PERISTALTIC PUMP Russian patent published in 1994 - IPC

FIELD: pump engineering. SUBSTANCE: case of the pump is made of two vertical cheek-pieces and an insert interposed between them. The cheek-pieces have through round openings. One of the cheek-pieces is provided with a ring groove wherein a rim with inner teeth is received. The rim engages with pinions at the ends. Rollers are positioned around the rotor and engage with pinions at the ends of the rotor. A shank of the rotor is provided with an additional pinion which engages with the pinion of a drive. A member with hoses is interposed between the cheek-pieces. Each member is made of [-shaped frame with a movable cramp provided on its vertical stands. The stands is provided with longitudinal slots for passing hoses. Each of the members is provided with a control unit for controlling a force for pinching the hose. EFFECT: enhanced efficiency. 3 cl, 5 dwg