Molten metal impeller
US5785494A · kind A · utility
129Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1997 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Apr 23, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D7/065
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a shaft. A plurality of circumferentially spaced passages extend from the top surface to a side wall of the impeller, each of the passages being separate and preferably having an inlet opening which is equal to or less than the corresponding outlet opening in size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.