ROTOR PUMP Russian patent published in 2014 - IPC F04C5/00 F04C2/44 

FIELD: engines and pumps.

SUBSTANCE: invention relates to the field of machine building, in particular, to rotor pumps. A rotor pump comprises a cylindrical body 1, limited by upper and lower bases with inlet and outlet holes 5 and 7, a rotor 2 installed on a shaft and gates 8 and 9, which separate the space between the rotor 2 and the body 1 into chambers 12 and 13, which vary their volume in process of rotor 2 rotation. Gates 8 and 9 are made as elastic from two coupled arcs, one end of the gate 8 and 9 is rigidly fixed to the rotor 2, and the other one is equipped with a wear-resistant attachment 11 and pressed by elastic forces to the inner surface of the body 1 as capable of displacement in the radial direction.

EFFECT: invention is aimed at increasing pump reliability.

3 cl, 3 dwg