EJECTOR AND EJECTOR TYPE REFRIGERATING CYCLE

PROBLEM TO BE SOLVED: To provide an ejector type refrigerating cycle, improving nozzle efficiency ηnoz of an ejector in simple constitution to enough improve COP (coefficient of performance). SOLUTION: A gas phase refrigerant injecting means includes a compressor discharging branch part 12 for causi...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHII KEIICHI, OZAKI YUKIKATSU
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING NOZZLES PERFORMING OPERATIONS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an ejector type refrigerating cycle, improving nozzle efficiency ηnoz of an ejector in simple constitution to enough improve COP (coefficient of performance). SOLUTION: A gas phase refrigerant injecting means includes a compressor discharging branch part 12 for causing branching of a flow of a compressor 11 discharged refrigerant and injection pipes 143a, 143b which guide a very small flow of branching gas phase refrigerant to the downstream side of a nozzle inflow port 141b of the ejector 14 and the upstream side of a throat part 141c. A refrigerant in the non-equilibrium state where a liquid phase refrigerant and a gas phase refrigerant are mixed is decompressed and expanded at a nozzle part 141. Thus, the nozzle efficiency ηnoz of the ejector 14 can be improved in simple constitution to enough improve COP. COPYRIGHT: (C)2010,JPO&INPIT