METHOD AND DEVICE FOR MANUFACTURE OF ARTIFICIAL SNOW Russian patent published in 1997 - IPC

FIELD: storage of food stuff and agricultural products; artificial snow coats. SUBSTANCE: layer of water flowing as film is dispersed by supersonic pulsating gas flow in field of ultrasonic oscillations simultaneously with dispersion of liquid carbon dioxide ensuring formation of crystallization centers in mixing chamber. Snow is discharged through passage in hollow drive shaft on which mixing chamber is rotated. Flow rate of water is set in accordance with formula. Provision is made for dispersion of liquid carbon dioxide in field of ultrasonic oscillations and application of electric charges of opposite potentials on dispersed water and carbon dioxide. EFFECT: enhanced efficiency. 6 cl, 4 dwg