DEVICE FOR MAKING ARTIFICIAL SNOW Russian patent published in 1999 - IPC

FIELD: heat insulation of soil in winter seasons; dust suppression in underground working; forming sports routes; decorative dusting of building and trees. SUBSTANCE: proposed device includes air supply housing, water supply housing with circular cut connecting the internal injectors and housing with mixing chamber and external injectors; all these housings are connected together. External injectors are located concentrically relative to axis of housing. provision is made in device for two-stage spraying of water. EFFECT: improved quality of spraying even at very low pressure of water; reduced power requirements. 2 cl, 3 dwg