Patent · US Active

Cyclonic vacuum cleaner with improved collection chamber

US8499411B2 · kind B2 · utility

21Cited by

22References

11Claims

0Family size

Assignee

BISSELL Homecare, Inc. · US

Inventors

Phong Hoang Tran · Caledonia, US
Aaron P. Griffith · Grand Rapids, US

Key dates

Filing date	Jun 4, 2009
Grant date	Aug 6, 2013
Priority date	—
Expiry date	Nov 4, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB04C5/185
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A vacuum cleaner with a cyclone module assembly comprises a cyclone separation chamber for separating dust and debris from air and a collection chamber for collecting dust and debris that is separated from the air in the cyclone separation chamber. The cyclone module assembly further includes at least one feature for directing contaminants downwardly, such as a circumferential fin that extends from the inside wall of the collection chamber or a helical step dividing the separation chamber from the collection chamber.

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