Filter system using plastic frames along structural wall of animal confinement building
First Claim
Patent Images
1. An animal confinement facility comprising:
- an animal confinement building having;
a ventilation system with an air flow inlet into an enclosure of the animal confinement building; and
a structural frame of the building having a rectangular opening for flow through the air flow inlet;
a molded plastic frame mounted to the structural frame and sealed thereto by a seal member located between the molded plastic frame and the structural frame;
a primary filter mounted to the molded plastic frame arranged to filter air flowing through the air flow inlet;
a peripheral seal between the primary filter and the molded plastic frame; and
rotatable clips mounted to the molded plastic frame, the clips securing the primary filter in the molded plastic frame and compressing the primary filter against the frame to compress the peripheral seal into sealing engagement therebetween.
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Abstract
A filter assembly including a rectangular inlet frame having a rectangular inlet opening to receive a primary filter and optional a prefilter. The filter assembly may include a rectangular outlet frame and a housing body that is collapsible to have a flattened shipping state and an erect state. The rectangular inlet frame may also be used as a housing by itself to support and house primary filters and prefilters. A gridwork including one or more grid dividers may be used in the rectangular inlet frame to provide 2 or more openings for receipt of filters.
82 Citations
20 Claims
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1. An animal confinement facility comprising:
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an animal confinement building having; a ventilation system with an air flow inlet into an enclosure of the animal confinement building; and a structural frame of the building having a rectangular opening for flow through the air flow inlet; a molded plastic frame mounted to the structural frame and sealed thereto by a seal member located between the molded plastic frame and the structural frame; a primary filter mounted to the molded plastic frame arranged to filter air flowing through the air flow inlet; a peripheral seal between the primary filter and the molded plastic frame; and rotatable clips mounted to the molded plastic frame, the clips securing the primary filter in the molded plastic frame and compressing the primary filter against the frame to compress the peripheral seal into sealing engagement therebetween. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A filter system, comprising:
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a plurality of plastic inlet frames, each inlet frame having at least one inlet opening and a recess with a seating surface in surrounding relation to the inlet opening, the plastic inlet frames mounted in an array to a wall frame in a building; a plurality of primary filters comprising at least one of a V-bank filter and a rectangular filter that includes filter media that is at least 3 inches deep; each primary filter having an outer peripheral flange seated against the seating surface and extending through the inlet opening; and a plurality of pre-filters upstream of the primary filters, each pre-filter seated against an upstream face of the outer peripheral flange of a corresponding primary filter; a first set of retainers mounted on each plastic inlet frame, the retainers adapted to secure the primary filters along the seating surface of each plastic inlet frame; a second set of retainers mounted on each plastic inlet frame securing the pre-filters over the primary filters and each retainer rotates about a corresponding axis of rotation that is perpendicular to the seating surface of the corresponding plastic inlet frame. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification