Air conditioning and refrigeration apparatus utilizing a cryogen

A refrigeration system (10) associated with a conditioned space (14) to be controlled to a predetermined set point temperature (126) via heating and cooling cycles. The refrigeration system includes a fluid flow path (42) through which a predetermined liquid (104) is circulated. The fluid flow path...

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Bibliographische Detailangaben
Hauptverfasser:	VIEGAS, HERMAN HERMOGIO, ROEHRICH, ROLAND LOUIS, TAYLOR, DAVID HUTTON
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PERFORMING OPERATIONS RANGES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A refrigeration system (10) associated with a conditioned space (14) to be controlled to a predetermined set point temperature (126) via heating and cooling cycles. The refrigeration system includes a fluid flow path (42) through which a predetermined liquid (104) is circulated. The fluid flow path includes a slush tank (78) and first and second heat exchangers (46,88), with cryogen from a supply vessel (16) being expanded into liquid (104) disposed in the slush tank. The first heat exchanger (46) is disposed to condition the air (122) of the conditioned space (14), and the second heat exchanger (88) is in heat exchange relation with heating apparatus (145). The first heat exchanger (46) and slush tank (78) are interconnected when the conditioned space requires a cooling cycle, and the first and second heat exchangers (46,88) are interconnected when the conditioned space requires a heating cycle. Cryogen from the supply vessel is thus not expended to heat the conditioned space, or for defrosting purposes.