Electrostatic precipitator with means for the enhanced charging and collection of fine particles

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United States of America Patent

PATENT NO 4778493
SERIAL NO

06856490

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrical precipitator which uses a combination of field charging, diffusion charging, and electron charging for the enhancement of fine particle charging and collection. A precipitator is described for the collection of fine particles of less than 1.0 micron in diameter from an effluent by enhancing the charge thereon by electrons of high kinetic energy. Another feature of the invention describes a precharging stage which can be added to the electron charging stage, or other conventional precipitator stage, that operates the basis of ion bombardment or diffusion of thermally active ions. The precharging stage charges the fine particles and they can later be increased in charge and precipitated by the electron charging stage. Another feature of the invention describes disposing a conventional stage for coarse particulates over 1.0 micron in diameter between the diffusion charging stage and the electron charging stage.

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Patent Owner(s)

Patent OwnerAddress
MAXWELL LABORATORIES INC8888 BALBOA AVENUE SAN DIEGO CA 92123

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Drummond, James E Oceanside, CA 19 440
Fitch, Richard A La Jolla, CA 4 67

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