Ecovacs Robotics has been granted a patent for a control method of a cleaning robot. The method involves a cleaning mode for the robot’s driving wheels, which includes turning off the vacuumizing assembly to lift the robot and then rotating the wheels for cleaning. GlobalData’s report on Ecovacs Robotics gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Ecovacs Robotics, Cleaning robots was a key innovation area identified from patents. Ecovacs Robotics's grant share as of July 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
Cleaning robot control method for driving wheel maintenance
The patent US12016502B2 outlines a control method for a cleaning robot designed to enhance its operational efficiency, particularly in maintaining the cleanliness of its driving wheels. The cleaning robot features a top part, a bottom part equipped with at least two driving wheels, and a vacuumizing assembly that allows it to adhere to a working surface. The method begins with a user command to initiate a cleaning mode, during which the vacuumizing assembly is turned off to lift the robot. Once lifted, the assembly remains off while at least one of the driving wheels is activated for cleaning. The method also includes determining the angle between the robot's bottom part and the working plane, which influences the cleaning actions of the driving wheels.
The claims further detail specific operational parameters based on the angle of inclination. For instance, when the angle is between 0 and 30 degrees, only one driving wheel rotates, while both wheels rotate in the same direction for angles between 30 and 50 degrees. For angles up to 90 degrees, the wheels alternate between forward and backward rotations. Additionally, the cleaning robot is equipped with a cleaning unit, which may include a water spraying device or brushes, to facilitate the cleaning of the driving wheels during operation. The system also incorporates sensors to accurately measure the angle of inclination and adjust the cleaning actions accordingly. Overall, the patent presents a comprehensive approach to maintaining the functionality of cleaning robots, ensuring they remain effective in their cleaning tasks.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
