GAS-JET MACHINE Russian patent published in 2006 - IPC E01H5/10 

FIELD: removing snow or ice from roads or like surfaces, particularly devices for deicing of aerodrome and road paving.

SUBSTANCE: gas-jet machine comprises motor vehicle chassis, air accumulation receiver installed on motor vehicle chassis along longitudinal axis thereof. The air accumulation receiver has spiral through channel. Gas-jet machine also has air flow generator made as aviation turbo-prop engine and centrifugal air pump mounted inside the receiver at through channel inlet. The air pump is provided with jet training nozzle which may be adjusted in accordance with angle of air delivery to surface to be treated and is directed transversely to longitudinal chassis axis. Centrifugal air pump is made as aircrew having changeable pitch so that blades thereof may be installed in feather position. Airscrew diameter may be equal to 2.2-3.9 m.

EFFECT: prevention of paving damage and reduced operational costs.

2 dwg