Refrigeration – Storage of solidified or liquified gas – With vapor discharged from storage receptacle
Patent
1978-11-13
1980-09-30
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
With vapor discharged from storage receptacle
62168, 62332, F17C 702
Patent
active
042248019
ABSTRACT:
A holding chamber may be supplied from a storage vessel system with a cryogen, such as liquid CO.sub.2, or it may itself be large enough to take the place of a separate storage vessel. The temperature within the holding chamber is reduced to the triple point or below to form a refrigeration reservoir of solid cryogen, as by removing vapor from the chamber to cause evaporation or by employing mechanical refrigeration. The stored cooling power of the reservoir is later employed to meet a large or a periodic refrigeration demand and is thereafter replenished over a number of hours, preferably during a period of non-peak electric demand. This storage principle can be incorporated into a variety of different refrigeration systems. For example, a CO.sub.2 storage system may be used to produce and store solid CO.sub.2 during a period of low demand upon a coupled mechanical refrigeration system; thereafter, the solid CO.sub.2 is used to supplement the mechanical system during a high-demand period, thereby increasing the effective refrigeration capacity of the mechanical system.
REFERENCES:
patent: 2229438 (1941-01-01), Birdsall
patent: 2404511 (1946-07-01), Maclean
patent: 2496185 (1950-01-01), Voss et al.
patent: 3788091 (1974-01-01), Miller
patent: 3810365 (1974-05-01), Hampton et al.
patent: 3906742 (1975-09-01), Newton
patent: 3933001 (1976-01-01), Muska
patent: 3994141 (1976-11-01), Schrawer
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