Title:
MULTI-CYCLONE DUST COLLECTION DEVICE AND VACUUM CLEANER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/225215
Kind Code:
A1
Abstract:
In a multi-cyclone dust collection device and a vacuum cleaner comprising same, the multi-cyclone dust collection device comprises: a primary cyclone separator for primarily separating refuse from influent air containing refuse; and a secondary cyclone separator which is provided in the primary cyclone separator and which separates dust from the air discharged from the primary cyclone separator. The secondary cyclone separator includes: a secondary cyclone including at least two inlets into which air flows and an outlet through which the influent air is discharged; and an upper cover which is a cover for covering the upper end of the secondary cyclone and which includes a discharge pipe inserted into the outlet to discharge the air. The upper cover further includes a plurality of flow guides arranged between the inlets, which are adjacent to each other, to minimize air flow interference between the inlets adjacent to each other, and provided on the outer surface of the discharge pipe to correspond to the at least two inlets.
Inventors:
CHOI INGYU (KR)
CHA SEUNGRYONG (KR)
KIM SEEHYUN (KR)
KIM HYEONCHEOL (KR)
LEE HYUNJU (KR)
LEE HYUNHO (KR)
CHA SEUNGRYONG (KR)
KIM SEEHYUN (KR)
KIM HYEONCHEOL (KR)
LEE HYUNJU (KR)
LEE HYUNHO (KR)
Application Number:
PCT/KR2022/004370
Publication Date:
October 27, 2022
Filing Date:
March 29, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
A47L9/16; A47L5/24
Domestic Patent References:
| WO2009104959A1 | 2009-08-27 |
Foreign References:
| KR102080013B1 | 2020-02-21 | |||
| KR102176887B1 | 2020-11-10 | |||
| US20080155947A1 | 2008-07-03 | |||
| US20130291334A1 | 2013-11-07 |
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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