Impeller shaft assembly system
US6709234B2 · kind B2 · utility
124Cited by
11References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Aug 31, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7098
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An impeller shaft assembly, coupler and molten metal pump are described, in which a coupling member is configured to be secured to a pump drive shaft and includes a socket part that is defined by a socket wall formed about and extending along an axis. The socket wall includes a plurality of coupling shaft engaging surfaces and a plurality of socket corner surfaces joining the shaft engaging surfaces. The socket corner surfaces are disposed radially outward from adjacent shaft engaging surfaces with respect to the axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.