Refrigeration – Processes – Fluid external of refrigeration producing cycle
Patent
1995-01-24
1996-08-27
Capossela, Ronald C.
Refrigeration
Processes
Fluid external of refrigeration producing cycle
62434, F25D 1702
Patent
active
055489672
ABSTRACT:
A method and an apparatus for absorbing heat and preserving fresh products under optimal conditions is described. The products are introduced into a chamber of which at least 70%-80% of the wall surfaces consists of box-shaped interspace panels filled with a thermal capacitance fluid having a freezing temperature with a *.DELTA.T included between -1.degree. and -4.degree. C. compared to the refrigeration temperature. Disposed within the panel interspace are circulating circuits containing a brine fluid fed at a temperature having a *.DELTA.T included between -5.degree. and -30.degree. C. compared to the refrigeration temperature. The brine circuit is disposed within the panel interspace for distributing the exchange between the brine fluid and the thermal capacitance fluid so as to keep the *.DELTA.T between the maximum and minimum temperature points of the wall under 5.degree. C., preferably not higher than 2.degree. C. and particularly not higher than 1.degree. C.
REFERENCES:
patent: 3280586 (1966-10-01), Funokushi
patent: 4452051 (1984-06-01), Berger et al.
patent: 5172567 (1992-12-01), Sadhir
patent: 5272887 (1993-12-01), Zendzian, Sr.
Capossela Ronald C.
N.R. Development Limited
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