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Title:
OUTDOOR CLEANING DEVICE INCLUDING DOUBLE CYCLONE UNIT
Document Type and Number:
WIPO Patent Application WO/2022/231149
Kind Code:
A1
Abstract:
The present invention relates to an outdoor cleaning device including a double cyclone unit, wherein the double cyclone unit comprises: a first cyclone part, which rotates, on a spiral track, air suctioned by a suction part, so as to separate foreign substances from corresponding air; and a second cyclone part, which is provided in the first cyclone part to re-rotate, on the spiral track, the air having passed through the first cyclone part, and thus separate foreign substances from corresponding air. The outdoor cleaning device including a double cyclone unit, according to the present invention, causes air suctioned by a suction part to flow along the spiral track in multiple stages, so as to filter out foreign substances in the air, and thus can provide relatively high cleaning efficiency even if used for a long time.

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Inventors:
SONG CHANG GEUM (KR)
JOO KANG SIG (KR)
Application Number:
PCT/KR2022/004704
Publication Date:
November 03, 2022
Filing Date:
April 01, 2022
Export Citation:
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Assignee:
DREAM C&G CO LTD (KR)
International Classes:
E01H1/08
Foreign References:
KR20070000634A2007-01-03
KR100926900B12009-11-17
JP2013221312A2013-10-28
KR100556441B12006-03-03
KR20080061102A2008-07-02
KR102346194B12022-01-03
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)
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