Title:
ROBOT CLEANER
Document Type and Number:
WIPO Patent Application WO/2017/018691
Kind Code:
A1
Abstract:
A robot cleaner is disclosed. The robot cleaner includes a main body defining an outer appearance thereof, a suction device mounted inside the main body and including a suction motor and a suction fan, a suction port for sucking foreign substances from a floor upon operation of the suction device, a dust collection device for collecting foreign substances from air sucked through the suction port, one or more wheels for enabling the main body to travel autonomously, and a control unit for controlling the operation of the suction device and the wheels. The suction motor includes a stator and a rotor disposed around the stator and formed to be rotated with a rotating shaft. The rotor includes a first magnet for rotating the rotor around the stator, and a second magnet for preventing the rotating shaft of the suction motor from moving axially within a range of end play.
Inventors:
SUNG JIHOON (KR)
KIM BONGJU (KR)
KANG HYUNGSUK (KR)
KIM BONGJU (KR)
KANG HYUNGSUK (KR)
Application Number:
PCT/KR2016/007542
Publication Date:
February 02, 2017
Filing Date:
July 12, 2016
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L5/22; A47L9/00; A47L9/22; A47L9/28; B25J9/00; B25J11/00; B25J13/08
Foreign References:
| KR20090006821A | 2009-01-15 | |||
| KR20100138099A | 2010-12-31 | |||
| KR20130020062A | 2013-02-27 | |||
| KR20140109178A | 2014-09-15 | |||
| JP2003323214A | 2003-11-14 |
Other References:
See also references of EP 3328254A4
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
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