VANE-TYPE SUBMERSIBLE PUMP Russian patent published in 2012 - IPC F04C2/344 

FIELD: engines and pumps.

SUBSTANCE: vane-type submersible pump includes at least one stage located on shaft 1 and consisting of housing 2 with inlet 6 and outlet channels, which is restricted with upper and lower 3 bases. Disc 5 rotating on shaft 1 is located in cavity of lower base 3. On opposite end of housing there arranged eccentrically to disc 5 are central and hollow cylinders 9 and 10 which are coaxial to each other and interconnected via diametric slots through which working plates 7 move. Each plate 7 is equipped with leg 8 fixed in the hole on rotating disc 5 and providing the rotation of working plates 7 about their axes. Hollow and central cylinders 10 and 9 are buried into slots of upper base and have the possibility of synchronous rotation due to movement of working plates 7 in diametric slots. A gap is formed between the edge of working plate 7 and internal surface of housing 2.

EFFECT: high operating reliability and resistance of the design to abrasion is provided.

4 cl, 4 dwg