发明名称 |
PUMP FOR PUMPING LIQUID AS WELL AS AN IMPELLER ASSEMBLY |
摘要 |
The invention relates to an impeller assembly and a pump for pumping a liquid, comprising a pump chamber and an impeller (4) arranged to rotate in said pump chamber, said impeller being suspended in a lower end (5) of an axially extending drive shaft unit (6), wherein said lower end (5) of the drive shaft unit (6) is received in a cylinder-shaped recess (10) of the impeller (4), wherein the impeller (4) is displaceable back and forth in the axial direction in relation to the drive shaft unit (6). The impeller further comprises an axially extending hole (21) that connects the cylinder-shaped recess (10) and the pump chamber and that the drive shaft unit (6) comprises an axially extending pin (22) that projects from said lower end (5) of the drive shaft unit (6), wherein said pin (22) is arranged in said hole (21). |
申请公布号 |
WO2015022601(A1) |
申请公布日期 |
2015.02.19 |
申请号 |
WO2014IB63731 |
申请日期 |
2014.08.06 |
申请人 |
XYLEM IP MANAGEMENT S.À.R.L. |
发明人 |
ANDERSSON, PATRIK;RAMSTRÖM, STEFAN |
分类号 |
F04D7/04;F04D15/00;F04D29/042;F04D29/20 |
主分类号 |
F04D7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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