High pressure cryogenic pumping system

Details High pressure cryogenic pumping system High pressure cryogenic pumping system

1996-01-11

1998-10-13

Bennett, Henry A.

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

62 502, F17C 702

Patent

active

058195440

ABSTRACT:
A high pressure pumping system for pumping cryogenic liquid from a low pressure holding cylinder to a high pressure gas cylinder (or other high pressure utilization system) includes a high pressure piston pump having a unidirectional flow input and a unidirectional flow output, immersed in the cryogenic liquid in a low pressure pump container that is fed cryogenic liquid from the low pressure holding cylinder, the pressure in said pump container being maintained so that driving the pump piston pumps cryogenic liquid from the bulk tank to the high pressure utilization system.

REFERENCES:
patent: 4472946 (1984-09-01), Zwick
patent: 5513961 (1996-05-01), Engdahl et al.
patent: 5537828 (1996-07-01), Borcuch et al.

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