CLEANING MACHINE Russian patent published in 1997 - IPC

FIELD: cleaning air fields and any road pavements from ice, snow, crashed stone, etc. SUBSTANCE: machine has gas flow generator, gas manifold with feed nozzle, suction device with swirl chamber and moisture and sweeps collecting hopper, all installed on machine chassis. Ring gas manifold of machine is mounted around housing enclosing the hopper which accommodates suction device in form of swirl chamber and ejector installed above chamber, both connected with delivery device. Nozzles for building air curtain are located on end face wall of hopper bottom before swirl chamber inlet. Ejector nozzles are installed at swirl chamber outlet in front of hopper inlet, ejectors being connected with gas flow generator. EFFECT: enlarged operating capabilities. 7 cl, 2 dwg