摘要 |
An electrostatic filter (10) utilizes two separate filter cartridges (42, 44) in a parallel flow configuration with respect to incoming dielectric fluid containing particulates. Each cartridge is connected to opposite sides of a high voltage power supply (100), resulting in the electrodes (50) contained in one of the cartridges having an opposite polarity than the electrodes (60) contained in the other cartridge. This, in turn, results in having the fluid born particulates exiting one cartridge being charged oppositely to those exiting the other. The fluid streams exiting the two cartridges are joined together, allowing the particulates to flocculate. These larger groupings of particulates may then be mechanically filtered in a third cartridge (46). The parallel flow configuration results in an electrostatic filter that is relatively insensitive to water contained in the dielectric fluid.
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