摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: submerged pump represents a screw or one-impeller pump coupled with the 250 to 300 rpm motor. For the aforesaid motor drive to be coupled with the pump, a bearing assembly is used to sustain radial and axial loads, arranged so that the pump and motor drive abuts on the said bearing assembly on opposite sides. The bearing assembly and pump diameters diameter do not exceed 100 mm. ^ EFFECT: pump operation in minor-diameter holes. ^ 5 cl, 1 dwg |