Patent · US Expired

Air flow passage for a vacuum cleaner

US6736873B2 · kind B2 · utility

112Cited by
88References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2002
Grant dateMay 18, 2004
Priority date
Expiry dateDec 19, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/03
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A vacuum cleaner is provided having improved pressure loss characteristics. A fluid supply conduit in flow communication with an inlet to a cyclone is integrally formed as part of a cyclone bin. The present invention may be adapted for use with cyclonic separation devices of all types, including single- and multi-stage cyclonic separators.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.