Cutting ring element for a centrifugal chopper pump
US7584916B2 · kind B2 · utility
9Cited by
20References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Aug 7, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D7/045
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cutting ring element for a centrifugal pump of the chopper type comprises a ring-like structure having at least one cutting member positioned along the ring-like structure and extending outwardly therefrom. The cutting ring element is structured to be positioned adjacent the drive side of an impeller having cutting structures associated with the drive side of the impeller which interact with the cutting ring element to chop and reduce the size of entrained solids in a pumped fluid, or slurry, to prevent such solids from infiltrating behind the impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.