Method and apparatus for maintenance of slush mixture at desired

Details Method and apparatus for maintenance of slush mixture at desired Method and apparatus for maintenance of slush mixture at desired

1992-04-20

1993-06-22

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Cryogen stored in both phases

62 7, F17C 500

Patent

active

052208010

ABSTRACT:
A method and apparatus for maintaining a liquid-frozen solid slush mixture in a vessel at a desired total slush mixture and desired solids content during conditions under which the solids in the slush mixture in the vessel are melting. The method comprises introducing fresh slush mixture to the vessel, while removing liquid from the vessel--both at rates directly proportional to the rate of solids melting in the vessel. The apparatus comprises an auxiliary vessel containing slush mixture and means for transferring slush mixture to the main vessel at one rate, means for transferring liquid from the main vessel to the auxiliary vessel at another rate, and means for controlling the transfer rates in a prescribed manner.

REFERENCES:
patent: 2257897 (1941-10-01), Zenner et al.
patent: 3473343 (1969-10-01), Chamberlain
patent: 3810365 (1974-05-01), Hampton et al.
patent: 4224801 (1980-09-01), Tyree, Jr.
patent: 4300355 (1981-11-01), McWhorter et al.
"Slush Hydrogen Production for the National Aero-Space Plane Programs" by Robert B. Moore, et al. at the World Hydrogen Energy Conference #8, 22-27 Jul. 1990 in Hawaii.

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