LOW-TEMPERATURE LIQUEFIED GAS PUMP

PROBLEM TO BE SOLVED: To provide a low-temperature liquefied gas pump that can perform a long-period continuous operation, precluding generation of pulsation, and feeding low-temperature liquefied gas in a stable condition.SOLUTION: The low-temperature liquefied gas pump 10 includes a drive part 12...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIROKAWA MASAKI, HIRAI KANICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STORING OF DISTRIBUTING GASES OR LIQUIDS THERMAL INSULATION IN GENERAL VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a low-temperature liquefied gas pump that can perform a long-period continuous operation, precluding generation of pulsation, and feeding low-temperature liquefied gas in a stable condition.SOLUTION: The low-temperature liquefied gas pump 10 includes a drive part 12 and a pump part 13 installed outside and inside, respectively, of a low-temperature liquefied gas vessel 11, a shaft 16 to connect the impeller 14 of the pump part with a drive shaft 15 of the drive part, and a casing 19 to accommodate the same through bearings to be rotatable. The shaft is divided into an upper shaft portion 16a on the driving side and a lower shaft portion 16b on the following side, and the two shaft portions are coupled together magnetically by a magnetic joint 20 in non-contact condition, wherein the lower shaft portion is supported by the casing through the bearings 17 and 18 in the non-contact condition. The shaft has a communication hole 26 which provides communication of inside the casing with the inside of the low-temperature liquefied gas vessel.