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:
Apr. 05, 2016
Filed:
Jun. 13, 2014
Applicant:
Dyson Technology Limited, Wiltshire, GB;
Inventors:
Andrew Charlton Clothier, Swindon, GB;
James Douglas Chisholm, Swindon, GB;
Assignee:
Dyson Technology Limited, Malmesbury, Wiltshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/04 (2006.01); A47L 9/28 (2006.01);
U.S. Cl.
CPC ...
A47L 9/0411 (2013.01); A47L 9/2831 (2013.01); A47L 9/2842 (2013.01); A47L 9/2868 (2013.01); A47L 9/2884 (2013.01); A47L 9/2894 (2013.01);
Abstract
A vacuum cleaner that includes a suction source, a cleaner head, and a controller. The suction source includes an impeller and a first motor for driving the impeller, and the cleaner head includes an agitator and a second motor for driving the agitator. The controller is configured to generate control signals for controlling simultaneously the excitation of the first motor and the second motor.