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US 2023/0258195 A1Published application
Centrifugal Pump for Conveying Media Containing Solids
AssigneeKSB SE & Co. KGaA
InventorsJuergen KALB, Markus PITTROFF, Frank RIEDELBAUCH
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Abstract
A centrifugal pump has an open impeller conveying media containing solids with at least one blade that projects in the direction of an inflow. The surface of the open impeller is at least partially provided with a carbon layer, preferably a tetrahedral hydrogen-free amorphous carbon layer. A surface of an adjacent wear plate may also be coated with tetrahedral hydrogen-free amorphous carbon layer.
Claims15
1-12. (canceled)
A centrifugal pump for conveying media containing solids, comprising:
- an open impeller having at least one vane which projects in a direction of an inflow,
- wherein a surface of the impeller is provided at least in part with a carbon layer.
Dependencies are inferred from the claim text.