Refrigeration – Processes – Accumulating holdover ice in situ
Patent
1992-03-06
1993-08-31
Bennet, Henry A.
Refrigeration
Processes
Accumulating holdover ice in situ
62 66, 252 70, F25D 300, F25C 100, C09K 318
Patent
active
052398196
ABSTRACT:
This invention provides for improved sterol nucleators of ice crystals. The improvement is the use of water stable crystalline forms of the sterols. These forms advantageously provide predictable nucleation temperatures which are stable for long periods of time, especially where the water is repeatedly frozen and thawed. In commercial ice making systems, the selection of stable forms of sterols having high nucleation temperatures provide great savings in construction and energy costs.
REFERENCES:
patent: 3852155 (1974-12-01), Moore
patent: 3858805 (1975-01-01), Shen et al.
patent: 4154292 (1979-05-01), Herrick
patent: 4331556 (1982-05-01), Arrhenius
patent: 4447347 (1984-05-01), Goldfarb et al.
patent: 4518514 (1985-05-01), Kamohara et al.
patent: 4561493 (1985-12-01), Yanadori et al.
patent: 4690769 (1987-09-01), Lane et al.
patent: 4821794 (1989-04-01), Tsai et al.
patent: 4827735 (1989-05-01), Foley
patent: 4856296 (1989-08-01), Shu
patent: 4928493 (1990-05-01), Gilbertson et al.
patent: 5082582 (1992-01-01), Ames et al.
Rabel, Gabriele, "Water at -72.degree.", Science, May 28, 1948, vol. 107.
Williams, John L., "Account of the Method of Making Ice at Benares", Phil. Trans. of the Royal Society of London, 1973 pt. I p. 56.
Head, R. B., "Steroids as Ice Nucleators," Nature 191:1058-1059 (1961).
Head, R. B., "Ice Nucleation by Some Cyclic Compounds," J. Phys. Chem. Solids 23:1371-1378 (1962).
Fukuta, N. and Mason, B. J., "Epitaxial Growth of Ice on Organic Crystals," J. Phys. Chem. Solids 24:715-718 (1963).
Bernal, J. D., et al., "X-Ray Crystallography and the Chemistry of the Steroids, Part I," Phil. Trans. R. Acad. Soc. London, Ser. A 239A:135-182 (1940).
Duax, W. L., et al., "Conformational Analysis of Sterols: Comparison of X-Ray Crystallographic Observations with Data from Other Sources," Lipids 15:783-792 (1980).
Loomis, C. R., "The phase behavior of hydrated cholesterol," J. Lipid Res. 20:525-535 (1979).
Byers, H. R., "Nucleation in the atmosphere," Indus. Eng. Chem. 57:32-40 (1965).
Fukuta, N., "Experimental Studies of Organic Ice Nuclei," J. Atmos. Sci. 23:191-196 (1966).
Montefinale, A. C., et al., "Recent Advances in the Chemistry and Properties of Atmospheric Nucleants: a Review," Pure Appl. Geophys. 91:171-210 (1971).
Bennet Henry A.
Kilner Christopher B.
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