Controller for a refrigeration system with two-stage compression

The method involves modularly opening or closing control valves by changing intermediate pressure in secondary flow paths, where the valves are arranged behind respective sub cooler. A preset valve (34) arranged behind a gas cooler (4) is lowered for reducing cooling performance of pressure, by chan...

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Bibliographische Detailangaben
1. Verfasser:	DIETER MOSEMANN
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:	The method involves modularly opening or closing control valves by changing intermediate pressure in secondary flow paths, where the valves are arranged behind respective sub cooler. A preset valve (34) arranged behind a gas cooler (4) is lowered for reducing cooling performance of pressure, by changing compressed final pressure of an upper layer. The preset valve is increased for increasing the cooling performance still an optimal pressure is reached between the performance and a driving performance. A control algorithm is provided for the optimal pressure based on a part loading control.