发明名称 BOREHOLE SUBMERGED PUMP
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
申请公布号 RU2338928(C2) 申请公布日期 2008.11.20
申请号 RU20030135866 申请日期 2003.12.11
申请人 NETSSH OJLFILD PRODAKTS GMBKH 发明人 AJTLER JERG;DITTRIKH JOKHEN
分类号 F04B1/00;F04C2/107;F04B47/00;F04C2/08;F04C13/00;F04C15/00 主分类号 F04B1/00
代理机构 代理人
主权项
地址