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:
Dec. 21, 2021
Filed:
Jan. 16, 2019
Applicant:
Tti (Macao Commercial Offshore) Limited, Macau, MO;
Inventors:
Kevin Pohlman, Tega Cay, SC (US);
Christopher M. Charlton, Mint Hill, NC (US);
Assignee:
Techtronic Floor Care Technology Limited, Tortola, VG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); A47L 9/04 (2006.01); A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2826 (2013.01); A47L 9/0411 (2013.01); A47L 9/0477 (2013.01); A47L 9/28 (2013.01); A47L 9/2821 (2013.01); A47L 9/2831 (2013.01); A47L 9/2842 (2013.01); A47L 9/2847 (2013.01); A47L 9/2857 (2013.01); A47L 11/4011 (2013.01); A47L 11/4069 (2013.01);
Abstract
A cleaner including a base defining a suction chamber, a brush roll driven by a brush roll motor, a sensor configured to sense a parameter related to a floor; and a controller having a memory and electronic processor. The controller is configured to receive the parameter, control the brush roll motor based on the parameter and a first floor coefficient, determine a second floor coefficient based on the parameter, and control the brush roll motor based on the second floor coefficient.