Title:
WATER-ABSORBING SECONDARY CYCLONE DUST SEPARATOR CUP, AND VACUUM CLEANER PROVIDED THEREWITH
Document Type and Number:
WIPO Patent Application WO/2019/085264
Kind Code:
A1
Abstract:
A water-absorbing secondary cyclone separation dust cup, and a vacuum cleaner provided therewith, comprising a cup cover (2) and a cup body (1). The cup body (1) further comprises a body portion (16), a primary cyclone (3) disposed within the opening of the cup body (1), and a secondary cyclone (6) comprising a secondary cyclone body (60) provided with a centrally disposed ventilation hole (64). At least one air guiding portion (62, 63) is arranged on the bottom surface of the secondary cyclone body (60). The air guiding portions (62, 63) comprise spiral air guiding plates (621, 631) that wind around the ventilation hole (64) to form spiral air guiding passages (622, 632). Further comprised are air guiding baffles (623, 633) enclosing first ends of the spiral air guiding plates (621, 631). The spiral air guiding passages (622, 632) are formed by spiral longitudinal extensions along the center line of the ventilation hole (64). The vacuum cleaner further comprises a brush head (400) using recirculated return air from the electric motor to power a rolling brush (221)Use of the dust cup in the vacuum cleaner achieves the purpose of secondary dust-air separation, substantially reducing the number of parts and assembly required, and increasing the storage volume of the dust cup to give the entire machine more stable overall performance.
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| WO/2022/047727 | CYCLONE SEPARATOR AND CLEANING APPARATUS |
| WO/2008/044468 | DUST FLOCCULATING PASSAGE, DUST FLOCCULATING METHOD, AND VACUUM CLEANER |
| JPS5535626 | VACUUM CLEANER |
Inventors:
ZHU ALBERT (CN)
GE LYDO (CN)
WANG VIVIEN (CN)
XI FRANK (CN)
GE LYDO (CN)
WANG VIVIEN (CN)
XI FRANK (CN)
Application Number:
PCT/CN2018/071502
Publication Date:
May 09, 2019
Filing Date:
January 05, 2018
Export Citation:
Assignee:
CUORI ELECTRICAL APPLIANCES GROUP CO LTD (CN)
International Classes:
A47L9/16; A47L7/00; A47L9/04
Foreign References:
| CN201219871Y | 2009-04-15 | |||
| CN2394565Y | 2000-09-06 | |||
| CN101862161A | 2010-10-20 | |||
| CN2600043Y | 2004-01-21 | |||
| CN202714804U | 2013-02-06 | |||
| CN101386010A | 2009-03-18 | |||
| CN105902240A | 2016-08-31 | |||
| CN104545695A | 2015-04-29 | |||
| CN107157400A | 2017-09-15 | |||
| CN201365881Y | 2009-12-23 | |||
| CN204581153U | 2015-08-26 | |||
| DE3904289A1 | 1990-08-16 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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