TWO-ROTOR PUMP Russian patent published in 2017 - IPC F04C2/32 F04C11/00 

FIELD: engine devices and pumps.

SUBSTANCE: pump consists of two halves, each of which includes inner cylinder of a body 1, 11, outer cylinder of a rotor 2, 12 with a gate-type partition 5, 15, an outlet 3, 13, an inlet 4, 14, a suction chamber 6, 16, a discharge chamber 7, 17, an eccentric bushing 9, 19 on a shaft 10, a bearing 8, 18, and a roller seal 22, 23. Working medium outlet is carried out through an injector nozzle 20 and an outlet pipeline 21.

EFFECT: elimination of alternate interruption of liquid pumping by one of two rotors and provision of self-suction.

3 dwg