Patent · US Expired

Hub assembly

US6435832B1 · kind B1 · utility

7Cited by
12References
37Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 27, 2000
Grant dateAug 20, 2002
Priority date
Expiry dateApr 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.