Title:
CYCLONIC SEPARATION APPARATUS AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/154314
Kind Code:
A1
Abstract:
A cyclonic separation apparatus (100) and a dust collector comprising the cyclonic separation apparatus. The cyclonic separation apparatus (100) comprises: a housing (10) and a cyclonic separation unit; the cyclonic separation unit is disposed in the housing (10) to separate dirt from a dust-containing airflow; the cyclonic separation unit comprises a first-level cyclonic separator (20) and multiple second-level cyclonic separators (30) located at the downstream of the first-level cyclonic separator in a flow direction of the airflow; the multiple second-level cyclonic separators (30) surround the first-level cyclonic separator (20); the first-level cyclonic separator (20) comprises an air guide channel and a first-level cyclonic channel (201) surrounding a part of the air guide channel; the dust-containing airflow enters the first-level cyclonic channel (201) from the air guide channel for cyclonic separation and then enters the second-level cyclonic separators (30) from the air guide channel.
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JP2006239362 | VACUUM CLEANER |
WO/2009/131318 | MULTI-CYCLONE DUST-COLLECTING APPARATUS AND CLEANER HAVING THE SAME |
Inventors:
DAI JUN (CN)
BAO HUI (CN)
FANG JIE (CN)
KANG DONGHWY (CN)
BAO HUI (CN)
FANG JIE (CN)
KANG DONGHWY (CN)
Application Number:
PCT/CN2019/074393
Publication Date:
August 15, 2019
Filing Date:
February 01, 2019
Export Citation:
Assignee:
JIANGSU MIDEA CLEANING APPLIANCES CO LTD (CN)
MIDEA GROUP CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
A47L9/16
Foreign References:
CN106861937A | 2017-06-20 | |||
CN204427939U | 2015-07-01 | |||
CN102283613A | 2011-12-21 | |||
CN108294686A | 2018-07-20 | |||
CN108261145A | 2018-07-10 |
Other References:
See also references of EP 3747332A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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