Title:
AN AIR REFLUX ASSEMBLY OF THE VACCUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2005/037046
Kind Code:
A1
Abstract:
The invention relates to an air reflux assembly of a vaccum cleaner, which is applied in normal vaccum cleaners or cleaning robots. The assembly comprises a outer cylinder(1), an inner cylinder(2), a rotatation disc(5), a rotation disc seat(4) and air reflux tubes(3), wherein the inner cylinder is fitted over the lower portion of the interior chamer of the outer cylinder(1), the rotation disc seat(4) is joined to the upper portion of the inner cylinder(2), the lower portion of the rotation disc(5) is placed within the rotation disc seat(4), there are provided three openings respectively on the upper, middle and lower portion of the rotation disc(5), and there are provided three openings on the upper, middle and lower portion of the rotation disc seat(4), respectively corresponding to the three openings on the rotation disc(5), there are also disposed an upper air inlet and a lower air outlet on the rotation disc seat, both ends of the air reflux tube(3) are respectively connected to the air inlet and the air outlet. The vacuum cleaner of the present invention can achieve a great suction force, and is convenient for removing dusts in the cleaner.
Inventors:
ZHANG ZHOUXIN (CN)
Application Number:
PCT/CN2004/000975
Publication Date:
April 28, 2005
Filing Date:
August 23, 2004
Export Citation:
Assignee:
ZHANG ZHOUXIN (CN)
International Classes:
A47L5/22; A47L5/28; A47L9/00; A47L9/20; A47L9/22; F04D27/02; (IPC1-7): A47L9/00; A47L5/00
Foreign References:
| JP2001161606A | 2001-06-19 | |||
| JP2001169973A | 2001-06-26 | |||
| JP2001340268A | 2001-12-11 | |||
| CN1402620A | 2003-03-12 | |||
| CN1355003A | 2002-06-26 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE (3 Shanghai, CN)
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