Riserless transfer pump and mixer/pre-melter for molten metal applications
US8246295B2 · kind B2 · utility
6Cited by
3References
14Claims
0Family size
Inventor
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Oct 22, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D7/065
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump for processing molten metal having an enlarged tubular body which houses a centrifugal pump at its bottom end. The bottom end has a parabolic shape which receives the ejected molten metal from the impeller and forms a vortex within the tubular body. The pump is controlled to cause the vortex to climb up the inner wall of the body up to and out of an outlet formed in the upper end of the body. A radial vane impeller is formed in the back plate of the impeller. When the impeller is rotated, solid particles introduced into the body are accelerated radially by the back plate impeller into the vortex.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.