Multiple zone refrigeration
AssigneeHussmann Corporation
InventorDennis Cotter
Life of this patent
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Abstract
The invention is embodied in a refrigeration unit (R) adapted for use in combination with plural associated refrigerated fixtures (33a, 33b, 33c) in a commercial store, each fixture having a product zone and heat transfer cooling means (29) for the refrigeration thereof and which refrigeration unit comprises housing means (55, 57) with a mounting profile constructed to be accommodated substantially within the footprint area of one of said associated fixtures and arranged to support selective refrigeration components of a closed refrigeration circuit for supplying the refrigeration requirements of all associated fixtures, and which components include plural vapor phase compressor means (21) and a closely coupled coolant loop connected with the heat transfer cooling means.
Claims40
A refrigeration unit adapted for use in combination with plural associated refrigerated fixtures in a commercial store, each of said fixtures having an insulated top wall enclosure and an interior product zone and heat transfer cooling means for the refrigeration thereof;
- said refrigeration unit comprising a housing with a mounting profile constructed so as to be accommodated within the top wall footprint area of one of said associated fixtures and being arranged to support selective refrigeration components of a closed refrigeration circuit for supplying the refrigeration requirements of all associated fixtures, which said components include plural vapor phase compressor means and a closely coupled cooling loop for connection with the heat transfer cooling means of all associated fixtures.
In combination with at least two refrigerated fixtures in a commercial store, each of which fixtures has an insulated cabinet with an imperforate exterior top wall surface and an interior product zone and including heat transfer cooling means for the refrigeration of said product zone;
- a refrigeration unit comprising a unitary housing with a base mounting profile constructed so as to be accommodated within the top wall area of one of said refrigerated fixtures and being arranged to support selective refrigeration components of a refrigerating circuit including plural vapor phase compressors, and a closely coupled cooling loop connected to supply the refrigeration requirements of the heat transfer cooling means of all refrigerated fixtures.
Dependencies are inferred from the claim text.