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US 2023/0417241 A1Published application
Rotor unit and eccentric screw pump
AssigneeViscotec Pumpen-U. Dosiertechnik GmbH
InventorsHorst KELSCH, Jürgen AUER
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Abstract
A rotor unit for an eccentric screw pump, comprising a drive shaft which is drivable by means of a drive element of the eccentric screw pump, a helical rotor, and a flex shaft connecting the drive shaft to the rotor, wherein the flex shaft is at least in part accommodated within in the drive shaft, and wherein between the flex shaft and the drive shaft a gap extending around the flex shaft is provided, which allows for a radial movement of the flex shaft within the drive shaft.
Claims15
A rotor unit for an eccentric screw pump, comprising
- a drive shaft which is drivable by means of a drive element of the eccentric screw pump,
- a helical rotor, and
- a flex shaft connecting the drive shaft to the rotor,
- wherein the flex shaft is at least in part accommodated within in the drive shaft, and
- wherein, between the flex shaft and the drive shaft, a gap extending around the flex shaft is provided, which allows for a radial movement of the flex shaft within the drive shaft.
2 more elements
Dependencies are inferred from the claim text.