[특허]Swing seal for a rack-aisle freezing and chilling system

Tippmann, Daniel J.

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특허 상세정보

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Swing seal for a rack-aisle freezing and chilling system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24F-013/20
미국특허분류(USC)	062/259.1;
출원번호	US-0074098 (2011-03-29)
등록번호	US-8919142 (2014-12-30)
발명자 / 주소	Tippmann, Daniel J.
출원인 / 주소	Tippmann, Daniel J.
대리인 / 주소	Faegre Baker Daniels LLP
인용정보	피인용 횟수 : 0 인용 특허 : 18

초록
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An automatically adjustable swing seal for a rack-aisle freezing and chilling system extends, for example, from the top horizontal frame member of a racking structure and defines an intake opening along with side seals and a bottom seal. The swing seal is positioned at a height such that a product stack having a top edge positioned at any point along the face of the swing seat creates a seal between the intake opening and the stack via the swing seal, the side seals, and the bottom seal. Thus, stacks of varying heights may automatically be accommodated. ...

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1. An installation for chilling or freezing and cold storage of product stacks of palletized product, comprising: a cold storage warehouse space;at least one chiller in said warehouse space that produces chilled or freezing air and maintains the temperature of ambient air in said warehouse space at chilled or below freezing;at least one air flow chamber including opposite walls, a plurality of air intake openings in at least one wall of said walls, and at least one air outlet having an associated air moving device for causing chilled or freezing air to be drawn into said chamber through said air intake openings and exhausted into said warehouse space through said air outlet; andautomatically adjustable swing seals disposed over respective said air intake openings, each said swing seal hingedly connected to said at least one wall via a hinge defining a horizontal axis about which said swing seal rotates;whereby when a first product stack of product to be chilled or frozen is disposed in sealing engagement with a selected one of said air intake openings against a respective one of said swing seals within the selected one of said air intake openings, a first top edge of said first product stack is disposed against a front panel of said swing seal to rotate said swing seal inward about said horizontal axis of said hinge such that said swing seal and peripheral walls defining said air intake opening create a seal between said first product stack and said air intake opening, andwhereby when a second product stack of product to be chilled or frozen is disposed in sealing engagement with the selected one of said air intake openings against the respective one of said swing seals, a second top edge of said second product stack is disposed against the front panel of said swing seal to rotate said swing seal inward about said horizontal axis of said hinge such that said swing seal and peripheral walls defining said air intake opening create a seal between said second product stack and said air intake opening,said first and second product stacks having varying heights, whereby chilled or freezing air is drawn through the first or second product stack to thereby quickly freeze the product regardless of the varying heights. 2. The installation of claim 1, and including a plurality of product stacks disposed against respective said openings, some of said product stacks having different heights than other of said product stacks. 3. The installation of claim 1, wherein said swing seal further comprises a pair of side panels, a top panel, and a bottom panel, said side panels, disposed around a periphery of said front panel. 4. The installation of claim 3, wherein said bottom panel of said swing seal forms a beveled bottom edge of said swing seal. 5. The installation of claim 3, wherein said hinge comprises a rod extending through said side panels of said swing seal supported by brackets attached to the wall. 6. The installation of claim 1, and including a product stack having cases positioned on a pallet, said cases separated by spacers such that air is drawn through said spacers to said air intake opening into said chamber and exhausted through said chamber via said air outlet. 7. The installation of claim 1, further comprising a filler panel disposed between a top peripheral wall of said air intake opening and said swing seal to accommodate short product stacks. 8. The installation of claim 1, wherein said swing seal rotates a first amount when said front panel is engaged with said first product stack and said swing seal rotates a second amount when said front panel is engaged with said second product stack. 9. The installation of claim 8, wherein: said first product stack defines a first height and said second product stack defines a second height, said first height larger than said second height; andsaid first amount of rotation of said swing seal larger than said second amount of rotation of said swing seal. 10. An installation for chilling or freezing and cold storage of palletized product, comprising: a cold storage warehouse space including a plurality of pallet storage bays;at least one chiller in said warehouse space that produces chilled or freezing air and maintains the temperature of ambient air in said warehouse space at chilled or below freezing;at least one air flow chamber including opposite walls, a plurality of air intake openings in at least one wall of said walls respectively adjacent said plurality of pallet storage bays, and at least one air outlet having an associated air moving device for causing chilled or freezing air to be drawn into said chamber through said intake openings and exhausted into said warehouse space through said air outlet; andswing seals disposed over respective said air intake openings, said swing seals respectively extending forwardly of their respective air intake openings and into the respective pallet storage bay, and being yieldably movable rearwardly away from said plurality of pallet storage bays and toward the interior of said chamber;whereby when product stacks to be frozen or chilled are disposed in respective said plurality of pallet storage bays and in sealing engagement with said air intake openings and against said swing seals, said swing seals are pushed away from said product stacks inwardly such that said swing seal and peripheral walls defining said air intake opening create a seal between said engaged product stack and said air intake opening, whereby chilled or freezing air is drawn through said product stack to thereby quickly freeze the product. 11. The installation of claim 10, and including a plurality of product stacks disposed against respective said openings, some of said product stacks having different heights than other of said product stacks. 12. The installation of claim 10, and including a product stack having cases positioned on a pallet, said cases separated by spacers such that air is drawn through said spacers to said air intake opening into said chamber and exhausted through said chamber via said air outlet. 13. The installation of claim 10, further comprising a filler panel disposed between a top peripheral wall of said air intake opening and said swing seal to accommodate short product stacks. 14. In an installation for chilling or freezing and cold storage of stacks of palletized product, the installation including a cold warehouse space cooled by a chiller and a chamber having a plurality of air intake openings in a wall thereof, a method for chilling or freezing the stacks of palletized product, comprising: providing a swing seal over each of a plurality of intake openings, the seals extending forwardly of the respective openings and being yieldably movable rearwardly toward an interior of the chamber;moving a stack of palletized product against the periphery of one of the openings thereby contacting the respective swing seal and pushing the swing seal rearwardly such that the product stack is sealed along respective sides of the stack against the periphery of the opening and along a top edge of the stack against an adjacent face of the swing seal; anddrawing chilled or freezing air through the product stack into the chamber and out of the chamber to thereby chill or freeze the product stack. 15. The method of claim 14, wherein the swing seal hangs downwardly over its respective opening and is hingedly mounted for rotation about a horizontal axis. 16. The method of claim 15, and moving product stacks of differing heights against respective air intake openings and contacting the respective swing seals at differing vertical positions. 17. The method of claim 14, and moving product stacks of differing heights against respective air intake openings and contacting the respective swing seals at differing vertical positions. 18. The method of claim 14, wherein engaging the product stack comprises providing a product stack having one of a first height and a second height, the second height less than the first height. 19. The method of claim 14, further comprising the step of providing a filler panel disposed between a top peripheral wall of the air intake opening and a top panel of the swing seal. 20. The method of claim 14, wherein providing the swing seal comprises providing the swing seal having a front panel including an exterior face facing exteriorly away from the chamber, the swing seal including a top panel, a bottom panel, and a pair of side panels, each top, bottom, and side panel including a thickness and respectively disposed around the periphery of the front panel. 21. The method of claim 20, wherein the seal has a beveled bottom edge. 22. The method of claim 20, wherein when the swing seal is at rest in a rest position, the exterior face of the front panel is positioned along a vertical plane spaced from the first wall and the chamber at a distance corresponding generally to the thickness of the side panels.

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Swing seal for a rack-aisle freezing and chilling system

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Swing seal for a rack-aisle freezing and chilling system

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