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Patent US7335242B2 successfully refreshed from Google Patents.
US7335242B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi cyclone dust-collecting apparatus
Assignee: Samsung Electronics Co Ltd
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Filing: 2005-03-09
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Granted: 2008-02-26
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Expires: 2025-03-09
Abstract
Abstract A multi cyclone dust collecting apparatus comprises a multi cyclone unit having a first cyclone and a plurality of secondary cyclones. The first cyclone separates relatively large particles whereas the secondary cyclones separate out smaller particles. The cyclones are under a top cover mounted on a top portion of the multi cyclone unit and having a plurality of connecting covers forming a connecting path for guiding air flowing out of the first cyclone to the secondary cyclone, and a discharge cover forming a discharge path for guiding air flowing out of the secondary cyclone to the outside. The connecting covers and the discharge cover are integrally formed. A contaminant collecting unit is mounted to a bottom portion of the multi cyclone unit and collects contaminants separated from the first cyclone and the secondary cyclones.
Inventors
- 👤 Jang-Keun Oh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:43
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1616; A47L9/1625; A47L9/1641; B04; B04C; B04C5/00; B04C5/12; B04C5/14; B04C5/185; B04C5/24; B04C5/26; B04C5/28
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
121 words
A multi cyclone dust collecting apparatus comprising: a multi cyclone unit having a first cyclone and a plurality of secondary cyclones; a top cover mounted on a top portion of the multi cyclone unit and having a plurality of connecting covers forming a connecting path for guiding air flowing out of the first cyclone to the secondary cyclones, and a discharge cover forming a discharge path for guiding air flowing out of the secondary cyclone to the outside, wherein the connecting covers and the discharge cover are integrally formed with the top cover; and a contaminant collecting unit mounted to a bottom portion of the multi cyclone unit and for collecting contaminants separated from the first cyclone and the secondary cyclones.
Claim 2
Dependent Claim
121 words
A multi cyclone dust collecting apparatus comprising: a multi cyclone unit having a first cyclone and a plurality of secondary cyclones; a top cover mounted on a top portion of the multi cyclone unit and having a plurality of connecting covers forming a connecting path for guiding air flowing out of the first cyclone to the secondary cyclones, and a discharge cover forming a discharge path for guiding air flowing out of the secondary cyclone to the outside, wherein the connecting covers and the discharge cover are integrally formed with the top cover; and a contaminant collecting unit mounted to a bottom portion of the multi cyclone unit and for collecting contaminants separated from the first cyclone and the secondary cyclones.
Claim 3
Dependent Claim
60 words
The multi cyclone dust collecting apparatus according to claim 1 , wherein the discharge cover comprises a first area gathering air discharged from the secondary cyclone, a plurality of secondary areas branched from the first area and connected with the secondary cyclone in fluid-communication, and a third area which forms a passage for discharging air gathered from the first area.
Claim 4
Dependent Claim
48 words
The multi cyclone dust collecting apparatus according to claim 2 , wherein the first area is formed in a middle portion of the top cover, and the secondary area is radially formed at the top cover to guide air discharged from the secondary cyclone to the secondary area.
Claim 5
Dependent Claim
43 words
The cyclone dust collecting apparatus according to claim 2 , further comprising: a gasket disposed between the top cover and the multi cyclone unit, and for sealing spaces among the multi cyclones and guiding air flowing in or out of the secondary cyclones.
Claim 6
Dependent Claim
34 words
The multi cyclone dust collecting apparatus according to claim 4 , wherein the gasket comprises a plurality of connecting slits radially arranged and a plurality of discharge pipes arranged in a direction of circumference.
Claim 7
Dependent Claim
28 words
The multi cyclone dust collecting apparatus according to claim 5 , wherein the discharge cover of the top cover covers at least a portion of the discharge pipe.
Claim 8
Dependent Claim
25 words
The multi cyclone dust collecting apparatus according to claim 2 , wherein an air discharge pipe is formed at one side of the third area.
Claim 9
Dependent Claim
22 words
The multi cyclone dust collecting apparatus according to claim 1 , wherein the first cyclone and the secondary cyclones are integrally formed.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2011-02-25 | 2011-08-27 | 2012-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-02-25 | 2015-08-27 | 2016-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2019-02-25 | 2019-08-27 | 2020-02-26 | $7700.00 | Window Closed / Lapsed |