Hub assembly
US6435832B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2000 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Apr 27, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F27/071
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An assembly for rotationally coupling a set of blades to a drive shaft. The assembly includes an sleeve rotationally coupled to the drive shaft, a cap rotationally coupled to the sleeve, and a lower ring located between the cap and the sleeve, the lower ring having a set of generally radially extending blades. The assembly further includes an upper ring located between the lower ring and the sleeve, the upper ring having a set of generally radially extending blades, wherein the upper and lower rings are rotationally coupled to at least one of the sleeve or the cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.