FLUID DEFROST SYSTEM AND METHOD FOR SECONDARY REFRIGERATION SYSTEMS

A fluid defrost system and method for defrosting the cooling coil (CC) of a product fixture (PF) normally cooled by circulating a cold secondary liquid coolant in a cooling loop (RS) refrigerated by a primary vapor compression system (VC) having compressor (110), condenser (111) and evaporator (112)...

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Bibliographic Details
Main Authors BEHR, JOHN, A, SHAPIRO, DORON, ROCHE, JOHN, M
Format Patent
LanguageEnglish
French
Published 23.09.1999
Edition6
Subjects
BLASTING
COFFEE MILLS
COLD ROOMS
COMBINED HEATING AND REFRIGERATION SYSTEMS
COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS
DOMESTIC ARTICLES OR APPLIANCES
FURNITURE
HEAT PUMP SYSTEMS
HEATING
HUMAN NECESSITIES
ICE-BOXES
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
PAYING COUNTERS
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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Summary:A fluid defrost system and method for defrosting the cooling coil (CC) of a product fixture (PF) normally cooled by circulating a cold secondary liquid coolant in a cooling loop (RS) refrigerated by a primary vapor compression system (VC) having compressor (110), condenser (111) and evaporator (112) means; the defrost system comprising a heat exchanger (130) associated with the condenser means (111) for warming secondary liquid coolant in a heating loop, and means for controlling the circulation of warm liquid coolant through the heat exchanger (130) and cooling coil (16). Système de dégivrage par fluide et procédé de dégivrage du serpentin de refroidissement (CC) d'un appareil (PF) pour produits normalement réfrigéré par circulation d'un réfrigérant liquide secondaire froid dans une boucle de refroidissement (RS) réfrigérée par un système de compression de vapeur primaire (VC) comportant un compresseur (110), un condensateur (111) et un évaporateur (112). Ledit système de dégivrage comprend un échangeur de chaleur (130) associé au condensateur (111) et destiné à chauffer le réfrigérant liquide secondaire dans une boucle de chauffe et un moyen permettant de réguler la circulation du réfrigérant liquide chaud dans l'échangeur de chaleur (130) et le serpentin de refroidissement (16).
Bibliography:Application Number: WO1998US22861