Electrostatic air filter
A filter and electrostatic precipitator technology, applied in the direction of external electrostatic separator, electrostatic separation, electrostatic effect separation, etc., can solve the problems that cannot be controlled, the cost of filter materials increases, and the increase of ozone is not expected
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no. 1 example
[0145] Figure 4A to Figure 4D Illustrated is a filter 40 comprising a plurality of spaced apart plastic (i.e. non-metallic) electrode films / plates 41 passed over two major surfaces by a film of, for example, indium tin oxide. The conductive coating 43 has electrical conductivity. The membranes 41 are arranged to be powered at high and low potentials, and are thus organized into two interleaved and alternating groups: high voltage membranes 41a and low voltage (or ground) membranes 41b. Each membrane 41 has a front edge X, a rear edge Y, and Figure 4A and 4D indicated by the arrow in the Figure 4B airflow into the page, and in the Figure 4C The middle airflow is two opposite side edges Z extending from left to right). The filter 40 also includes a plurality of spaced apart first rigid isolation members 42a and a plurality of spaced apart second rigid isolation members 42b, which are respectively bonded to the ends of the electrode film 41 using a suitable adhesive (for...
no. 2 example
[0155] Thus, in Figure 5A and Figure 5B A second embodiment of the invention is shown in where there is a Figure 4A to Figure 4D The filter 40 shown has a filter 50 of similar design. Indeed, the similarities between filter 50 and filter 40 are such that like elements are given like reference numerals (but numerically increased by 10 relative to filter 50), only the differences are described below.
[0156] In this second embodiment, a conductive coating 53, such as indium tin oxide, provided on both main surfaces of the electrode film 51 is located at the center, and from each of the front edge X and the rear edge Y of the film 51 X or trailing edge Y is recessed to form gap 54 . The consequences are twofold. First, the surface leak path from Figure 4C D1 in the first example shown is increased to Figure 5A D2 in this second embodiment is shown. The distance D2 is calculated as the sum of the separation distance between two adjacent films 51 and the distance of th...
no. 3 example
[0160] Thus, in Figure 6A and Figure 6B A third embodiment of the invention is shown in where there is a Figure 5A and Figure 5B The filter 50 shown in has a filter 60 of similar design. Indeed, the similarities between filter 60 and filter 50 are such that like elements are given like reference numerals (but numerically increased by 10 relative to filter 60), only the differences are described below.
[0161] In this third embodiment, a series of notches 65 are cut in each of the front edge X and the rear edge Y of the electrode film. As shown, the notches 65 are provided at alternating locations in the high-pressure membrane 61a and the low-pressure membrane 61b, so that each individual spacer member 63a, 63b is bonded to membranes of only one polarity, thereby eliminating the need for polarity in phase. The surface current leakage path between the adjacent high voltage film 61a and the ground electrode film 61b. Any remaining surface leak paths in filter 60 are of ...
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Abstract
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