Cryogenic liquefied pump system

Details Cryogenic liquefied pump system Cryogenic liquefied pump system

1984-04-26

1986-06-10

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

At least one nondispensing

222152, 222183, 222333, 62 55, B67D 560, B67D 564

Patent

active

045938350

ABSTRACT:
A cryogenic liquefied pump system which includes a pump having a drive motor, bearings, a drive shaft, and an impeller adapted to be disposed in a vessel storing a cryogenic liquid. An outer insulating tank is mounted in the vessel and an inner insulating tank is mounted inside the outer insulating tank, with a vacuum layer being interposed between the inner and outer insulating tanks. An inner side of the inner insulated tank, in which the motor and bearings are arranged, is maintained at a room temperature, with a tip portion of the inner insulating tank being formed into an outer case extending into a cryogenic region outside of the outer insulated tank.

REFERENCES:
patent: 2973629 (1961-03-01), Lady
patent: 3112049 (1963-11-01), Messer
patent: 3131713 (1964-05-01), Kelley
patent: 3369715 (1968-02-01), Carter
patent: 3399691 (1968-09-01), Schoch et al.
patent: 3825156 (1974-07-01), Nobuo
patent: 3876120 (1975-04-01), Haesloop et al.
patent: 3938347 (1976-02-01), Riedel et al.
patent: 3975117 (1976-08-01), Carter

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