Pump for pumping liquid as well as an impeller assembly
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United States of America Patent
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Aug 6, 2014
filing date -
Aug 15, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An impeller assembly and a pump for pumping a liquid, including a pump chamber and an impeller arranged to rotate in the pump chamber, the impeller being suspended in a lower end of an axially extending drive shaft unit, wherein the lower end of the drive shaft unit is received in a cylinder-shaped recess of the impeller, wherein the impeller is displaceable back and forth in the axial direction in relation to the drive shaft unit. The impeller further includes an axially extending hole that connects the cylinder-shaped recess and the pump chamber and that the drive shaft unit includes an axially extending pin that projects from the lower end of the drive shaft unit, wherein the pin is arranged in the hole.
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