PNEUMATIC VIBRATOR Russian patent published in 1997 - IPC

FIELD: manufacture of building materials; packing and transportation of concrete mixes and loose materials. SUBSTANCE: vibrator has housing 1 where bush 2 with tangential nozzles 3 is secured and unbalanced mass 4 embracing this bush is mounted. Power carrier from branch pipe 8 enters cavity 6 of bush via its passage 7 and acts via tangential nozzles 3 on surface 10 of unbalanced mass formed by circular rim of blades 11. Used power carrier escapes into atmosphere through cavity 9 of housing where unbalanced mass is mounted. Vibrator may be used as suspended vibrator operating in any spatial position and as internal vibrator. EFFECT: simplified construction and enhanced reliability. 2 cl, 1 dwg