POSITIVE-DISPLACEMENT PUMP Russian patent published in 2003 - IPC

FIELD: applicable on vegetable gardens for pumping- out of water. SUBSTANCE: the positive-displacement pump has a body, medium suction and pressure channels. A pair of opposite rotors-pistons interconnected by a partition for rotation about its longitudinal axis is positioned in the body. A plate with a plot accommodating the partition is positioned in the body at an angle to the axis of the rotors-pistons. At least one of the rotors- pistons is connected to the drive shaft. The axis of the rotors-pistons coincides with the axis of the drive shaft. The medium suction and pressure channels are made in different rotors-pistons on different sides of the partition in the form of through holes. The plate is made in the form of a disk. An annular groove is made in the body, in which the disk rim is positioned, installed for rotation about its axis. EFFECT: simplified construction, its fabrication practice, enhanced capacity. 7 cl, 4 dwg