Filter
First Claim
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1. An electrostatic filter comprising:
- a filter medium located between a first and a second electrode, each at a different voltage during use, such that a potential difference is formed across the filter medium, the first and second electrodes being substantially non-porous, wherein the electrostatic filter further comprises at least one corona discharge mechanism, wherein the corona discharge mechanism comprises at least one corona discharge electrode of high curvature and at least one electrode of low curvature.
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Abstract
The present invention relates to an electrostatic filter. Particularly but not exclusively the invention relates to an electrostatic filter for removing dust particles, for example an electrostatic filter for use in a vacuum cleaner, fan or air conditioner. The electrostatic filter includes a filter medium located between a first and a second electrode, each at a different voltage during use, such that a potential difference is formed across the filter medium, the first and second electrodes being substantially non-porous.
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Citations
27 Claims
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1. An electrostatic filter comprising:
a filter medium located between a first and a second electrode, each at a different voltage during use, such that a potential difference is formed across the filter medium, the first and second electrodes being substantially non-porous, wherein the electrostatic filter further comprises at least one corona discharge mechanism, wherein the corona discharge mechanism comprises at least one corona discharge electrode of high curvature and at least one electrode of low curvature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
Specification