Title:
CLEANING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/078177
Kind Code:
A1
Abstract:
A cleaning apparatus, comprising: a suction system for generating a suction force for sucking dirty air into the cleaning apparatus; a separation system at least comprising a first-stage separation system and a second-stage separation system (4) and being used for separating garbage in the dirty air; a filtration system for further filtering the air that has passed through the separation system; and a garbage collection system at least comprising a first garbage collection chamber (16) and a second garbage collection chamber (14) which are respectively used for collecting the garbage that has passed through the first-stage separation system and the second-stage separation system (4), wherein the first garbage collection chamber (16) and the second garbage collection chamber (14) have a common seal cover (2), what extending outwardly from the center of the seal cover (2) are bottoms of the first garbage collection chamber (16) and the second garbage collection chamber (14) respectively, and the first garbage collection chamber (16) and the second garbage collection chamber (14) are isolated in seal fashion in a direction perpendicular to the plane of the seal cover (2). The present cleaning apparatus solves the technical problem in the prior art of unstable seal performance between separation stages of a multi-stage cleaning apparatus.
Inventors:
SUN QING (CN)
LEI PENG (CN)
QIAO LIANG (CN)
LIU WANG (CN)
LEI PENG (CN)
QIAO LIANG (CN)
LIU WANG (CN)
Application Number:
PCT/CN2021/119942
Publication Date:
April 21, 2022
Filing Date:
September 23, 2021
Export Citation:
Assignee:
BEIJING ROBOROCK TECH CO LTD (CN)
International Classes:
A47L5/24; A47L9/10; F16J15/10
Foreign References:
| CN213910011U | 2021-08-10 | |||
| CN109984675A | 2019-07-09 | |||
| CN1492743A | 2004-04-28 | |||
| CN111278339A | 2020-06-12 | |||
| CN107105857A | 2017-08-29 | |||
| CN106993978A | 2017-08-01 | |||
| EP0033250A1 | 1981-08-05 | |||
| KR100854147B1 | 2008-08-26 |
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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