Patent · US Expired

Dust collecting unit of vacuum cleaner

US7409744B2 · kind B2 · utility

8Cited by
18References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2006
Grant dateAug 12, 2008
Priority date
Expiry dateApr 25, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/03
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A dust collecting unit for a vacuum cleaner is provided. The dust collecting unit includes a dust separating chamber with an air inlet formed on an outer surface thereof and an air outlet formed on one side thereof, a main dust collecting chamber formed in the dust separating chamber for separating dust and dirt in a cyclonic fashion, an auxiliary dust collecting chamber formed at one side of the main dust collecting chamber, and a partition plate for partitioning the main dust collecting chamber. The dust collecting unit allows an amount of air sucked and the efficiency of collecting dust and dirt to be greatly increased.

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