Method and apparatus for operating a refrigeration system

A refrigeration system (10), and method of operating same, in which an economizer heat exchanger (34), normally used in conjunction with an intermediate port (IP) of a refrigerant compressor (14) to cool the main refrigerant flow from a receiver (20) to an evaporator (22) to enhance the refrigerant...

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Bibliographische Detailangaben
Hauptverfasser:	SJOHOLM, LARS IVAN, TAYLOR, DAVID HUTTON
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	A refrigeration system (10), and method of operating same, in which an economizer heat exchanger (34), normally used in conjunction with an intermediate port (IP) of a refrigerant compressor (14) to cool the main refrigerant flow from a receiver (20) to an evaporator (22) to enhance the refrigerant cooling cycle, is caused to function as an evaporator during a hot gas heating cycle. The economizer heat exchanger (34) is caused to function as an evaporator by adding heat thereto during a heating cycle, and by establishing an alternate liquid line (60), effective during a heating cycle, which includes the economizer heat exchanger. When the compressor (14) is driven by an internal combustion engine (15), engine coolant may be used to add the necessary heat to the economizer heat exchanger (34) during a heating cycle.