Importance

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Abstract

A refrigerated open display case achieves a laminar flow of chilled air over flowers or produce displayed therein, and establishes a laminar flow boundary layer with the warmer ambient air. There is an array of perforations serving as chilled air supply openings on each of the vertical riser walls, so that the chilled air is discharged in a laminar flow. A return air intake grille extends across the cabinet below the front of the lowermost shelf, in an undercut transverse recess. The front part of the lowermost shelf member can have a chamfer or downward slope, so that debris that falls on it drops to the floor in the front of the cabinet, where it can be routinely swept up. The recess below this chamfer can likewise have a slanting lower wall. Inside the cabinet, the coldest air leaving the evaporator coil passes in contact with the underside of the shelf members, so these shelf members are also kept chilled. Vases or flower containers, which can be metal, are positioned in open receptacles in the shelves, with the bottoms of the vases or containers projecting down into the cold air tunnel.

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First Claim