Refrigerant recovery systems employing series/parallel pumps

A system for transferring a refrigerant from a first refrigerant vessel having at least one refrigerant port to a second refrigerant vessel having at least one refrigerant port is disclosed. This system includes a condenser, a pump assembly having an inlet and an outlet, and conduits for operatively...

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Bibliographische Detailangaben
Hauptverfasser:	ROTH, ROBERT J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS 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 MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING STORING OF DISTRIBUTING GASES OR LIQUIDS 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 VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	A system for transferring a refrigerant from a first refrigerant vessel having at least one refrigerant port to a second refrigerant vessel having at least one refrigerant port is disclosed. This system includes a condenser, a pump assembly having an inlet and an outlet, and conduits for operatively connecting the condenser and pump assembly to the first and second refrigerant vessel in several configurations. The pump assembly includes two pumps operated by one motor and interconnected to either provide series or parallel pumping. This system may also include a transfer tank interposed between the first and second refrigerant vessels. The transfer tank can be used to condense the vapor phase of the refrigerant removed from the first refrigerant vessel and collect the condensed refrigerant in one configuration, then to transfer the condensed refrigerant to the second refrigerant vessel in an alternate configuration. Methods employing this apparatus for transferring a refrigerant between a first refrigerant vessel and a second refrigerant vessel, optionally via a separate transfer tank, are also disclosed.