Donald A Musgrave

US Patent:

41353692, Jan 23, 1979

Filed:

Sep 19, 1977

Appl. No.:

5/834235

Inventors:

David F. Allgeyer - Conway AR
Donald A. Musgrave - Conway AR
Lester F. Reifeiss - Conway AR

Assignee:

UMC Industries, Inc. - Stamford CT

International Classification:

A47F 304
F25D 1302

US Classification:

62251

Abstract:

A dual temperature merchandiser incorporating both upper and lower communicating compartments, the upper compartment for chilling food products, with the lower compartment disposed for holding frozen food products, a single refrigeration unit incorporating the condenser and compressor are provided for maintaining the chilled and freezing temperatures within their respective compartments, and evaporators operatively associated and rendered functional by the aforesaid condenser and compressor being provided within each of the compartments, thermostatic controls responsive to the temperatures maintained within each compartment a valve operatively associated with the thermostatic control maintained in the upper chilling compartment and providing for the flow, or curtailment thereof, of refrigerant through the evaporator maintained within said compartment for independently maintaining the chilling temperature therein, regardless of the continued transfer of refrigerant through the lower compartment and sustaining of the freezing temperature therein; the evaporator contained in the lower compartment being formed of a series of coils, and a portion of said coils being arranged adjacent the lower compartment walls for enhancing the efficiency of its refrigeration.