PNEUMATIC DUST REMOVER Russian patent published in 1998 - IPC

FIELD: dust removal. SUBSTANCE: pneumatic dust remover has a compressed-air supply system, pistol-type grip furnished with a trigger mechanism for supply of compressed air, and a nozzle. It is furnished with a built-in oscillating valve forming a pulsating flow with periodically repeating pressure pulses and made in the form of a saddle valve with an extended body for movement in longitudinal direction, its one end is tightly engaged with the valve saddle under the action of a compression spring, and the other end is made in the form of a movable piston placed in a closed cylinder. One end of the valve facing the opposite side of the saddle is connected to an air conduit past the saddle valve by means of an internal duct passing through the extended valve body, and its opposite end is connected to the exhaust zone before the saddle located before the saddle valve by means of the internal cylinder valve. EFFECT: enhanced efficiency. 8 cl, 6 dwg