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.

Date of Patent:
Apr. 09, 2024

Filed:

Sep. 20, 2019
Applicant:

Tineco Intelligent Technology Co., Ltd., Suzhou, CN;

Inventors:

Tao Zhu, Suzhou, CN;

Wei Xu, Suzhou, CN;

Fan Fan, Suzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/19 (2006.01); A47L 9/12 (2006.01); A47L 9/28 (2006.01);
U.S. Cl.
CPC ...
A47L 9/19 (2013.01); A47L 9/12 (2013.01); A47L 9/2831 (2013.01); A47L 9/2842 (2013.01); A47L 9/2857 (2013.01);
Abstract

The present disclosure discloses a method for reminding a replacement of a filter of a vacuum cleaner, including: obtaining a rotating speed difference of a motor within a set time interval; comparing, according to a working parameter of the vacuum cleaner, the rotating speed difference with a preset rotating speed difference threshold, to obtain a comparison result; and determining whether to remind a user to replace the filter according to the comparison result. With the method provided by the present disclosure, the vacuum cleaner may timely and automatically remind the user to replace the filter during the use of the vacuum cleaner, thereby reducing power loss, maintaining the normal use of the vacuum cleaner, and prolonging the service life of the motor.


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