A refrigerated merchandiser with a condenser coil using microchannel tubing

A refrigerated merchandiser comprising: an enclosure having a front wall partially defining a refrigerated display cabinet and having an access opening in the front wall for providing access to the refrigerated display cabinet; an evaporator coil disposed in operative association with the refrigerat...

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Bibliographische Detailangaben
Hauptverfasser:	DADDIS, EUGENE DUANE, CHIANG, ROBERT H L
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COFFEE MILLS COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DOMESTIC ARTICLES OR APPLIANCES FURNITURE HEAT EXCHANGE IN GENERAL HEAT PUMP SYSTEMS HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING HUMAN NECESSITIES ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PAYING COUNTERS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS,STOREHOUSES, BARS, RESTAURANTS OR THE LIKE SPICE MILLS SUCTION CLEANERS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A refrigerated merchandiser comprising: an enclosure having a front wall partially defining a refrigerated display cabinet and having an access opening in the front wall for providing access to the refrigerated display cabinet; an evaporator coil disposed in operative association with the refrigerated display cabinet; a compartment heat insulated from the refrigerated display cabinet; a condenser coil 110 disposed within the compartment; a condenser fan disposed within the compartment for circulating air over the condenser coil 110; and a compressor disposed within the compartment and connected in refrigerant flow communication with the evaporator coil and the condenser coil 110 for circulating refrigerant through the evaporator coil and the condenser coil 110; the condenser coil 110 having at least one header 113 for receiving refrigerant vapour from the compressor and having a plurality of microchannel tubes 111 each with a plurality of longitudinally extending channels that are fluidly connected at their ends to receive refrigerant vapour now from the at least one header 113, the plurality of tubes 112 having generally flat sides that are generally aligned with the direction of airflow here over and with the spacing between adjacent tubes being in the range of.4 to .8 inches.