Impeller having a hub assembled from a plurality of identical parts
US6176680A · kind A · utility
44Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1999 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Jun 9, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/181
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention concerns an impeller or a propeller for a rotary machine such as a pump, a turbine or a propulsion unit. The impeller comprises a hub (1) and an intermediate part put together by a number of identical hub sections (3) with mounted vanes (4). The partition between two hub sections (3) follows a curve which is substantially axially directed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.