Title:
DUST COLLECTION BARREL HAVING AUTOMATIC DUST REMOVAL FUNCTION
Document Type and Number:
WIPO Patent Application WO/2021/088172
Kind Code:
A1
Abstract:
A dust collection barrel having an automatic dust removal function, provided with at least two or two groups of filters (4). A dust collection and removal reversing valve (20) is provided for each or each group of filters (4); then, a driving device is provided for a combined air door on each dust collection and removal reversing valve (20); each combined air door is switched between a first working position and a second working position in turn under the action of the driving device. In the first working position state, each combined air door opens a dust collection air outlet (24) and closes a dust removal air inlet (22), and in the second working position state, each combined air door closes the dust collection air outlet (24) and opens the dust removal air inlet (22). By means of the solution, dust collection and dust removal are achieved simultaneously, and the dust collection barrel is particularly suitable for industrial scenarios and public places such as hotels and restaurants where the dust collection amount is large and continuous long-time work is needed.
Inventors:
CUI KAIXUE (CN)
Application Number:
PCT/CN2019/122745
Publication Date:
May 14, 2021
Filing Date:
December 03, 2019
Export Citation:
Assignee:
SUZHOU BEISI ENVIROMENT PROT TECHNOLOY CO LTD (CN)
International Classes:
A47L9/00
Foreign References:
| CN203263298U | 2013-11-06 | |||
| CN109394070A | 2019-03-01 | |||
| CN208447461U | 2019-02-01 | |||
| CN107411637A | 2017-12-01 | |||
| CN103844997A | 2014-06-11 | |||
| EP3549505A1 | 2019-10-09 | |||
| US20120311814A1 | 2012-12-13 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT&TRADEMARK AGENCY LTD. (CN)
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