Two piece separable impeller and inner drive for pump
US7500829B2 · kind B2 · utility
11Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2005 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Jan 24, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/603
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A separable impeller and inner drive are constructed from different plastics. The inner drive includes a metallic drive ring that receives drive lugs extending from the impeller. A bushing directly supports the inner drive and impeller and maintains extensions from the impeller in engagement with an annular groove in the inner drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.