PULSATING VALVE SUBMERGED PUMP Russian patent published in 2008 - IPC G21F9/34 

FIELD: engines and pumps.

SUBSTANCE: invention relates to nuclear power engineering, particularly, to processing radioactive wastes. The proposed pulsating valve submerged pump incorporates a housing, an air control valve, a pulsating duct, an inlet ball valve with the ball up-travel limiter and a spring and movable perforated screen, a pressure line with an outlet ball valve, lower nozzles, a shaft with a flap, an upper pipe with a check ball valve, a washing head with a nozzle, union and an articulated rod, a washing head drive shaft and a control system the said upper pipe with the ball check valve is jointed to the pressure line, right above the valve body jointed also to the upper nozzle by a flexible line. The pump incorporates a bearing assembly supporting a gear wheel in mesh with the pump drive gear supporting, in its turn, the perforated plate. The said plate holes are arranged along the circumference. An optical pickup comprising a LED and a photo-transistor are arranged aligned with the aforesaid holes. The housing bottom, right beneath the shaft furnished with the flap, is provided with taper seat communicating with the lower nozzles. The outlet ball valve and compressed air and rinsing solution feed lines communicate with the other lines via flexible pipes.

EFFECT: expanded performances, higher safety and reliability.

3 cl, 8 dwg