Self cleaning filter assembly and circulation system
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Abstract
There is provided a self cleaning filter assembly for use in an exhaust system, including: a casing for placement in the path of an air flow, the casing containing: a first filter; a second filter; a barrier for placement adjacent to the casing to prevent a cleaning fluid from dripping from the first filter and out from the casing; and a plurality of spray outlets for dispersion of fluid within the casing and onto the filters. The plurality of spray outlets create droplets of the cleaning fluid of a size able to combine with droplets of a contaminant to form combined droplets in the air flow and wherein the first filter and the second filter captures droplets of the contaminant and droplets from the spray outlets. A circulation system for use with the filter assembly is also disclosed.
18 Citations
49 Claims
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1-29. -29. (canceled)
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30. A self cleaning filter assembly for use in an exhaust system, comprising:
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a duct for positioning about the path of an air flow, the duct housing a first filter and a second filter;
a plurality of spray outlets for dispersion of a liquid within the duct, wherein the plurality of spray outlets form droplets of the liquid sized for combining with a contaminant to form combined droplets in the air flow, and wherein at least one of the first filter and the second filter capture the combined droplets; and
a barrier positioned adjacent the duct to prevent the liquid from dripping from at least one of the first filter and the second filter and out from the duct. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44)
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45. A circulation system for fluids into at least one self cleaning filter assembly, comprising:
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a circulation tank; and
a circulation pump, wherein the circulation pump operates as a venturi pump to circulate fluids in the system. - View Dependent Claims (46, 47, 48, 49)
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Specification