SEALED CENTRIFUGAL PUMP Russian patent published in 1998 - IPC

FIELD: pumping equipment. SUBSTANCE: invention is related to design of units of pumps for nonpositive expulsion with flexible sealing of mobile parts that can be used to pump media carrying impurities. Sealed centrifugal pump has body with rear lid, guiding apparatus, sucking and injecting branch pipes and axle anchored in rear lid with the aid of one or several membranes or bellows. Outer end of axle in put into bearing unit located eccentrically on end of shaft of drive. Axle of drive is placed at angle to axis of rocking element and end of axle positioned inside body of pump carries working element in the form of disc. EFFECT: enhanced operational reliability by prevention of jamming of working element by solid mechanical particles carried in medium pumped over. 3 dwg