Energy conserving refrigerated merchandiser display case

Details Energy conserving refrigerated merchandiser display case Energy conserving refrigerated merchandiser display case

1980-07-11

1981-11-10

King, Lloyd L.

Refrigeration

Processes

Defrosting or frost inhibiting

62256, 62265, 62411, 62418, F25B 4100, A47F 304, F25D 2302

Patent

active

042990920

ABSTRACT:
An improvement in refrigerated display cabinets in which barrier doors and one or more guard air bands protect the primary refrigerated air band which is circulated within the cabinets during time periods when the barrier door is opened. The cabinets may be equipped with air defrost systems. When two guard air bands are employed, the outermost of these is directed across the outside surface of the barrier door. The air defrost system can incorporate a door opening mechanism which provides a gap between the barrier door and the access opening in order to permit ambient air through-flow for defrost purposes.
Control circuitry can be controlled by opening of the barrier doors in order to actuate the guard air band movement.

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