Title:
VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2022/036613
Kind Code:
A1
Abstract:
Disclosed is a vacuum cleaner, which belongs to the technical field of vacuum cleaners. The vacuum cleaner has an outgoing air guide channel, a impeller is arranged within an air inlet of the outgoing air guide channel, the impeller is configured to expel an air stream into the outgoing air guide channel, and a stream blocking structure is provided between an inner wall of the outgoing air guide channel and the impeller, so as to obstruct the air stream from flowing back along a surface of the impeller. The air stream can be obstructed from flowing back along the surface of the impeller by means of the stream blocking structure, reducing air flow leakage, and thereby improving overall efficiency and performance.
Inventors:
GU LIANG (CN)
LI XIAOLIANG (CN)
KONG ZHAO (CN)
LI XIAOLIANG (CN)
KONG ZHAO (CN)
Application Number:
PCT/CN2020/110136
Publication Date:
February 24, 2022
Filing Date:
August 20, 2020
Export Citation:
Assignee:
SKYBEST ELECTRIC APPLIANCE SUZHOU CO LTD (CN)
International Classes:
A47L9/00; A47L5/36; F04D29/66
Foreign References:
| CN110664305A | 2020-01-10 | |||
| CN207960999U | 2018-10-12 | |||
| CN206723092U | 2017-12-08 | |||
| JP2002330901A | 2002-11-19 | |||
| JP2008119530A | 2008-05-29 |
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