Air conditioning system and method of operation

An air conditioning system and method of operation for reducing cyclic losses due to non-steady state operation at the start of operating cycles are disclosed. A bi-flow expansion valve assembly is provided in the refrigerant line between the heat exchangers, and the valve assembly can meter refrige...

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Bibliographische Detailangaben
Hauptverfasser:	GLAMM, PAUL R, WENDSCHLAG, JAMES C
Format:	Patent
Sprache:	eng
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:	An air conditioning system and method of operation for reducing cyclic losses due to non-steady state operation at the start of operating cycles are disclosed. A bi-flow expansion valve assembly is provided in the refrigerant line between the heat exchangers, and the valve assembly can meter refrigerant flow between the heat exchangers or can permit substantially unrestricted flow therethrough. At the start of a cycle, the valve assembly is adjusted to allow refrigerant to flood between the heat exchangers, thereby correcting mislocation of refrigerant caused by the migration of refrigerant to the evaporator during the off-cycle, or caused when heat exchanger functions are switched, as, for example, during a defrost cycle of a heat pump.