electrode group, and a number of ionizing wires extending at the position isolated from the ends of the electrodes. A value of voltage applied between the corresponding panel electrodes and the duct collecting panel electrodes is set to substantially one-second of the value of voltage applied between the ionizing wires and the dust collecting panel electrodes, and the length of the intervals between the correspondig panel electrodes and the dust collecting panel electrodes is determined to become a predetermined potential gradient in response to the value of the voltage applied between both the panel electrodes, thereby generating a corona discharge between the dust collecting panel and the ionizing wire to improve the dust collecting efficiency. The dust collecting panel electrodes and the corresponding panel electrodes are treated with an ozone decomposition accelerating noble metal plating layer. Activated charcoal ozne decomposing filter is arranged in the air stream outlet, thereby reducing the ozone flow rate. Further, this apparatus has another second ionizing wires installed at a predetermined distance from the first ionizing wires substantially on extension lines from the respective dust collecting panel electrodes at the further outside position from the position of arranging the first ionizing wires. Corona discharge is also produced between the first ionizing wires and the second ionizing wires, thereby increasing the treating air flow rate to improve the air cleaning efficiency in the room.
430372
Gowling Lafleur Henderson Llp
Kawashima Ryozo
Nichiele Corporation
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