Refrigerated display case

Claim 1

A REFRIGERATED DISPLAY CABINET HAVING AN OPEN SIDE FOR ACCESS BETWEEN THE INTERIOR AND THE ATMOSPHERE COMPRISING A COMPARTMENT HAVING OPEN SIDE, INNER AND OUTER WALLS ABOUT THE COMPARTMENT DEFINING INNER AND OUTER CHANNELS THEREBETWEEN, INLETS ARRANGED IN SIDE BY SIDE PARALLEL RELATION ACROSS ONE SIDE OF THE OPEN SPACE AND COMMUNICATING WITH SAID CHANNELS WITH THE INNER INLET COMMUNICATING WITH THE INNER CHANNEL AND THE OUTER INLET COMMUNICATING WITH THE OUTER CHANNEL, OUTLETS ARRANGED IN SIDE BY SIDE PARALLEL RELATION ACROSS THE SIDE OF THE OPEN SPACE OPPOSITE THE INLETS AND COMMUNICATING WITH SAID CHANNELS WITH THE INNER OUTLET COMMUNICATING WITH THE INNER CHANNEL AND THE OUTER OUTLET COMMUNICATING WITH THE OUTER CHANNEL, REFRIGERATING MEANS IN AT LEAST THE INNER CHANNEL TO REFRIGERATE THE AIR CIRCULATED THERETHROUGH, MEANS FOR RECIRCULATING ALL OF THE AIR FROM THE INLETS, THROUGH THE CHANNELS, TO THE OUTLETS SO THAT THE ENTIRE INCREMENT OF AIR ENTERING THE INLETS IS RECIRCULATED FROM THE INLETS TO THE OUTLETS AND FOR DIRECTING THE AIR ISSUING FROM THE OUTLETS IN SUBSTANTIALLY PARALLEL RELATION TOWARDS THE INLETS TO FORM AN AIR CURTAIN EXTENDING ACROSS THE OPEN SIDE OF THE CABINET WITH THE INNER PORTION OF THE AIR STREAM COMPRISING A COLD AIR PANEL AND FOR RETURN OF THE COLD AIR PANEL TO THE INNER CHANNEL AND THE OUTER PORTION OF THE AIR CURTAIN TO THE OUTER CHANNEL FOR THE RECIRCULATION THEREOF THERETHROUGH, SAID OUTLETS BEING ARRANGED IN SIDE BY SIDE PARALLEL RELATIONSHIP WITH MINIMUM SPACE IN BETWEEN TO AVOID THE PRESENCE OF A DEAD AIR SPACE WHICH WOULD CAUSE INTERFERENCE WITH LAMINAR FLOW.