Collapsible and/or assembled filter housing and filter used therewith
First Claim
Patent Images
1. A filter assembly, comprising:
- a rectangular inlet frame having a seating surface in surrounding relation of a rectangular inlet opening;
a rectangular outlet frame;
a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state;
at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state;
wherein the at least one filter includes an outer peripheral flange seated against the seating surface;
wherein the rectangular inlet frame defines a rectangular recess having the seating surface in surrounding relation of the rectangular inlet opening, wherein the at least one filter includes a primary filter comprising;
at least one of a V-bank filter and a rectangular filter that includes filter media that is at least 3 inches deep, and a prefilter upstream of the primary filter and seated against an upstream face of the outer peripheral flange;
a first rectangular gasket interposed between the outer peripheral flange of the primary filter and the sea surface forming a seal therebetween; and
compression clips mounted on an outwardly facing side of the rectangular inlet frame, the clips engaging the prefilter to retain the prefilter; and
at least two clips compressing the primary filter and the first rectangular gasket against the seating surface.
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Abstract
A filter assembly including a rectangular inlet frame having a rectangular inlet opening, a rectangular outlet frame, a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state, and at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state.
80 Citations
18 Claims
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1. A filter assembly, comprising:
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a rectangular inlet frame having a seating surface in surrounding relation of a rectangular inlet opening; a rectangular outlet frame; a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state; at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state; wherein the at least one filter includes an outer peripheral flange seated against the seating surface; wherein the rectangular inlet frame defines a rectangular recess having the seating surface in surrounding relation of the rectangular inlet opening, wherein the at least one filter includes a primary filter comprising;
at least one of a V-bank filter and a rectangular filter that includes filter media that is at least 3 inches deep, and a prefilter upstream of the primary filter and seated against an upstream face of the outer peripheral flange;a first rectangular gasket interposed between the outer peripheral flange of the primary filter and the sea surface forming a seal therebetween; and compression clips mounted on an outwardly facing side of the rectangular inlet frame, the clips engaging the prefilter to retain the prefilter; and
at least two clips compressing the primary filter and the first rectangular gasket against the seating surface. - View Dependent Claims (2)
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3. A filter assembly, comprising:
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a rectangular inlet frame having a seating surface in surrounding relation of a rectangular inlet opening; a rectangular outlet frame; a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state; at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state; wherein the at least one filter includes an outer peripheral flange seated against the seating surface; first and second housing gaskets having a rectangular shape, the first housing gasket scaling between the rectangular outlet frame and the housing body, the second housing gasket sealing between the rectangular inlet frame and the housing body; and a plurality of snap fasteners securing the housing body to each of the rectangular outlet frame and the rectangular inlet frame to maintain the first and second housing gaskets in a state of compression. - View Dependent Claims (4, 5, 6, 7, 8)
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9. A filter assembly, comprising:
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an inlet frame having an inlet opening; an outlet frame; a housing body extending between the inlet frame and the outlet frame; first and second housing gaskets, the first housing gasket sealing between the outlet frame and the housing body, the second housing gasket sealing between the inlet frame and the housing body; at least one filter having filter media, the filter installed in the inlet opening in generally sealing relation thereto, the filter projecting from the inlet frame toward the outlet frame in the assembled state; wherein the inlet frame and the outlet me are rectangular, wherein the rectangular inlet frame defines a rectangular recess having a seating surface in surrounding relation to the inlet opening; wherein the at least one filter hides ai er peripheral flange seated against the seating surface; wherein the at least one filter includes a primary filter comprising at least one of a V-bank filter and a rectangular filter that includes filter media that is at least 3 inches deep; a prefilter upstream of the primary filter and seated against an upstream face of the outer peripheral flange; a first rectangular gasket interposed between the outer peripheral flange of the primary filter and the seating surface forming a seal therebetween; and compression clips mounted on an outwardly facing side of the inlet frame, the clips engaging the prefilter to retain the prefilter; and
at least two clips compressing the primary filter and the first rectangular gasket against the seating surface. - View Dependent Claims (10)
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11. A filter assembly, comprising:
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an inlet frame having an inlet opening; an outlet frame; a housing body extending between the inlet frame and the outlet frame; first and second housing gaskets, the first housing gasket sealing between the outlet frame and the housing body, the second housing gasket sealing between the inlet frame and the housing body; at least one filter having filter media the filter installed in the inlet opening in generally sealing relation thereto, the filter projecting from the inlet frame toward the outlet frame in the assembled state; wherein the inlet frame and the outlet frame are rectangular, wherein the rectangular inlet frame defines a rectangular recess having a seating surface in surrounding relation to the inlet opening; wherein the at least one filter includes an outer peripheral flange seated against the seating surface a plurality of snap fasteners securing the housing body to each of the outlet frame and the inlet frame to maintain the first and second housing gaskets in a state of compression. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification