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. 03, 2017
Filed:
Oct. 21, 2015
Applicant:
Dyson Technology Limited, Wiltshire, GB;
Inventors:
Charles Geoffrey Box, Swindon, GB;
Mark Andrew Johnson, Bath, GB;
Assignee:
Dyson Technologies Limited, Malmesbury, Wiltshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); A47L 5/22 (2006.01); A47L 9/16 (2006.01); H02K 9/06 (2006.01); A47L 9/22 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2889 (2013.01); A47L 5/22 (2013.01); A47L 9/165 (2013.01); A47L 9/1608 (2013.01); A47L 9/1625 (2013.01); A47L 9/1641 (2013.01); A47L 9/22 (2013.01); H02K 9/06 (2013.01);
Abstract
A vacuum cleaner that includes a first dirt-separation stage, a second dirt-separation stage, and a vacuum motor for moving air through the first dirt-separation stage and the second dirt-separation stage. The vacuum motor has a centrifugal impeller driven by an electric motor. The first dirt-separation stage is then located upstream of the impeller, the second dirt-separation stage is located downstream of the impeller, and the second dirt-separation stage has a plurality of cyclonic separators that are arranged around the vacuum motor.