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US 11,464,374 B2Granted
Robot cleaner
AssigneeSamsung Electronics Co., Ltd.
InventorsKyung Han Jeong, Byung Chan Kim, Woo Ram Oh, Kyu Ha Lee, Byoung In Lee
Life of this patent
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Abstract
Disclosed is a robot cleaner which adjusts a suction area of air suctioned into a suction port through a shutter and a shutter driving device configured to operate the shutter, so that a flow rate of air is adjusted, thus more effectively suctioning dust in the air by using a fan motor having a fixed capacity.
Claims14
A robot cleaner comprises:
- a suction unit provided at a lower surface thereof and including:
- a suction port to suction air, and
- a plurality of suction guide grooves provided at a front side of the suction port and configured to guide air introduced into the suction port;
- a shutter installed at the front side of the suction port so as to be movable up and down and opens or closes rear sides of the plurality of the suction guide grooves by moving up and down;
- a shutter driving device configured to move the shutter up and down;
- and
- a controller configured to control upward and downward movements of the shutter driving device.
4 more elements
Dependencies are inferred from the claim text.