ABRASIVE-JET APPARATUS Russian patent published in 2008 - IPC B24C3/00 

FIELD: working parts by shot blasting.

SUBSTANCE: abrasive jet apparatus includes housing with mixing chamber having working nozzle, evacuation cavity, driving and driven shafts, unit for supplying compressed air to mixing chamber. In housing at side of mixing chamber there is diffuser. Mixing chamber is communicated with reservoir for abrasive; the last is restricted by means changeable adapter mounted on housing and having partition and net arranged between changeable adapter and housing. At one side of said partition mixing chamber is arranged; at other side of said partition reservoir for abrasive is arranged. Unit for supplying compressed air is in the form of two rows of vanes. One row of vanes is arranged under diffuser and other row of vanes is arranged under net according to condition for creating evacuation in evacuation cavity. Driving and driven shafts are mutually joined through gear transmission with gear ratio 3.5; rows of vanes are mounted in said shafts. Cyclone is arranged on housing; inner cylindrical portion of cyclone is successively joined with evacuation cavity.

EFFECT: improved efficiency of apparatus.

1 dwg