Refueling process for cryogenic liquids

Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid

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62 7, 62908, F17C 702

Patent

active

055489621

ABSTRACT:
A refueling process for cryogenic liquids, in which the cryogenic liquid in question is transferred from a storage tank into a receiving tank via a detachable line connection. Before or during the refueling process, the cryogenic liquid is cooled in the storage tank to a temperature that is below the lowest operating temperature intended in the tank and above the freezing point of the liquid. The cryogenic liquid is transferred into the tank through a filter with a fineness of 5 to 40 .mu.m, and its temperature is increased during the transfer to a value that at least approximately corresponds to the intended operating temperature in the receiving tank.

REFERENCES:
patent: 3633372 (1972-01-01), Kimmel et al.
patent: 3946572 (1976-03-01), Bragg
patent: 4292062 (1981-09-01), Dinulescu et al.
patent: 5365981 (1994-11-01), Peschka et al.

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