Title:
HANDHELD VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2022/174586
Kind Code:
A1
Abstract:
A handheld vacuum cleaner (100), comprising a dust cup assembly (4), a multi-cone separator (2), and a motor assembly (3). The dust cup assembly (4) comprises a dust cup (41) and a first filtering structure (44) provided in the dust cup (41), and the first filtering structure (44) is annularly arranged; the multi-cone separator (2) comprises a plurality of conical barrels (21) which are provided outside the first filtering structure (44) and located at one end of the first filtering structure (44) in the axial direction, and air inlet ends of the plurality of conical barrels (21) are in fluid communication with an air outlet end of the first filtering structure (44); the motor assembly (3) comprises a motor (31) provided outside the first filtering structure (44), the motor (31) and the plurality of conical barrels (21) are located at the same end of the first filtering structure (44), an air inlet end of the motor (31) is in fluid communication with an air outlet end of the multi-cone separator (2), and the plurality of conical barrels (21) at least partially surround the peripheral side of the motor (31). The present invention can effectively improve the dust collection effect of the vacuum cleaner and achieves smaller size and better user experience.
Inventors:
ZHANG RU (CN)
FAN SUXIANG (CN)
FAN SUXIANG (CN)
Application Number:
PCT/CN2021/119607
Publication Date:
August 25, 2022
Filing Date:
September 22, 2021
Export Citation:
Assignee:
DREAME INNOVATION TECH SUZHOU CO LTD (CN)
International Classes:
A47L5/24
Foreign References:
| CN112971586A | 2021-06-18 | |||
| CN111358336A | 2020-07-03 | |||
| CN112336245A | 2021-02-09 | |||
| CN208837809U | 2019-05-10 | |||
| CN110051278A | 2019-07-26 | |||
| CN108523761A | 2018-09-14 | |||
| CN111870180A | 2020-11-03 | |||
| US20020189048A1 | 2002-12-19 |
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