The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2017
Filed:
Aug. 05, 2013
Applicant:
Bissell Homecare, Inc., Grand Rapids, MI (US);
Inventor:
Aaron P. Griffith, Grand Rapids, MI (US);
Assignee:
BISSELL Homecare, Inc., Grand Rapids, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/10 (2006.01); A47L 9/20 (2006.01); A47L 9/16 (2006.01); A47L 9/12 (2006.01); B04C 5/185 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1608 (2013.01); A47L 9/1658 (2013.01); A47L 9/1683 (2013.01); A47L 9/122 (2013.01); A47L 9/1666 (2013.01); B04C 5/185 (2013.01);
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 helical step dividing the separation chamber from the collection chamber or a circumferential fin that extends from the inside wall of the collection chamber.