Turbocooler with multistage turbine wheel

A turbocooler includes a multistage turbine wheel for simultaneous and independent interaction with multiple gas streams to reduce the temperature levels of the gas streams. The turbine wheel includes at least two turbine stages designed to discharge the respective gas streams at different temperatu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EMERSON, TERENCE P
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MACHINES OR ENGINES IN GENERAL MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	A turbocooler includes a multistage turbine wheel for simultaneous and independent interaction with multiple gas streams to reduce the temperature levels of the gas streams. The turbine wheel includes at least two turbine stages designed to discharge the respective gas streams at different temperature levels, wherein the warmer gas stream is interposed between the colder gas stream and a turbocooler load. The warmer gas stream thus provides a thermal barrier isolating the colder gas stream from turbocooler heat sources thereby permitting increased temperature reduction of the colder gas stream for use, for example, in cryocooler applications. The multistage turbine wheel further facilitates bearing lift-off, for example, in a foil bearing machine.