Centrifugal pump for conveying media containing solids
US12331757B2 · kind B2 · utility
0Cited by
3References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 2021 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Aug 25, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/611
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A centrifugal pump for conveying media containing solids includes at least one arrangement for reducing a backflow from a first chamber into a second chamber. The at least one arrangement includes at least one non-rotating element that cooperates with at least one rotating counter element. At least one of the at least one non-rotating element and the at least one rotating element I coated at least in parts by a tetrahedral hydrogen-free amorphous carbon layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.