Patent · US Expired

Electric vacuum cleaner

US7207083B2 · kind B2 · utility

32Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2003
Grant dateApr 24, 2007
Priority date
Expiry dateJan 2, 2024

Classification

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

Abstract

The electric vacuum cleaner is disclosed which includes a main body within which an electric blower and cyclonic separation cylinder are provided. A dust collecting case is provided in communication with the cyclonic separation cylinder to receive dust that has been separated from the inlet tube. The dust collecting case also includes a lifter arranged therein. Air received from the inlet tube is separated such that a portion is passed through the dust collecting case and a communicating passage. The air is subsequently merged and discharge through the electric blower.

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